Plant List M
| Maackia | amurensis | A small slow growing tree with pinnate leaves and white flowers, tinged palest slate-blue in erect racemes. Height 5-6m. Well-drained soil in full sun. July- August. | |
| Machaeranthera | bigelovii | Narrow grey-green leaves topped with heads of daisy flowers from pink to violet and purple. Height 35cm. Moist well-drained soil in sun. Aug.-Sep. | |
| Macleaya | microcarpa | "Kelway's Coral Plume" | A tall perennial with grey to olive green lobed leaves, white downy beneath. Large plume-like, deep buff to coral-pink flowers. Height 2.2m. Moist well-drained soil in sun. Jun.-Jul. |
| Magnolia | "Butterflies" | An upright growing small tree with obovate leaves, new growth tinged maroon. Bears conical buds opening to primrose yellow flowers before the leaves. Height 3-4m. Spread 2-2.5m. Moist well-drained soil in sun or part shade. Flowers from March to April. | |
| Magnolia | "Susan" | An upright shrub with mid-green leaves, narrow goblet-shaped purple-red flowers outside and paler inside produced from dark purple-red buds. Height 4m. Spread 3m. Moist well-drained soil in sun or part shade. April to May. Needs acid conditions. | |
| Magnolia | cylindrica | A deciduous tree with dark green elliptical leaves and grey to buff bark. Flowers, creamy-white, tinged pink at the base and fragrant appear before the leaves. Height 9m. Spread 7m. moist well-drained sheltered site in acid soil. April-May. | |
| Magnolia | grandiflora | "Exmouth" | A broadly conical evergreen tree with glossy light green leaves and large showy cup-shaped creamy white flowers. Height 6-18m. Spread 15m. Moist well-drained acidic soil in sun or part shade.. Flowers from August to September. |
| Magnolia | salicifolia | "Willow-leaved magnolia" Conical, deciduous tree up to 30ft. with fragrant white flowers produced in the Spring before the leaves. Needs a fertile humus-rich but well-drained soil in full sun or partial shade. does not like thin chalky soils. | |
| Magnolia | stellata | A compact bushy tree with mid-green leaves and star-shaped, pure white flowers. Height 3m. Spread 4m. Moist well-drained soil in sun or part shade. March to April. Not shallow chalky soils. | |
| Magnolia | stellata | "Waterlily" | A compact, deciduous, bushy tree with mid-green leaves and large star-shaped, pure white flowers with many petals produced from early to mid-spring. Height 3m. Spread 4m. Moist well-drained soil in sun or part shade. Flowers from March to April. Dislikes |
| Magnolia | virginiana | A semi-evergreen large shrub or small tree with glossy green leaves, blue-white underneath. Small, fragrant, globular creamy-white flowers. Height 5m. Spread 4m. Moist well-drained soil in sun or part shade. June to September. | |
| Magnolia | wilsonii | A large, wide-spreading shrub with narrow, elliptic leaves and pendulous, saucer-shaped, fragrant white flowers with crimson stamens. Height and spread up to 6m. Moist well-drained soil in sun or part shade. Flowers from May to June. | |
| Magnolia | x kewensis | "Wada's Memory" | A broadly conical deciduous tree with dark green leaves, bronze when young and cup-shaped, white flowers. Height 9m. Spread 7m. Moist well-drained acidic soil in sun or part shade. Flowers from April to May. Deciduous. |
| Magnolia | x loebneri | "Leonard Messel" | A rounded tree with mid-green leaves and star-shaped, very pale lilac-pink flowers before the leaves. Height 8m. Spread 6m. Moist well-drained acidic soil in sun or part shade. Flowers from April to May. |
| Magnolia | x loebneri | "Pirouette" | A rounded tree with broad mid-green leaves, bronze when young and star-shaped, fully double white flowers before the leaves. Height 6m. Spread 5m. Moist well-drained acidic soil in sun or part shade. Flowers from March to April. |
