Plant List G
| Gaillardia | "Burgunder" | Deep scarlet daisy flowers from Jun.-Oct. Height 60cm. well-drained soil in sun. | |
| Gaillardia | "Dazzler" | A bushy perennial with mid-green leaves. Free-flowering with bright orange-red flowers with yellow tipped petals. Height 90cm. Well-drained soil in sun. Jun.-Sep. | |
| Gaillardia | "Kobold" | Dwarf plant with yellow and red daisy flowers. Height 35cm. Well-drained soil in full sun. Jun.-Oct. | |
| Gaillardia | "Sundance Bicolor" | A short lived perennial, low growing with double flowers with fluted petals of red with a yellow-orange tip. Height 20cm. Well-drained soil in sun. Jul.-Oct. | |
| Gaillardia | "Tokajer" | A clump forming perennial with mid-green lax lanceolate leaves and large orange daisies from Jun.-Sep. on plants 75cm. high. Well-drained soil in full sun. | |
| Gaillardia | aristata | "Maxima Aurea" | A clump forming perennial with large pure yellow daisies from Jun.-Sep. on plants 75cm. high. Well-drained soil in full sun. |
| Gaillardia | ariststa | "Amber Wheels" | A clump forming perennial with larger than usual golden yellow daisies with an amber-red centre. Height 75cm. Well-drained soil in full sun. Jun.-Sept. |
| Galanthus | "Atkinsii" | A bulbous perennial with narrow leaves. Dainty, slender long white pendant flowers with a green mark inside. Height 20cm. Moist well-drained soil. Good in shade. Jan.-Mar. | |
| Galanthus | "S. Arnott" | A strong growing selection of the common snowdrop with large globular flowers. Height 15-20cm. Well-drained soil in sun or part shade. Feb.-Mar. | |
| Galanthus | elwesii | Generally early flowering with larger flowers than the common snowdrop. Wide glaucous leaves. Height 10-20cm. Grows in most soils with some shade. Dec.-Feb. | |
| Galanthus | nivalis | A bulbous perennial with grey-green narrow leaves. Dainty, small white pendant flowers with an inverted V shape green mark inside, strongly honey-scented. Height 10cm. Feb.-Mar. Most soils and aspects. | |
| Galanthus | nivalis | "Flore Plena" | A snowdrop with pretty, double white pendant flowers with tiny green marks inside. Height 10cm. Moist well-drained soil in part shade. Feb.-Mar. |
| Galanthus | nivalis | "Viridapicis" | A selected larger form of snowdrop with the outer petals tipped green. Height 10-15cm. Grows in most soils with some shade. Feb.-Mar. |
| Galanthus | plicatus | A strong growing species with broad greyish green leaves with a central fold and variable sized flowers. Height 15-25cm. Grows in most soils with a little shade. Feb.-Mar. | |
| Galanthus | woronowii | Deep green broad,glossy leaves and small white flowers. Height 10-15cm. Grows in most soils with a little shade. Feb.-Mar. | |
| Galega | "Coconut Ice" | A recent introduction. A variegated form of "Goat's Rue". The pinnate leaves are a striking white and green variegation. The scented pea-like flowers are a soft pink. Height 1m. Well-drained soil in sun or part shade. June to September. | |
| Galtonia | candicans | An erect bulbous perennial with narrow grey-green leaves. Tall stems carry wax-white bells. Height 1.2m. Moist well-drained soil in sun. Needs winter protection. Jul.-Sep. | |
| Garrya | elliptica | "James Roof" | An upright male shrub with dark, sea-green evergreen leaves. Attractive long dense clusters of silver-grey catkins in mid-winter. Height 4m. Spread 4m. Well-drained soil in sun or part shade. |
| Garrya | x issaquahensis | "Glasnevin Wine" | An evergreen shrub with bright green new leaves turning darker with age and purple stems. Long male catkins appear in late winter, an unusual green with wine-red bands. Height 3m. Well-drained soil in sun or part shade. |
| Gaultheria | "Pearls" | A dwarf spreading evergreen shrub with stems of small, tight, obovate, deep green leaves. white bell-shaped flowers are followed in the Autumn by glistening white berries. Height 15cm. Spread 25cm. Moist well-drained acid soil in sun or part shade. | |
| Gaultheria | mucronata | "Bells Seedling" | A compact bushy red stemmed evergreen shrub with shining dark green leaves. Urn-shaped white, sometimes pink-flushed flowers, followed by dark red fruit. Height 1.2m. Spread 1.2m. Moist acidic soil in part shade. May-Jun. Fruits from September Self-fertil |
| Gaultheria | myrsinoides | A creeping shrub with small glossy deep green leaves and hanging bell-shaped white flowers followed by dark purple fruits. Moist lime-free soil in part shade. May to June. | |
| Gaultheria | x wisleyensis | "Pink Pixie" | A dwarf suckering evergreen shrub with leathery mid-green leaves. Racemes of pink-tinged white urn-shaped flowers, followed by purple-red fruit. Height 30cm. Moist lime-free soil in part shade. May to June. |
| Gaura | lindheimeri | "Siskiyou Pink" | A clump forming perennial with long branching stems sparsely foliated and topped with spikes of distinct pink flowers. Height 60cm. Well-drained soil in sun. Jun.-Sept. |
| Gaura | lindheimeri | "Whirling Butterflies" | A bushy clump-forming herbaceous perennial with slender stems. Produces star-shaped white flowers fading to pink. Height 1m. Moist well-drained soil in sun. Jul.-Sept. |
| Genista | lydia | A dwarf, deciduous mound-forming shrub with slender, arching grey-green stems smothered in golden yellow flowers. Height 60cm. Spread 1m. well-drained soil in sun. May to June. . | |
| Genista | pilosa | "Goldilocks" | A vigorous selection of our native shrub with slender ascending stems with cascades of bright yellow flowers. Height 60cm. Spread 1.2m. Well-drained soil in sun. May to June. |
