Plant List T
| Tanacetum | coccineum | A clump forming perennial with feathery foliage and stems of daisy-like flowers in shades of pink and red. Height 60cm. Well-drained soil in sun. May-Jun. | |
| Tanacetum | densum ssp. amani | A mound-forming woody-based perennial with downy, grey-white, finely cut leaves. Stems of daisy-like yellow flowers. Height 25cm. Well-drained gritty soil in sun. Jun.-Aug. | |
| Taxus | baccata | "Standishii" | A slow growing narrowly columnar evergreen conifer with golden yellow leaves. Mature plants have red berries in late autumn, early winter. Well-drained soil in sun or part shade. Height 1.5m. Spread 60cm. |
| Telesonix | jamesii | A mound-forming herbaceous perennial with rosettes of kidney-shaped green leaves and open bell-shaped, frilled. pink-red flowers with green centres. Height 15cm. moist soil in part shade. Mar.-Apr. Dislikes chalky soils. | |
| Tellima | grandiflora | "Forest Frost" | A clump-forming evergreen perennial with mid-green leaves suffused cream. and.slender spikes of greenish white flowers. Height 80cm. Moist soil in part shade. May-July. |
| Tetragonolobus | maritimus | "Dragons Teeth". Creeping stems of entire, elliptic blue-green leaves and terminal pea-like yellow flowers. Height 20cm. Well-drained soil in sun. Jun.-Sept. | |
| Teucrium | ackermannii | A small shrub with narrow silver-grey leaves and two-tone purple flowers in round clusters in summer. Height 15cm. Well-drained soil in sun. Jun.-Aug. | |
| Teucrium | chamaedrys | Shrub to 60cm. Rose-pink lipped flowers from Jul.-Sep. Sunny spot in well-drained soil. | |
| Teucrium | fruticans | A bushy evergreen shrub with aromatic grey-green leaves. Whorls of pale blue flowers.Height 60-100cm. Well-drained soil in sun. Jun.-Aug. | |
| Teucrium | fruticans | "Azureum" | A bushy evergreen shrub with aromatic silver-grey foliage on grey-white stems. Whorls of rich blue flowers. Height 60-100cm. Well-drained soil in sun. June to September. |
| Teucrium | fruticans | "Compactum" | Evergreen upright shrub with grey-white stems and silver-grey leaves. Sky-blue flowers from May to October. Height 1-1.5m. Well-drained soil in full sun. |
| Teucrium | hircanicum | A bushy aromatic evergreen subshrub with sage-like green leaves. Spikes of deep purplish red flowers from mid to late summer. Height 60cm. Well-drained soil in sun. Jul.-Aug. | |
| Teucrium | pyrenaicum | A decumbent alpine with oval, toothed leaves and spherical heads of purple flowers with white lower lips. Height 10-20cm. Well-drained poor soil in sun. Protect from wet during winter. Jun.-Jul. | |
| Teucrium | subspinosum | A dwarf shrubby alpine with white-woolly stems and narrow grey-green, spiky leaves. Mauve-Pink flowers sit in the leaf axils. Height 20cm. Well-drained soil in sun. Jul.-Sep. | |
| Thalictrum | "Elin" | An erect clump-forming perennial with glaucous blue-green leaves flushed purple and branching heads of purple flowers with cream centres. Height 1.8-2m. Moist soil in sun or part shade. May-Jun. | |
| Thalictrum | aquilegiifolium | An erect airy perennial with dainty leaves and fluffy deep lilac flowers.Height 1m. Moist soil in part shade. Jun.-Jul. | |
| Thalictrum | aquilegiifolium | "Purpureum" | An erect airy perennial with dainty leaves and fluffy mauve-purple flowers.Height 1m. Moist soil in part shade. Jun.-Jul. |
| Thalictrum | aquilegiifolium | "Thundercloud" | An erect airy perennial with dainty leaves and fluffy deep lilac flowers with purple stamens in early summer. Height 1m. Moist soil in part shade. June to July. |
| Thalictrum | decorum | An erect clump-forming perennial with dainty leaves and relatively large deep lilac flowers with yellow stamens. Height 1.2m. Moist soil in part shade. Jul.-Sep. | |
| Thalictrum | delavayi | An erect clump-forming perennial with dainty leaves and lilac-mauve flowers in early summer. Height 1.2m. Moist soil in shade. Jul.-Sep. | |
| Thalictrum | delavayi | "Album" | Pale green "maidenhair" foliage and sprays of fluffy white foliage. Height 1.2m. Well-drained soil in sun or part shade. Aug.Sept. |
| Thalictrum | delavayi | "Hewitt's Double" | An erect clump-forming perennial with dainty leaves and double lilac-mauve flowers in early summer. Height 1.2m. Moist soil in shade. Jul.-Sep. |