| Magnolia | x soulangeana | A rounded deciduous tree with dark green leaves and large goblet-shaped flowers in varying shades of dark purple-pink through to white before the leaves. Height 6m. Spread 6m. Moist well-drained acidic soil in sun or part shade. Flowers from April to May. | |
| Magnolia | x soulangeana | "Picture" | A rounded deciduous tree with dark green leaves and large goblet-shaped flowers wine-red on the outside, white within. Height 6m. Spread 6m. Moist well-drained soil in sun or part shade.. Flowers from April to May. Dislikes chalky soils. |
| Mahoberberis | aquisargentii | A dense evergreen shrub with spiny, shiny green leaves. Clusters of soft yellow flowers followed by black berries. Height 1-2m. Spread 1m. Moist well-drained soil in sun or part shade. Flowers from April to May. | |
| Mahonia | aquifolium | An open suckering evergreen shrub with bright green spiny toothed leaves often turning purple-red in winter. Clusters of yellow flowers followed by blue-black berries. Height 1m. Spread 1.5m. Moist well-drained soil in sun or part shade. April to May. | |
| Mahonia | aquifolium | "Apollo" | A compact, dwarf shrub with shiny, bronze-green leaves and clusters of bright yellow flowers followed by blue-black berries. Height 60cm. Spread 60cm. Moist well-drained soil in sun or part shade. Flowers from April to May. |
| Mahonia | japonica | "Bealii" | An erect shrub with blue-green leaves, sharply toothed. Fragrant pale yellow flowers followed by purple-blue berries. Height 2m. Spread 3m. Moist well-drained soil in sun or moist shade. November to March. |
| Mahonia | x media | "Buckland" | An erect evergreen shrub with dark green leaves, sharply toothed and bright lemon yellow fragrant flowers. Height 5m. Spread 4m. Moist well-drained soil in sun or part shade. flowers from November to February. |
| Mahonia | x media | "Charity" | An erect evergreen shrub with dark green leaves, sharply toothed. Bright yellow fragrant flowers in dense clusters. Height 5m. Moist well-drained soil in sun or part shade. Flowers from November to February. |
| Mahonia | x media | "Lionel Fortescue" | An erect, evergreen shrub with dark green leaves, sharply toothed. Bright yellow fragrant flowers in dense upright clusters. Height 5m. Moist well-drained soil in sun or part shade. Nov.-Feb. |
| Mahonia | x media | "Winter Sun" | An erect evergreen shrub with dark green leaves, sharply toothed bright yellow fragrant flowers in dense arching clusters. Height 5m. Best in semi-shade in well-drained soil. Nov.-Feb. |
| Mahonia | x wagneri | "Undulata" | An evergreen shrub with shiny, wavy leaves, coppery-bronze when young. Bright yellow fragrant flowers. Moist well-drained soil in sun or part shade. Feb.-Apr. |
| Malus | "John Downie" | The best fruiting crab apple tree with white flowers opening from pale pink buds in late spring followed by attractive orange and red fruits from August onwards. Height after 10 years 5m. Eventual height and spread 10m.x 6m. Moist well-drained soil in sun | |
| Malus | "Profusion" | A small broad-headed deciduous tree with young leaves a coppery crimson. Slightly fragrant wine-red flowers followed by small oxblood red fruit.Eventual height 5m. Spread 4m. Moist well-drained soil in sun or part shade. Flowers from April to May. | |
| Malus | "Royal Beauty" | A small weeping tree with with slender, pendulous reddish stems of bronze-purple leaves. Purplish-red flowers are followed in autumn by dark red fruits. Height and spread 2.5m. Moist well-drained soil in sun or part shade. Flowers during May. | |
| Malus | "Royalty" | A small upright tree with decorative glossy dark purple leaves that turn red in autumn. Large purple-crimson flowers are followed by dark red fruits. Height 4m. Spread 3m. Moist well-drained soil in sun or part shade. Flowers from April to May. | |
| Malus | "Rudolph" | Upright habit. Leaves bronzey red when young, turn bronzey green later. Rosy-red single flowers. Orange-yellow fruit. Grows in most soils. | |