| Genista | pilosa | "Procumbens" | A mat-forming shrub with small ovate leaves and stems clothed in pea-like deep yellow flowers. Height 8cm. Spread up to 60cm. Well-drained soil in sun. May-Jun. |
| Gentiana | acaulis | Deep blue trumpet-shaped flowers, with green spots inside. Height 8cm. Well-drained soil in sun or shade.May-Jun. | |
| Gentiana | acaulis | "Rannoch" | A vigorous form with narrow deep green leaves and deep azure-blue trumpets with a darker throat. Height 10cm. Well-drained soil in sun or shade.May-Jun. |
| Gentiana | acaulis f. alba | Clumps of glossy green narrowly elliptic leaves and upward facing trumpets of white flowers. Height 10cm. Well-drained soil in sun or shade. May-Jun. | |
| Gentiana | alpina | Mats of lustrous deep green foliage and huge trumpets of cobalt blue flowers on short stems. Height 10cm. Well-drained soil in sun or part shade. Apr.-Jun. | |
| Gentiana | asclepiadea | A clump-forming gentian with narrow mid-green leaves. Arching stems with clusters of dark to light blue trumpet-shaped flowers. Height 60-90cm. Moist, peaty soil in part shade. Jul.-Sept. | |
| Gentiana | asclepiadea | "Knightshayes" | A clump-forming gentian with narrow mid-green leaves. Arching stems with clusters of blue flared trumpet-shaped flowers. Height 60-90cm. Moist, peaty soil in part shade. Jul.-Sept. |
| Gentiana | asclepiadea | "Rosea" | A clump-forming gentian with narrow mid-green leaves. Arching stems with clusters of pale pink trumpet-shaped flowers with a darker bar. Height 60-90cm. Moist, peaty soil in part shade. Jul.-Sept. |
| Gentiana | gelida | A pretty gentian with lax stems of mid-green leaves. Produces clusters of narrow bell-shaped, straw coloured flowers, with green flashes and darker stripes. Height 10-15cm. Moist well-drained soil in sun. Jul.-Aug. | |
| Gentiana | lutea | An erect clump-forming gentian with pleated bluish green leaves. Stout stems with clusters of yellow star-shaped flowers. Height 1.5m. Well-drained soil in sun. Jul.-Aug. | |
| Gentiana | macrophylla var fetissowii | A tufted perennial with decumbent stems and relatively large strap-like basal leaves. Terminal heads of blue flowers. Height and spread 20cm. Moist well-drained neutral to acid soil in part shade. Jul.-Aug. | |
| Gentiana | paradoxa | A clump-forming gentian with narrow grass-like leaves. Large upturned blue trumpets with a white throat. Height 15-20cm. Moist acidic soil in part shade. Jun.-Sept. | |
| Gentiana | pumila var delphinensis | Cushions of narrow lanceolate leaves and blue flowers with blunt lobes. Height 10cm. Moist well-drained site in part shade. Mar.-Apr. | |
| Gentiana | septemfida | A pretty gentian with stems of mid-green leaves. Produces clusters of narrow bell-shaped, bright blue flowers, with white throats and darker stripes. Height 10-15cm. Moist well-drained soil in sun. Jul.-Aug. | |
| Gentiana | septemfida ssp. kolakovskii | Differs from the species with its upright stems of mid-green leaves. Produces clusters of narrow bell-shaped, bright blue flowers, with white throats and darker stripes. Height 10-15cm. Moist well-drained soil in sun. Jul.-Aug. | |
| Gentiana | septemfida var. lagodechiana | A pretty gentian with prostrate stems of mid-green leaves.Produces clusters of narrow bell-shaped, bright blue flowers, with white throats and darker stripes. Height 10-15cm. Moist well-drained soil in sun. Jul.-Aug. | |
| Gentiana | straminea | Whorls of glossy green lanceolate leaves topped with clusters of tubular cream flowers. Height 30cm. Moist, well-drained soil in sun or part shade. Jul.-Aug. Will grow on limy soil. | |
| Gentiana | suenderrmannii | Stems of mid-green leaves arranged oppositely up the stem. Dumpy dark buds open to bell-shaped, royal blue flowers, with white throats and darker stripes. Height 10-15cm. Moist well-drained soil in sun or part shade. Jul.-Aug. | |
| Gentiana | verna | Evergreen mats of dark green, pointed leaves and narrow tubular, azure-blue flowers with white throats. Height 5cm. Moist well-drained soil in sun. Mar.-May. | |
| Gentiana | verna | "Alba" | Narrow tubular, pure white flowers. Height 5cm. Moist well-drained soil in sun. Apr.-May. |
| Gentiana | verna ssp. balcanica | Evergreen mats of dark green, pointed leaves and narrow tubular, azure-blue flowers with white throats. Height 5cm. Moist well-drained soil in sun. Mar.-May. Slightly larger in leaf and flower than ordinary "verna". | |
| Geranium | "Alan Mayes" | Rounded, scalloped, grey-green leaves and violet-blue flowers over a long period. Height 60cm. Moist well-drained soil in sun or part shade. May.-Sep. | |
| Geranium | "Ann Folkard" | A sprawling perennial with deeply divided yellowish green leaves. Flowers magenta-pink with a darker centre. Height 60cm. Well-drained soil in sun or part shade. Jul.-Oct. | |
| Geranium | "Blue Cloud" | A geranium with deeply divided leaves and pretty pale blue saucer-shaped flowers with deep crimson-purple veins. Height 50cm. Moist well-drained soil in sun or part shade. Jun.-Jul. | |
| Geranium | "Blue Sunrise" | A sprawling perennial with deeply divided golden leaves. Flattish blue flowers with purple veining. Height 25cm. Well-drained soil in sun or part shade. Jul.-Oct. | |
| Geranium | "Bob's Blunder" | A hardy geranium with bronze leaves and flowers of candy-pink with a white eye. Height 15-20cm. Well-drained soil in sun or part shade. Jun.-Sep. | |