| Malus | "Snow Cloud" | A small tree of upright habit with bronze-green young leaves becoming dark green. Pale pink buds open to semi-double large white flowers followed by yellow fruit. Height 5m. Spread 2.5m. Moist well-drained soil in sun or part shade. Flowers from April to | |
| Malus | "Sun Rival" | A small weeping deciduous tree with young foliage a bright green. White flowers flushed pink are followed by small long lasting red fruits. Height and spread 3m. Moist well-drained soil in sun or part shade. Flowers from April to May. | |
| Malus | "Van Eseltine" | An upright tree with glossy, mid-green leaves. Pretty double shell-pink flowers are followed by red-flushed yellow fruits. Height 6m. Spread 2m. Moist well-drained soil in sun or part shade.. Flowers from May to June. | |
| Malus | florentina | An attractive small round-headed tree with hawthorn-like foliage, white tomentose beneath, turning orange and scarlet in Autumn.. White flowers produced in Spring followed by small red fruits in Autumn. Height 8m. Spread 5m. Moist well-drained soil in sun | |
| Malus | sargentii | A shrubby species with three-lobed leaves and masses of pure white flowers with golden anthers in spring followed by small bright-red cherry-like fruits in autumn. Height 3m. Moist well-drained soil in sun. | |
| Malus | tschonoskii | An erect tree with glossy mid-green leaves turning brilliant orange, red and purple in autumn. Pretty, pink-flushed white flowers in late spring followed by red-flushed yellow-green fruits. Height after 10 years 7m. Eventual height and spread 15m.x 6m. Mo | |
| Malus | x adstringens | "Simcoe" | "Crab Apple". A small tree with copper tinted young growth. The flowers are comparatively large and a light purplish-pink colour. The fruits are a purplish-red. Height after 10yrs. 4m. Flowers from April to May. Moist well-drained soil in sun. |
| Malus | x zumi | "Golden Hornet" | A rounded deciduous tree with bright green leaves. Pretty white flowers open from pink buds followed by long-lasting golden yellow fruits. Height 5m. Spread 4m. Moist well-drained soil in sun. Flowers from April to May. |
| Malva | moschata | An erect perennial with slightly musk-scented leaves and saucer-shaped light pink flowers. Height 90cm. Well-drained soil in full sun. Jun.-Sep. | |
| Malva | moschata | "Alba" | An erect perennial with slightly musk-scented leaves and saucer-shaped white flowers. Height 90cm. Well-drained soil in full sun. Jun.-Sep. |
| Malva | sylvestris ssp mauritanica | "Bibor Fehlo" | An erect woody-based short-lived perennial with open funnel-shaped velvety purple flowers. Height 1.2m. Well-drained soil in sun. May-Oct. Seeds easily. |
| Matteuccia | orientalis | Evergreen fertile fronds in the centre surrounded by long, deciduous sterile fronds. Height 65cm. Moist soil in dappled shade. | |
| Matteucia | struthiopteris | Shuttlecock Fern. A beautiful fern with bright pale green fronds which unfurl in spring to form tight 'shuttlecocks'. Height 1.6m. Deciduous. Moist soil in part shade. | |
| Mazus | reptans | A semi-evergreen mat-forming alpine with toothed leaves and pretty purple-blue flowers with yellow and red spots. Height 5cm. Moist well-drained sheltered site in sun. May.-Aug. | |
| Meconopsis | "Lingholm" | A hybrid fertile form with hairy basal rosettes and stems carrying rich blue poppy flowers. Height 1m. Moist humus-rich well-drained acid soil in part shade. May-Jun. | |
| Meconopsis | betonicifolia | Rosettes of light bluish green hairy leaves and saucer-shaped bright blue flowers with yellow stamens in early summer. Height 1.2m. Moist soil in part shade. Jun.-Jul. | |
| Meconopsis | cambrica | Welsh Poppy. A British native perennial with pale green leaves. Pretty cup-shaped lemon-yellow to orange flowers. Height 25-45cm. Sun or part shade. Apr.-Oct. | |
| Meconopsis | grandis | Rosettes of dark green hairy leaves. Beautiful cup-shaped rich blue flowers, some with a purple tinge. Height 1.2m. Moist lime-free soil in part shade. Jun.- Jul.. | |
| Meconopsis | napaulensis | Grown from seed, hence flower colour uncertain. An evergreen basal rosette from which arise stems with many hopefully carmine-red poppy flowers. Height up to 2m. Moist, acidic soil in part shade. Monocarpic. | |
| Meconopsis | paniculata | Rosettes of evergreen yellow-green, red bristly leaves and cup-shaped yellow flowers.Height 60-90cm. Moist soil in part shade. Freely hybridises. May-Jul. Monocarpic. | |
| Meconopsis | x sheldonii | A hybrid between M. betonicifolia and grandis producing perennial plants with flowers from blue to rich blue-purple. Height 1m. Moist soil in part shade. | |
| Melica | altissima | "Atropurpurea" | A tufted grass with narrow pale to mid-green leaves and lustrous, deep purple spikelets paling with age. Height 60-120cm. Moist well-drained soil in sun or part shade. Jun.-Aug. Protect from winter wet. |
| Melica | ciliata | Tufts of rigid grey-green leaves and narrow, fluffy, whitish flower plumes. Height 20cm. Well-drained soil in sun. Jun.-Jul. | |
| Melissa | officinalis | "Variegata" | A bushy upright perennial with wrinkled, light green leaves variably edged with yellow and spikes of yellow flowers. Height 30cm. Well-drained soil in sun. Jun.-Aug. |
| Melittis | melisophyllum | A bushy herbaceous perennial with nettle-like leaves and creamy pink flowers with a darker pink lip. Height 35cm. Well-drained soil in sun or part shade. May-Jul. | |
| Mentha | requienii | A mat-forming semi-evergreen perennial with peppermint-scented bright green leaves. Tiny clusters of lilac flowers in summer. Height 1cm. Spread Indefinite. Ideally moist soil in part shade. Jun.-Aug. | |
| Mertensia | primuloides | A lovely dwarf species from the Himalayas. Clumps of rounded lanceolate leaves and short spikes of hanging blue forget-me-not flowers. Height 15cm. Moist soil in part shade. Apr.-May. | |
| Mertensia | simplicissima | A prostrate perennial with leafy stems of bluish green leaves and clusters of tubular, turquoise-blue flowers on spreading stems. Height 10cm. Spread 40cm. Moist well-drained soil in part shade. May-Sept. | |
| Mertensia | virginica | An upright perennial with bluish green leaves and clusters of long-tubed violet-blue or white flowers. Height 45cm. moist soil in part shade. Apr.-May. | |
| Mertensia | viridis ssp. cana | A compact alpine with small lanceolate grey-green leaves and short stems carrying hanging clusters of sapphire trumpets. Height 20cm. Moist well-drained soil in part shade. Apr.-May | |
| Metasequioa | glyptostroboides | "Gold Rush" | A neat narrow deciduous conical tree with shaggy cinnamon-brown bark and bright yellow, feathery leaves. Produces brown round cones. Height 20m. Spread 5m. Moist well-drained soil in sun. |
| Micromeria | thymifolia | White flowers on stems of small aromatic leaves. Height 20cm. Well-drained soil in sun. Jul.-Sep. | |
| Milium | effusum | "Yaffle" | Wood Millet. Flat green leaves with a light gold striped midrib. Yellowish airy flower stems. Height 50cm. Moist well-drained soil in part shade. May-July |
| Mimulus | "Highland Red" | A semi-evergreen alpine with hairy pale green leaves and pretty trumpet-shaped red flowers. Height 20cm. Moist soil in sun or part shade. Jun.- Aug. | |
| Mimulus | cupreus | Whitecroft Scarlet" | A semi-evergreen plant with mid-green leaves and pretty trumpet-shaped deep scarlet flowers. Height 10cm. Moist soil in sun or part shade. Jun.-Aug. |
| Mimulus | guttatus | An upright spreading perennial with mid-green leaves and pretty funnel-shaped yellow flowers sometimes marked red inside. Height 30cm. Moist soil in sun or part shade. Jun.-Aug. | |
| Mimulus | primuloides | An alpine with light to mid-green leaves and pretty, small trumpet-shaped yellow flowers with red spots. Height 10cm. Jun.-Aug. | |
| Miscanthus | sinensis | "China" | Broad deep green leaves with a silver midrib. Large, dense upright red-brown flower plumes ageing whitish-brown. Height 1.8m. Moist well-drained soil in sun. Jul.-Sep. |