| Geranium | "Brookside" | Clear blue paler-centred flowers in flushes throughout summer. Height 45cm. Fertile, moist, well-drained soil in sun or part shade. Good Autumn tints. | |
| Geranium | "Coombland White" | Khaki-tinted, marbled evergreen foliage and large heavily veined pale pink flowers. Height 45cm. Moist well-drained soil in sun. May-Sept. | |
| Geranium | "Diva" | Clump forming perennial with cyclamen-pink flowers. Height 25cm. Moist well-drained soil in sun. Jun.-Jul. | |
| Geranium | "Dragon Heart" | A new hybrid with large magenta-pink flowers on a plant of rambling habit. Height 30-50cm. Well-drained soil in sun or part shade. Jun.-Sept. | |
| Geranium | "Dusky Crug" | Mounds of velvety chocolate-grey foliage and good sized soft pink flowers over a long period. Height 15cm. Well-drained soil in sun. May-Oct. | |
| Geranium | "Expression" | A neat variety with bronzey-purple foliage and small flowers of magenta-pink with a white eye. Height 15cm. Well-drained soil in sun or part shade. May-Jul. | |
| Geranium | "Heather" | Mauve-pink flowers from May-Sep. Height 30cm. Most soils in sun or part shade. | |
| Geranium | "Johnson's Blue" | Dense mats of deeply divided leaves and pretty lavender-blue flowers, flushed with reddish pink. Height 45cm. Moist well-drained soil in sun or part shade. May-Sep. | |
| Geranium | "Jolly Bee" | An herbaceous geranium with dark green foliage lighter in the centre and large cup-shaped blue flowers with white centres and dark maroon veining. Height 60cm. Well-drained soil in sun or part shade. | |
| Geranium | "Orion" | Dense mats of deeply divided leaves and relatively large blue flowers. Height 45-60cm. Moist well-drained soil in sun or part shade. May-Sep. | |
| Geranium | "Orkney Pink" | A small geranium with creeping stems of dusky brownish green leaves and pink flowers veined white and with a white eye. Height 25cm. Moist well-drained soil in sun or part shade. May-Nov. | |
| Geranium | "Patricia" | A plant with very large handsome leaves and large reddish purple flowers with a dark, star-shaped eye. Height 30cm. Well-drained soil in sun or part shade. Jun.-Sep. | |
| Geranium | "Perfect Storm" | A new hybrid with velvety grey-green foliage, and masses of small purple-magenta flowers, heavily veined from a dark central eye. Height 20-30cm. Well-drained soil in sun or part shade. Jun.-Oct. | |
| Geranium | "Phillippe Vapelle" | An elegant perennial with blue-grey softly hairy leaves.Large bluish purple flowers with strong dark veins. Height 40cm. Well-drained soil in sun or shade. Jun.-Jul. | |
| Geranium | "Rosie Crug" | Small lavender pink flowers over brownish leaves. Height 15cm. Well-drained soil in sun or part shade. Jul.-Aug. | |
| Geranium | "Rozanne" | A hybrid with "Buxton's Var." as one parent, this forms a more robust clump with vivid blue flowers with a white eye. Height 35cm. Well-drained soil in sun or part shade. Jun.-Sept. | |
| Geranium | "Sabini Blue" | Neat scalloped mid-green leaves and good blue flowers with darker blue veining. Height 40cm. Moist well-drained soil in sun or part shade. May-Aug. | |
| Geranium | "Sandrine" | A sprawling perennial with divided yellowish green leaves. Large purple-magenta flowers with a black eye. Height 60cm. Well-drained soil in sun or part shade. Jun.-Oct. | |
| Geranium | "Silver Cloak" | A hardy perennial with finely cut greyish-green leaves and open pink flowers with purple veining. Height 45cm. Most soils in sun or part shade. Jun.-Sept. | |
| Geranium | "Sirak" | An herbaceous perennial with large pink flowers with purple veining. Height 50cm. Well-drained soil in sun or particularly shade. May to June. | |
| Geranium | "Spinners" | Dark royal blue flowers over bright lime-yellow spring foliage. Height 30-40cm. Moist well-drained soil in sun or part shade. Jun.-Sep. | |
| Geranium | "Strawberry Frost" | White-eyed pale pink, flowers over brownish leaves. Height 15cm. Well-drained soil in sun or part shade. May-Jul. | |
| Geranium | "Sue Crug" | Veined pink flowers with a darker centre, from Jun.-Sep. Height 30cm. Most soils in sun or part shade. | |
| Geranium | "Tanya Rendall" | Shiny chocolate-coloured foliage turning olive-green with lots of small bright pink flowers with a white eye. Height 15cm. Moist well-drained soil in sun or part shade. May-Dec. | |
| Geranium | "Tinpenny Mauve" | Deeply divided leaves with stems of large soft mauve-blue flowers. Height 50cm. Moist well-drained soil in sun or part shade. Jun.-Sept. | |
| Geranium | cinereum | "Alice"` | A new variety with tufts of silver-green foliage and larger than normal pale lilac-pink flowers with darker veining. Height 15-20cm. Well-drained soil in sun or part shade. May-July. |
| Geranium | cinereum | "Ballerina" | A very attractive evergreen plant with tufts of grey-green leaves and delicate cup-shaped, pink flowers darkly veined from a dark central zone. Height 15-20cm. Well-drained soil in sun or part shade. May-July. |
| Geranium | cinereum | "Carol" | Deep rose flowers with a darker eye. Height 20cm. May-Sep. Moist well-drained soil in sun or part shade. |
| Geranium | cinereum | "Lawrence Flatman" | A very attractive plant with tufts of grey-green leaves and delicate cup-shaped, purplish-pink flowers darkly veined from a dark central zone. Height 15-20cm. Well-drained soil in sun or part shade. May-Jul. |