| Miscanthus | sinensis | "Ferner Osten" | A strong growing grass with narrow leaves and deep reddish-pink flowers. Height up to 2m. Moist well-drained soil in sun. Aug-Oct. |
| Miscanthus | sinensis | "Flamingo" | A tall graceful grass with narrow green leaves and lighter midribs.Large open heads of arching light wine-red flower plumes ageing to whitish-brown on reddish stems.. Height 2m. Moist well-drained soil in full sun. Aug.-Oct. |
| Miscanthus | sinensis | "Giganteus" | A robust tall grass with narrow blue-green with pale silver-green midribs. Silvery white spikelets in a hot long summer. Height up to 4m. Moist well-drained soil in sun. Possibly the correct name for M. floridulus and M. sacchariflorus. |
| Miscanthus | sinensis | "Gold Bar" | A shorter form of "Zebra" grass. This is a deciduous grass with arching narrow green leaves with many bands of yellow from early in the season. Height 60cm. Moist well-drained soil in sun. |
| Miscanthus | sinensis | "Goliath" | A robust tall grass with large red-brown flower plumes ageing to silvery-brown. Height up to 2.5m. Moist well-drained soil in sun |
| Miscanthus | sinensis | "Gracillimus" | A robust tall grass with very narrow grey-green with pale silver-green midribs. Silvery white spikelets. Height 1.5-2.2m. Moist well-drained soil in sun. Oct.-Nov. |
| Miscanthus | sinensis | "Hinjo" | Dwarf form with vase-shaped densely cream-yellow cross-banded foliage. The effect is carried to the base of the plant. Plumes of silver-pink flowers. Height 1m. Moist well-drained soil in sun.Sep.-Nov. |
| Miscanthus | sinensis | "Kaskade" | Slender leaves, the flower plumes arch with tiers of drooping branches, rose-purple-brown, ageing silvery pink then whitish. Height 1.2-1-8m. Moist well-drained soil in sun. Aug.-Oct. |
| Miscanthus | sinensis | "Kleine Fontaine" | Narrow deep green leaves with a silver midrib. Spreading to pendulous flower fingers, red purple-brown ageing to silvery pink. Height 1-1.5m. Moist well-drained soil in sun. Jul.-Sep. |
| Miscanthus | sinensis | "Kleine Silberspinne" | An elegant grass with narrow spidery, horizontally held, green leaves with a silver midrib and large plumes of red-brown flowers. Height 90cm. Moist well-drained soil in sun. Aug.-Sep. |
| Miscanthus | sinensis | "Little Kitten" | Slender leaves in a low mound and erect flower fingers of a reddish-brown colour ageing to a dingy white. Height 75cm. Moist well-drained soil in sun. Aug.-Sep. |
| Miscanthus | sinensis | "Malepartus" | An elegant grass with narrow bronze-tinted, green leaves and rich purple-red flower plumes. Height 1.8m. Spread 1.2m. Moist well-drained soil in sun. Aug.-Nov. |
| Miscanthus | sinensis | "Morning Light" | Narrow graceful white variegated leaves from which arise plumes of pale crimson flowers. Height 1.3m. Moist well-drained soil in sun. Aug.-Nov. |
| Miscanthus | sinensis | "Poseidon" | A strong growing grass with broadish leaves that turn shades of yellow, red and orange in autumn, after the chunky pinkish flowers appear. Height 2-2.5m. Moist well-drained soil in sun. Aug-Oct. |
| Miscanthus | sinensis | "Rotsilber" | A tall graceful grass with narrow green leaves and lighter midribs.Silver-red flower plumes. Height 1.75m. Moist well-drained soil in full sun. Aug.-Oct. |
| Miscanthus | sinensis | "Septemberrot" | A strong growing grass with broadish leaves with a white midrib and reddish-brown flowers. Height 2-2.5m. Moist well-drained soil in sun. Aug-Oct. |
| Miscanthus | sinensis | "Silberturm" | A robust tall grass with bold green leaves and pale silver-green midribs. Silvery white flower plumes. Height up to 3m. Moist well-drained soil in sun. |
| Miscanthus | sinensis | "Sioux" | Clumps of thinnish, arching leaves with a reddish-brown tinge. Flower spikes commence silvery-pink, fading to white. Height 1.2m. Moist well-drained soil in full sun. Aug.-Oct. |