| Geranium | cinereum | "Purple Pillow" | An unusual form of this low growing species with blue-green deeply divided foliage and purple cup-shaped flowers with a darker centre. Height 15cm. Well-drained soil in sun or part shade. Jun.-Sept. |
| Geranium | cinereum | "Rene Mace" | A very attractive evergreen plant with tufts of mid- green leaves and delicate cup-shaped, violet-red flowers with darker veins. Height 15-20cm. Well-drained soil in sun or part shade. May-July. |
| Geranium | cinereum var. subcaulescens | A very attractive plant with tufts of deep green lobed leaves and delicate cup-shaped, bright reddish-purple flowers with a very dark centre. Well-drained soil in sun or part shade.Height 15-20cm. May to July. | |
| Geranium | clarkei | "Kashmir Pink" | A spreading plant with deeply and narrowly cut leaves with pale pink flowers. Height 45cm. Moist well-drained soil in sun or part shade. May-Aug. |
| Geranium | clarkei | "Kashmir Purple" | A spreading plant with deeply and narrowly cut leaves with large violet-purple flowers. Height 35cm. Moist well-drained soil in sun or part shade. May-Aug. |
| Geranium | clarkei | "Kashmir White" | An elegant spreading plant with deeply and narrowly cut leaves with large white flowers, veined with greyish lilac-pink. Height 45cm. Well-drained soil in sun or part shade. May-Aug. |
| Geranium | dalmaticum | A pretty dwarf geranium with glossy, scented leaves with brilliant autumn tints. Delicate shell-pink flowers. Height 10-15cm. Poor, well-drained soil in sun or part shade. May-Jul.. | |
| Geranium | dalmaticum | "Album" | A pretty dwarf geranium with glossy, scented leaves with brilliant autumn tints. Delicate white flowers that turn pinkish in sun or with age.. Height 10-15cm. Poor, well-drained soil in sun or part shade. May-Jul.. |
| Geranium | dalmaticum | "Bridal Bouquet" | A pretty dwarf geranium with glossy, scented leaves with brilliant autumn tints. Pink and white flowers on the same plant. Height 10-15cm. Poor, well-drained soil in sun or part shade. May-Jul.. |
| Geranium | gymnocaulon | Velvety dark grey-green foliage and violet-blue flowers with darker veins. Height 35cm. well-drained soil in sun or part shade. Jul.-Aug. | |
| Geranium | himalayense | "Gravetye" | An herbaceous perennial that forms a neat carpet of handsome finely cut leaves with large saucer-shaped violet-blue flowers with a reddish centre. Height 30cm. Well-drained soil in sun or part shade. Apr.-Jul. |
| Geranium | himalayense | "Plenum" | A carpet of small round finely cut leaves. Double flowers of soft lilac, tinged with pinkish violet. Height 25-30cm. Well-drained soil in sun or part shade. Apr.-Jul. |
| Geranium | koreanum | From a central rootstock it produces numerous branching stems clad with deep green, marbled leaves and bearing lovely, sky-searching, large pale-eyed, rose-purple flowers. Height 45cm. Moist soil in part shade. | |
| Geranium | macrorhizum | "Czakor" | A spreading, mat-forming evergreen perennial with aromatic leaves and abundant clusters of deep magenta-pink flowers. Height 30-45cm. Well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | macrorrhizum | "Bevan's Variety" | A spreading mat-forming evergreen perennial with aromatic hairy leaves. Abundant clusters of deep magenta-pink flowers. Height 30-45cm. Well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | macrorrhizum | "Ingwersen's Variety" | A spreading mat-forming perennial with light green aromatic evergreen leaves. Abundant clusters of pretty soft pink flowers. Height 30-45cm. Well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | macrorrhizum | "Snow Sprite" | An evergreen spreading mat-forming perennial with aromatic pale green leaves. Abundant clusters of pure white flowers. Height 30cm. Well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | macrorrhizum | "Variegatum" | A spreading mat-forming perennial with aromatic, evergreen, greyish green leaves splashed with deep cream and clusters of purplish pink flowers. Height 30-45cm.Moist well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | maculatum | "Beth Chatto" | A tallish herbaceous plant with handsome divided leaves and clusters of bowl-shaped large pink flowers. Height 45cm. Moist soil in sun or part shade. Apr.-Jun. |
| Geranium | maculatum | "Elizabeth Ann" | An herbaceous plant with handsome deeply divided coffee coloured leaves and clusters of bowl-shaped pink flowers. Height 40cm. Moist soil in sun or part shade. Apr.-Jun. |
| Geranium | maculatum | "Expresso" | An herbaceous plant with handsome deeply divided dark brown foliage and clusters of bowl-shaped bright pink flowers. Height 35cm. Moist soil in sun or part shade. Apr.-Jun. |
| Geranium | maculatum f. albiflorum | A tall herbaceous plant with handsome deeply divided leaves and clusters of bowl-shaped pure white flowers. Height 70cm. Moist soil in sun or part shade. Apr.-Jun. | |
| Geranium | malviflorum | Dormant through the summer with leaves appearing in autumn and through the winter. Spring flowering with violet blue flowers with darker veins. Height 30cm. Well-drained poor soil in sun. Apr.-May. | |
| Geranium | nodosum | A spreading clump of handsome bright glossy green, divided leaves and funnel-shaped lilac-pink or pink, lightly veined flowers. Height 15-20cm. Good for dry shade. May-Sept. | |
| Geranium | nodosum | "Svelte Lilac" | A spreading clump of handsome bright glossy green, divided leaves and funnel-shaped pale lilac flowers veined purple. Height 30-40cm. Good for dry shade. May-Sept. |
| Geranium | nodosum | "Swish Purple" | A spreading clump of handsome bright glossy green, divided leaves and funnel-shaped dark purple-pink flowers. Height 30-40cm. Good for dry shade. May-Sept. |
| Geranium | oxonianum | "Southcombe Double" | A vigorous species with foliage deeply divided into broad segments. Very unusual double flowers formed from layers of narrow pink petals. Height 40cm. Moist well-drained soil in sun or part shade. Jun.-Sept. |
| Geranium | palmatum | Large rosettes with pink-flushed stems. Purplish pink flowers with a deep crimson centre. Height 1.2m. Very well-drained soil in sun. May-Aug. | |
| Geranium | palustre | A low mound of deeply cut leaves. Thin stems radiate from the centre with trumpet-shaped flowers of bright magenta pink, veined dark purple with a small white eye. Height 20cm. Moist soil in sun or part shade. Jun.-Sept. | |
| Geranium | phaeum | A tall upright spreading geranium with green marked leaves and dark pink to purple flowers. Height 80cm. Spread 40cm. Well-drained soil in sun or particularly shade. May to June. | |
| Geranium | phaeum | "Album" | A tall upright spreading geranium with soft green leaves and pure white rounded flowers. Height 80cm. Well-drained soil in part shade. May to June. |
| Geranium | phaeum | "Calligrapher" | An upright spreading geranium with deep green leaves and a dark blotch with pale lilac flowers, a purple edge and a white centre. Height 35cm. Well-drained soil in sun or particularly shade. May to June. |
| Geranium | phaeum | "George Stone" | An upright spreading geranium with deep green leaves suffused with deep wine-red in the centre, and wine-red flowers. Height 35cm. Well-drained soil in sun or particularly shade. May to June. |
| Geranium | phaeum | "Langthorn's Blue" | An upright spreading geranium with green marked leaves and dusky purple-blue flowers. Height 35cm. Well-drained soil in sun or particularly shade. May to June. |
| Geranium | phaeum | "Samobor" | Clump forming perennial with attractive leaves heavily zoned with chocolate brown, flowers red-brown. Height 80cm. May-Jun. Sun or shade in well-drained soil. |
| Geranium | platypetalum | Loose clumps of olive-green leaves with stems of saucer-shaped blue flowers. Height 40cm. Moist well-drained soil in sun or part shade. Jun.-Jul. | |
| Geranium | pratense | "Black Beauty" | Dark purple dissected leaves from late winter. Upright stems carry lavender-blue flowers. Height 50cm. Moist well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | pratense | "Janet's Special" | An herbaceous geranium with deeply divided leaves and white flowers irregularly streaked and shaded pale pink. Height 75cm. Moist well-drained soil in sun or part shade. Jul.-Aug. |
| Geranium | pratense | "Mrs. Kendall Clark" | A geranium with deeply divided leaves and pretty grey-blue saucer-shaped flowers with delicate white veins. Height 60-90cm. Moist well-drained soil in sun or part shade. June to July. |
| Geranium | pratense | "Pale Pink Form" | A geranium with deeply divided leaves and erect stems carrying pretty pale pink flowers. Height 60-90cm. Moist well-drained soil in sun or part shade. June to July. |
| Geranium | pratense | "Plenum Album" | An attractive geranium with deeply divided leaves and pretty double white flowers Height 75cm. Moist well-drained soil in sun or part shade. May-Jun. |
| Geranium | pratense | "Plenum Violaceum" | A geranium with deeply divided leaves and pretty double rich violet flowers, with darker centres. Height 60-90cm. Moist well-drained soil in sun or part shade. June to July. |
| Geranium | pratense | "Purple Haze" | A seed raised strain with variable leaf shape and colour and variable flower colour. Height 25-35cm. Moist well-drained soil in sun or part shade. Jun.-Sept. |
| Geranium | pratense | "Purple Heron" | Deep burgundy dissected leaves from late winter. Upright stems carry deep violet-blue flowers. Height 20-40cm. Moist well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | pratense | "Splish-Splash" | An attractive geranium with deeply divided leaves and pretty white flowers irregularly splashed or streaked with clear violet-blue. Height 40cm. Moist well-drained soil in sun or part shade. Jun.-Jul. |
| Geranium | pratense | "Summer Skies" | An attractive geranium with deeply divided leaves and pretty Double pale blue veined flowers with a yellow eye. Height 75cm. Moist well-drained soil in sun or part shade. May-Jun. |
| Geranium | pratense | "Victor Reiter Jnr" | An upright growing geranium with red-green leaves that are deep red to black-red when young and violet flowers. Height 75cm. Moist well-drained soil in sun or part shade. Jun.-Aug. |
| Geranium | pratense f. albiflorum | An attractive herbaceous geranium with deeply divided leaves and pretty clear white flowers. Height 60-90cm. Moist well-drained soil in sun or part shade. June to July. | |
| Geranium | psilostemon | A splendid geranium with large deeply cut leaves, turning red in autumn. Bowl-shaped magenta-pink flowers with a black centre and black veins. Height 1.2m. Moist well-drained soil in sun or part shade. Jun.-Jul. | |
| Geranium | pulchrum | An evergreen geranium with large velvety grey-green deeply cut leaves silvery beneath and bowl-shaped mauve-pink to deep pink flowers. Height 40cm. Well-drained soil in sun or part shade. Jul.-Sep. | |