| Miscanthus | sinensis | "Sirene" | Pink- red flower plumes, Aug.-Oct. turning red-brown. Height 2m. Moist well-drained soil in full sun. |
| Miscanthus | sinensis | "Strictus" | An elegant deciduous grass with arching narrow green leaves with 4-5 bands of yellow and sometimes plumes of pinky-brown flowers. Height 2.4m. Moist well-drained soil in sun. Sept.-Oct. |
| Miscanthus | sinensis | "Variegatus" | An elegant grass with arching narrow green leaves striped white and plumes of silver flowers. Height 1.5m. Spread 1m. Moist well-drained soil in sun. Oct.-Nov. |
| Miscanthus | sinensis | "Yaku-jima" | Narrow green leaves tinged reddish-brown in autumn. Reddish flower plumes in late autumn. Height 1.2m. Moist well-drained soil in full sun. Aug.-Oct. |
| Miscanthus | sinensis | "Yakushima Dwarf" | A charming grass with narrow green leaves and silver-grey flower plumes .Height 60cm. Moist well-drained soil in sun. Aug.-Nov. |
| Miscanthus | sinensis | "Zebrinus" | Zebra Grass. An elegant grass with arching narrow green leaves with bands of yellow and plumes of silver flowers. Height 2.4m. Moist well-drained soil in sun. Sep.-Oct. |
| Miscanthus | sinensis var condensatus | "Cosmopolitan" | Broad leaves with creamy white margins. Silver-red plumes of flowers. Height 1-2m. Moist well-drained soil in sun. Sep.-Nov. |
| Mitella | caulescens | An evergreen with lobed pale green leaves and spires of greenish-yellow flowers. Height 25cm. Moist soil in part shade. May-Jun. | |
| Mitella | stylosa | A creeping perennial with hairy palmate leaves, yellowish green with bronze markings. Spikes of greenish-pink flowers. Height 10cm. Moist soil in shade. Apr.-May. | |
| Mitraria | coccinea | An attractive evergreen subshrub with trailing or climbing stems with glossy green leaves and scarlet-red tubular flowers. Height 2m. Moist well-drained sheltered site in sun or part shade. May to September. | |
| Molinia | caerulea ssp. arundinacea | "Skyracer" | Broad leaves that turn gold in autumn. Large stiff purplish to straw coloured flower sprays up stems nearly 2.5m high. Moist well-drained soil in sun or part shade. Jul.-Sep. |
| Molinia | caerulea ssp. caerulea | "Edith Dudszus" | Purple Moor Grass. A variety with short leaves and slender dark purple flower plumes on arching reddish purple stems. The long lasting plumes turn orange-yellow by autumn. Height 1m. Moist peaty soil in sun. Jul.-Sep. |
| Molinia | caerulea ssp. caerulea | "Heidebraut" | Erect dull green leaves and purple tinged flower plumes ageing to a straw colour. Height 1m Moist well-drained soil in sun or part shade. Jul.-Sep. |
| Molinia | caerulea ssp. caerulea | "Moorhexe" | A small form of upright growth and brown-red flower plumes. Height 60cm. Moist well-drained soil in sun or part shade. Jul.-Oct. |
| Molinia | caerulea ssp. caerulea | "Strahlenquelle" | Leaves and stems form a fountain topped by slender blue-green flower plumes ageing to purple. Height 1m. Moist well-drained soil in sun or part shade. Jul.-Oct. |
| Molinia | caerulea ssp. caerulea | "Variegata" | A densely tufted grass with narrow cream striped, green leaves and purple-tinted flower spikes. Height 1m. Moist well-drained soil in sun or part shade. Jul.-Oct. |
| Moltkia | petraea | Tufts of narrow grey-green leaves and heads of light blue flowers. Height 15cm. Well-drained soil in sun. Apr.-May. | |
| Monarda | "Aquarius" | An aromatic clump-forming herbaceous perennial with whorls of pale lilac flowers. Height 60-90cm. Moist soil in sun. Jun.-Aug. | |
| Monarda | "Balance" | Whorls of deep pink flowers on stems 60-90cm. high. Moist soil in full sun. Aug.-Sep. Mildew resistant. | |
| Monarda | "Fireball" | A dwarf variety with clumps of small-leaved aromatic foliage and stem carrying whorls of hooded red flowers. Height 40cm. Full sun in moist soil. Jul.-Aug. Mildew resistant. Can suffer with winter wet. | |
| Monarda | "Loddon Crown" | A clump forming perennial with whorls of purple-red flowers above the strongly aromatic leaves. Height 90cm. Moist well-drained soil in sun or part shade. Jun.-Aug. | |
| Monarda | "Mohawk" | Whorls of mauve-purple flowers above the aromatic leaves. Height 1m. Full sun in moist soil. Aug.-Sep. Mildew resistant. Can suffer with winter wet. | |
| Monarda | "On Parade" | An aromatic clump-forming herbaceous perennial with whorls of fuchsia purple flowers. Height 75cm. Moist soil in sun. Jun.-Aug. | |
| Monarda | "Panorama" | A seed strain of this aromatic clump-forming herbaceous perennial with whorls of flowers in shades of pink, red, or mauve. Height 75cm. Moist soil in sun. Jun.-Aug. | |
| Monarda | "Pink Supreme" | A new dwarf variety of this aromatic clump-forming perennial with whorls of cerise-pink flowers. Height 40cm. Moist well-drained soil in sun or part shade. Jun.-Aug. | |
| Monarda | "Prairie Night" | An aromatic clump-forming, herbaceous perennial with lilac-purple flowers. Height 90cm. Moist well-drained soil in sun or part shade. Jul.-Sept. Does not like excessive winter wet. | |
| Monarda | "Sagittarius" | An aromatic clump-forming perennial with dark lilac flowers. Height 60-90cm. Moist well-drained soil in sun or part shade. Jun.-Aug. | |
| Monarda | "Scorpion" | An aromatic clump-forming herbaceous perennial with whorls of purple flowers. Height 60-90cm. Moist soil in sun. Jun.-Aug. | |
| Monarda | "Snow Queen" | Whorls of white flowers above the aromatic leaves. Height 1m. Full sun in moist soil. Aug.-Sep. Mildew resistant. Can suffer with winter wet. | |
| Monarda | bradburiana | A later flowering bergamot, more drought tolerant than normal, with small aromatic basal leaves and spikes carrying whorls of purple, lilac or red flowers. Height 80cm. Moist well-drained soil in sun or part shade. Jul.-Aug. | |
| Monarda | punctata | An aromatic clump-forming perennial with yellow flowers, usually spotted with purple. Height 1m. Moist well-drained soil in sun or part shade. Jul.-Aug. Protect from winter wet. | |
| Morina | longifolia | A prickly rosette-forming perennial with whorled stems of white flowers turning pink. Height 90cm. Well-drained soil in sun. Jun.-Aug. | |
| Morina | persica | A prickly rosette-forming perennial with whorled stems of Pale to deep pink flowers. Height 90cm. Well-drained soil in sun. Jun.-Aug. | |
| Morisia | monanthus | Flat rosettes of deep green pinnate leaves with stemless golden yellow flowers in spring. Height 5cm. Gritty soil in full sun, trough or Alpine house. | |
| Morisia | monanthus | "Fred Hemmingway" | Flat rosettes of deep green pinnate leaves with stemless relatively large yellow flowers in May. Height 5cm. Gritty soil in full sun, trough or Alpine house. |
| Muscari | "Baby's Breath" | Lovely powder blue flowers on 15cm. stems. Sunny, well-drained site. Mar.-May. | |
| Muscari | armeniacum | "Valerie Finnis" | A lovely "Grape Hyacinth" with spikes of pale blue flowers. Height 15cm. Moist well-drained soil in sun or part shade. Mar.-May. |
| Muscari | aucheri | "Mount Hood" | A bulbous perennial with strap-like leaves and spikes of small tubular flowers bright blue with white tips. Height 10cm. Well-drained soil in sun. Non-invasive. |
| Myosotidium | hortensia | A clump-forming evergreen perennial with glossy, pleated leaves and light to dark blue forget-me-not flowers. Height 60cm. Well-drained soil in part shade. May-Jun. Not fully hardy. | |
| Myrtus | communis | An evergreen shrub with glossy dark green leaves and pretty, fragrant, white flowers with conspicuous white stamens, followed by purple-black berries. Height 3m. Spread 3m. Moist well-drained soil in sun. Flowers from July to August. | |
| Myrtus | ugni | An upright evergreen shrub with small glossy green leaves. Waxy white bell flowers are followed by edible wine-red berries. Height and spread 2m. Moist well-drained sheltered site in sun. Flowers from June to July. |