| Geranium | pyrenaicum | An evergreen geranium with rounded aromatic leaves and small purplish pink flowers. Self-seeds freely. Height 30cm. Well-drained soil in sun or part shade. May-Sept. | |
| Geranium | pyrenaicum f. albiflorum | An evergreen geranium with rounded aromatic leaves. Large starry white flowers. Self-seeds freely. Height 30cm. Well-drained soil in sun or part shade. May-Sep. | |
| Geranium | regelii | Mounds of good dissected foliage that turns red and orange in autumn, bearing upright stems of largish bright blue flowers with light pink veining. Height 15-30cm. Moist well-drained soil in sun. Jun.-Jul. | |
| Geranium | renardii | "Zetterlund" | Useful as a foliage plant with velvety, evergreen sage green, wrinkled leaves. This form has lilac flowers with prominent purple veins. Height 30cm. Well-drained soil in sun. Jun.-Aug. |
| Geranium | reuteri | A large evergreen species with olive-green scented leaves and upright to arching stems carrying clusters of dark pink flowers with a lighter centre. Height 60cm. moist well-drained soil in sun. Apr.-Sept. | |
| Geranium | sanguineum | A low mat-forming herbaceous geranium with finely cut foliage and purple-magenta, saucer-shaped flowers with a small white eye. Height 20-30cm. Moist soil in sun or part shade. Jun.-Sept. | |
| Geranium | sanguineum | "Alan Bloom" | A mat-forming geranium with finely cut foliage with, magenta-pink, saucer-shaped flowers. Height 20cm. Moist soil in sun or part shade. Jun.-Sep. |
| Geranium | sanguineum | "Album" | A mat-forming geranium with finely cut foliage with pure white, saucer-shaped flowers. Height 30cm. Moist soil in sun or part shade. Jun.-Sep. |
| Geranium | sanguineum | "Glenluce" | A low mat-forming geranium with finely cut foliage with large, rose-pink, saucer-shaped flowers. Height 20-30cm. Moist soil in sun or shade. Jun.-Sep. |
| Geranium | sanguineum | "John Elsley" | A low mat-forming geranium with finely cut foliage with bright pink, saucer-shaped flowers with darker veining. Height 20cm. Moist soil in sun or shade. Jun.-Sep. |
| Geranium | sanguineum | "Max Frei" | A mat-forming geranium with finely cut foliage with large, deep magenta-pink, saucer-shaped flowers Good autumn colour. Height 20cm. Moist soil in sun or part shade. Jun.-Sep. |
| Geranium | sanguineum | "Nyewood" | A low growing perennial, with small dark deeply lobed leaves and large flowers of purplish-pink. Height 20cm. Well-drained soil in sun. May-Oct. |
| Geranium | sanguineum | "Shepherds Warning" | A low mat-forming herbaceous geranium with finely cut foliage and deep purplish pink, saucer-shaped flowers. Moist soil in sun or part shade. Height 20cm. |
| Geranium | sanguineum var. striatum | A low mat-forming geranium with finely cut foliage with pale pink, saucer-shaped flowers with darker pink veins. Height 20cm. Moist soil in sun or part shade. Jun.-Sep. | |
| Geranium | sessiliflorum ssp. novae-zealandiae | "Porter's Pass" | Mats of small, shiny reddish brown leaves and small white flowers on short stems. Height 10cm. Well-drained soil in sun. |
| Geranium | shikokianum | Compact clumps of light green slightly marbled leaves with white-centred lilac flowers with darker veins. Height 30cm. Moist well-drained soil in sun or part shade. Jun.-Sept. | |
| Geranium | sinense | A late flowering elegant geranium forming a mound of dark, faintly marbled, deeply divided leaves. Pretty dark maroon, almost black, flowers with reflexed petals, coral-pink at the base. Height 60cm. Moist soil in part shade. Aug.-Oct. | |
| Geranium | sylvaticum | "Amy Doncaster" | Bright blue flowers with white eyes on strong branching stems. Height 45cm. Fertile, moist, well-drained soil in part shade. May-Jun. |
| Geranium | sylvaticum | "Mayflower" | An erect geranium with deeply cut leaves. Saucer-shaped rich violet-blue flowers. Height 70cm. Moist well-drained soil in sun. May-Jun. |
| Geranium | thunbergii | "Jester's Jacket" | Forms tufts of red-backed golden leaves in spring that spread to form leaves with dappled pink and white variegation. Pink flowers. Height 25-35cm. Moist well-drained soil in sun. May-Sept. |
| Geranium | traversii var. elegans | A mound of grey rounded leaves with saucer-shaped shell pink flowers. Height 15-20cm. Sheltered well-drained site in sun. Jun.-Aug. | |
| Geranium | wallichianum | "Buxton's Blue" | A sprawling geranium with marbled leaves and large violet-blue flowers with a white centre enhanced by the black stamens. Height 25cm. Spread 80cm. Moist well-drained soil in sun or part shade. Jul.-Sept. |
| Geranium | wlassovianum | A dense mound of velvety green leaves emerging pinkish bronze in spring and turning red in autumn. Dark purple flowers with a small white eye and dark veining. Height 40cm. Jun.-Sep. | |
| Geranium | x cantabrigiense | "Westray" | Forms a carpet of dense semi-evergreen glossy green leaves with orange tints in autumn. Mid-pink flowers held erect last for a long period. Height 30cm. Moist soil in sun or part shade. May-Jul. |
| Geranium | x magnificum | A mound of rounded, hairy, divided leaves and rich saucer-shaped, violet flowers with dark veins. Height 50-70cm. Moist well-drained soil in sun or part shade. May.-Jun. | |
| Geranium | x magnificum | A handsome mound of rounded, hairy, divided leaves. Rich saucer-shaped, violet-blue flowers with dark veins. Height 50-70cm. Moist well-drained soil in sun or part shade. May-Jun. | |
| Geranium | x magnificum | "Blue Blood" | A mound of divided leaves and rich saucer-shaped, deep blue flowers with central red markings. Height 25cm. Moist well-drained soil in sun or part shade. May.-Sep. |
| Geranium | x magnificum | "Rosemoor" | A mound of rounded, hairy, divided leaves. Saucer-shaped,blue flowers with dark veins. Height 50cm. Moist well-drained soil in sun or part shade. May-Jul. |
| Geranium | x oxonianum | A vigorous sprawling evergreen geranium with light greyish green leaves and largish pink flowers with maroon veining. Height 40cm. Moist well-drained soil in sun or part shade. May-Sept. | |
| Geranium | x oxonianum | "Bressingham Delight" | Mounds of low spreading deeply lobed, dark green foliage and soft pink flowers. Height 40cm. Moist well-drained soil in sun or part shade. May-Sep. |
| Geranium | x oxonianum | "Katherine Adele" | Clumps of heavily blotched foliage and pale pink veined flowers. Height 45cm. Well-drained soil in sun. Jun.-Sept. |
| Geranium | x oxonianum | "Spring Fling" | Leaves variegated cream, yellow, green flushed pink in spring. Fades during summer. Height 35cm. Pink flowers May-Oct. Sun in well-drained soil. |
| Geranium | x oxonianum | "Walter's Gift" | Leaves are heavily marked with brown in spring, toning down as the season progresses with pale pink flowers with deeper veins. Height 40cm. Moist well-drained flowers in sun or shade. May-Sept. |
| Geranium | x oxonianum f. thurstonianum | An evergreen geranium with divided dark green leaves and flowers with narrow petals of deep reddish purple. Height 40cm. Moist well-drained soil in sun or part shade. May-Sept. | |
| Geranium | x riversleaianum | "Jean Armour" | Silvery-green palmate leaves on a spreading plant with pale silvery-pink, rounded flowers. Height 30cm. Well-drained soil in sun. May-Oct. |
| Geranium | x riversleaianum | "Mavis Simpson" | Silvery scalloped greyish leaves on a spreading plant with sugar-pink flowers. Height 35cm. Well-drained soil in sun. May-Oct. |
| Geranium | x riversleaianum | "Russell Pritchard" | Carmine red flowers on a creeping plant. Height 30cm. Well-drained soil in sun. May-Oct. |
| Geranium | yoshinoi | A low growing vigorous perennial with attractive lobed leaves tinged red and pretty pink flowers with darker veins. Height 20cm. Moist well-drained soil in sun or part shade. May-Jul. | |
| Geum | "Birkhead's Creamy Lemon" | A clump-forming perennial with bright green leaves and branched stems of saucer-shaped creamy lemon flowers. Height 30cm. Well-drained soil in sun. May to July. | |
| Geum | "Blazing Sunset" | Sprays of large semi-double vermillion flowers from May-Jul. Height 40cm. Moist well-drained soil in full sun. | |
| Geum | "Borisii" | Evergreen clumps of leaves with intense orange flowers on stems 30cm. high. Full sun in fertile well-drained soil. May-Sep. | |
| Geum | "Coppertone" | A clump-forming perennial with soft green leaves and pendent, open bell-shaped, coppery-apricot flowers with wavy edges. Height 30cm. Well-drained soil in sun. May-Jul. | |
| Geum | "Georgenburg" | A clump-forming perennial with bright green leaves and branched stems of saucer-shaped orange-yellow flowers. Height 25cm. Well-drained soil in sun. May to July. | |
| Geum | "Herterton Primrose" | A clump-forming perennial with unusual shiny, crinkled green leaves and open bell-shaped, primrose-yellow flowers. Height 30cm. Well-drained soil in sun. May-Jul. | |
| Geum | "Karlskaar" | A compact clump-forming perennial with bright green leaves and branched stems of apricot-yellow flowers. Height 25-30cm. Well-drained soil in sun. May to July. | |
| Geum | "Lady Stratheden" | A clump-forming perennial with hairy leaves and upright stems of semi-double, rich yellow flowers. Height 40-60cm. Well-drained soil in sun. Jun.-Aug. | |
| Geum | "Lemon Drops" | A clump-forming perennial with soft green leaves and nodding, open bell-shaped, pale yellow flowers. Height 30cm. Well-drained soil in sun. May-Jul. | |
| Geum | "Lionel Cox" | A clump-forming perennial with soft green leaves and pendent, open bell-shaped, creamy apricot flowers. Height 30cm. Well-drained soil in sun. May-Jul. | |
| Geum | "Mrs. J. Bradshaw" | A clump-forming perennial with hairy leaves and upright stems of semi-double, scarlet flowers. Height 40-60cm. Well-drained soil in sun. Jun.-Aug. | |
| Geum | "Mrs. W. Moore" | A clump-forming perennial with bright green leaves and branched stems of saucer-shaped pink flushed cream flowers. Height 30cm. Well-drained soil in sun. May to July. | |
| Geum | "Nordek" | A clump-forming perennial with bright green leaves and branched stems of open cup-shaped reddish orange flowers. Height 30-40cm. Well-drained soil in sun. May to July. | |
| Geum | "Prinses Juliana" | A clump-forming perennial with hairy leaves and upright stems of orange double flowers. Height 40-60cm. Well-drained soil in sun. May-Aug. | |
| Geum | "Red Dragon" | A clump-forming perennial with hairy green leaves and double scarlet-red flowers. Height 50cm. Well-drained soil in sun. May-Jul. | |
| Geum | "Rijnstroom" | A clump forming perennial with large rough-textured leaves and wiry stems carrying large semi-double copper-orange buttercup-like flowers. Height 50cm. Well-drained soil in sun. May-Sept. | |
| Geum | "Werner Arends" | Rich orange flowers during Jun., Jul. Height 35cm. Moist well-drained soil in full sun. | |
| Geum | coccineum | "Cooky" | A clump-forming perennial with bright green leaves and branched stems of saucer-shaped deep orange flowers. Height 20-30cm. Well-drained soil in sun. May to July. |
| Geum | montanum | Yellow buttercup flowers over evergreen rosettes, May-Jul. Height 10cm. Well-drained soil in sun. | |
| Geum | rivale | "Leonard's Variety" | A clump-forming perennial with soft green leaves and pretty pendent, copper-pink, orange tinged flowers. Height 45cm. Moist well-drained soil in sun. Jul.-Aug. |
| Geum | rivale | hybrid | A clump-forming perennial with soft green leaves and pretty apricot-yellow outward-facing flowers. Height 30cm. Moist well-drained soil in sun. May-Jul. |
| Ginkgo | biloba | A beautiful deciduous tree with fan-shaped green to yellow-green leaves. Clusters of male catkin-like flowers and round female flowers produce plum-like yellow-green fruit. Height 30m. Spread 8m.Well-drained soil in sun. June-Aug. | |
| Gladiolus | callianthus | Sword shaped leaves and spikes carrying highly scented, nodding white flowers with a maroon base. Height 70cm. Well-drained soil in sun. Aug.-Sep. Lift plants before winter. Start off in pots in spring. | |
| Gladiolus | papilio | A perennial corm with upright sword-shaped leaves and arching stems of hooded bell-shaped flowers, yellowish green, suffused purple. Height 60-90cm. Well-drained soil in sun. Jul.-Sep. | |
| Gladiolus | primulinus | "Andre Viette" | A perennial corm with upright sword-shaped leaves and arching stems of relatively large red flowers with a white edge. Height 70cm. Well-drained soil in sun. Jul.-Aug. |
| Glaucidium | palmatum | A herbaceous plant with large, deeply lobed leaves, bearing glorious saucer-shaped flowers up to 10cm. across, a delicate lilac-mauve in colour with a boss of prominent violet stamens. Height 20-30cm. Moist soil in part shade. Apr.-May. | |
| Glaucium | flavum | An evergreen perennial forming rosettes of slightly hairy blue-green leaves. Pretty poppy-like bright golden yellow to orange flowers produced freely. A short-lived perennial, but easy from seed. Height 30-90cm. Well-drained soil in sun. Jun.-Aug. | |
| Gleditsia | triacanthos | "Ruby Lace" | A spreading spiny tree with handsome fern-like glossy bronze-red leaves in spring, later turning bronze-green. Inconspicuous small greenish white flowers later produce long twisted seed pods. Eventual height 20m. Spread 10m. Well-drained soil in sun. Flo |
| Gleditsia | triacanthos | "Sunburst" | A deciduous tree with handsome fern-like golden yellow leaves in spring, maturing to pale green. and yellowing in autumn. Height 30m. Spread 20m. Well-drained soil in sun. |
| Globularia | cordifolia | An evergreen mat-forming alpine with stemless rounded lavender-blue flowers. Height 5cm. Gritty soil in sun. Jun.-Aug. | |
| Globularia | meridionalis | An evergreen dome-shaped, subshrub with glossy dark green leaves and rounded lavender-purple flowers just above the foliage. Height 10cm. Well-drained soil in sun. Jun.-Aug. | |
| Globularia | repens | Creeping sub-shrub with rounded heads of lavender-blue flowers. Height 10cm. Jun.-Jul. Sunny spot in well-drained soil. | |
| Gomphostigma | virgatum | An evergreen upright shrub with thin grey-leafed foliage and spikes of bright white flowers. Height 1.5-2m. Spread 1-1.5m. moist well-drained soil in sun. Flowers from June to October. Can be hard pruned in spring. | |
| Grindelia | chiloensis | A bushy evergreen subshrub with greyish green leaves and pretty daisy-like bright yellow flowerheads from sticky white buds.. Height 1m. Well-drained sheltered site in sun. Jun.-Aug. | |
| Gunnera | manicata | An architectural plant with massive deeply lobed bristly green leaves on strong prickly tall leaf stems. Greenish red tiny flowers on a conical flower spike, followed by red-green fruit. Height 2.5m. Moist soil in sun or part shade. Jun.-Jul. | |
| Gymnocarpium | dryopteris | "Plumosum" | "Plumose Oak Fern". An elegant, deciduous triple headed fern with fronds divided into three overlapping delicate triangles. Height 20cm. Moist soil in shade. |
| Gypsophila | aretioides | "Caucasica" | Solid domes of tiny leaves. Occasionally tiny white flowers. Height 5cm. Gritty soil in Alpine House. |
| Gypsophila | cerastioides | A small mat with tufts of grey hairy green leaves. Clusters of pretty trumpet-shaped white flowers veined and slightly tinted pink. Height 5cm. Well-drained soil in sun. May-Aug. | |
| Gypsophila | paniculata | "Compacta Plena" | A mound-forming herbaceous perennial with narrow glaucous green leaves and clouds of double soft pink to white flowers. Height 20-30cm. Well-drained soil in sun. Jul.-Aug. |
| Gypsophila | repens | "Alba" | A mat-forming alpine with narrow bluish green leaves. Loose panicles of star-shaped pure white flowers all summer. Height 20cm. Well-drained soil in sun. |
| Gypsophila | repens | "Dubia" | A semi-evergreen, mat-forming alpine with narrow dark purple-green leaves and white flowers flushed pink. Height 3cm. Well-drained gritty soil in sun. Jun.-Aug. |
| Gypsophila | repens | "Dubia" | A mat-forming alpine with narrow grey-green leaves, and pink flowers. Height 3cm.Well-drained soil in sun. Jun.-Aug. |
| Gypsophila | repens | "Fratensis" | Semi-evergreen mats of grey-green leaves and sprays of pale pink flowers. Height 10cm. Well-drained gritty soil in sun. |
| Gypsophilia | repens | "Jolien" | A new variety of this mat-forming perennial with narrow bluish green leaves with white variegation.. Loose panicles of star-shaped white flowers. Height 20cm. June to August. |