| Thalictrum | flavum | "Illuminator" | An erect clump-forming perennial with young leaves creamy-grey with gold and pink tinges.Heads of fragrant yellow flowers. Height 1m. Moist soil in sun. Jun.-Aug. |
| Thalictrum | flavum ssp. glaucum | An erect clump-forming perennial with glaucous blue-green, and dainty leaves and heads of fragrant sulphur-yellow flowers. Height 1m. Moist soil in part shade. Jul.-Aug. | |
| Thalictrum | kiusianum | A perennial with dainty blue-green, divided leaves and heads of small, fluffy pink flowers. Height 10cm. Moist peaty soil in part shade. May-Jun. | |
| Thalictrum | rochebrunianum | An erect airy perennial with dainty leaves and tall spikes of reddish-lilac flowers with yellow stamens. Height 1.5m. Best in moist soil in part shade. Jul.-Aug. | |
| Thalictrum | tuberosum | Airy bluish-green leaves and erect stems carrying relatively large creamy white flowers. Height 45cm. Well-drained soil in sun. May-Jun. | |
| Thelypteris | decursive-pinnata | "Beech Fern". An attractive deciduous fern with lance-shaped, pinnatifid pale green fronds. The pinnae are deeply serrated, shortening towards the frond base. Spreads slowly by rhizomes. Height 40cm. Wet acid soils in dappled shade. | |
| Thermopsis | caroliniana | From glaucous foliage, silky beneath, arise dark purple stems carrying spikes of bright yellow lupin-like flowers. Height 1-1.5m. Well-drained soil in sun. Apr.-Jun. | |
| Thermopsis | lanceolata | A spreading perennial with attractive bright green leaves. Upright spikes of pea-like yellow flowers on blackish stems. Height 70cm. Moist well-drained soil in sun or part shade. Jun.-Jul.. | |
| Thermopsis | rhombifolia var. montana | An herbaceous perennial with gently running clumps of silvery three-lobed leaves and spikes of yellow pea-like flowers. Height 75cm. Well-drained soil in sun. May-Jun. | |
| Thlapsi | stylosum | A tufted perennial with rosettes of deep green spathulate leaves and small racemes of pale purple flowers. Height 5cm. Well-drained soil in sun. May-Aug. | |
| Thymus | "Desboro" | A mat-forming variety with mauve-pink flowers. Height 10cm. Well-drained soil in sun. Jun.-Jul. | |
| Thymus | "Doone Valley" | A mat-forming, evergreen subshrub with dark green leaves dotted with yellow. Lavender-pink flowers open from crimson-red buds. Height 8-12cm. Well-drained soil in sun. Jun.-Aug. | |
| Thymus | "Hartington Silver" | Small green leaves with a creamy yellow variegation. Pale lavender pink flowers. Height 8cm. Well-drained soil in sun. May-Jul. | |
| Thymus | "Lilac Time" | A compact mat of dark green leaves with lilac-pink flowers. Height 8cm. Well-drained soil in sun. May-Jun. | |
| Thymus | coccineus | "Red Elf" | A mat-forming alpine with creeping stems, narrow very dark green leaves. Whorls of deep pink flowers. Height 5cm. Well-drained soil in sun. May-July. |
| Thymus | comosus | A low growing perennial with trailing stems of paired aromatic leaves and heads of bright pink flowers. Height 15cm. Well-drained soil in sun. Jun.-Jul. | |
| Thymus | doerfleri | "Bressingham" | A mat-forming subshrub with fragrant, grey-green leaves and clear pink flowers. Height 10cm. Well-drained soil in sun. Jun.-Aug. |
| Thymus | leucotrichus | A shrubby thyme with tiny dull, grey-green leaves on stiff upright stems. small lipped mauve flowers. Height 15cm. Well-drained soil in sun. | |
| Thymus | pulegioides | "Archers Gold" | A bushy, evergreen subshrub with green and gold leaves and pretty mauve-pink flowers. Height 10cm. Spread 20cm. Well-drained site in full sun. May to July. |
| Thymus | pulegioides | "Foxley" | Aromatic, mid-green leaves splashed white. Pink to purple flowers. Height 15-20cm. Well-drained soil in sun. May-Jun. |
| Thymus | serpyllum | A mat-forming alpine with trailing stems, narrow mid-green leaves and whorls of purple flowers. Height 10-15cm. Well-drained soil in sun. Jun.-Aug. | |
| Thymus | serpyllum | "Coccineus" | Narrow very dark green leaves. Whorls of crimson-pink flowers. Height 5cm. Well-drained soil in sun. May-Jul. |
| Thymus | serpyllum | "Elfin" | A dense mound-forming alpine with narrow emerald green leaves and pink flowers. Shy to flower. Height 5-8cm. Well-drained soil in sun. May-Jul. |
| Thymus | serpyllum | "Minimus" | A mat-forming alpine with creeping stems, and congested leaves. Whorls of pink flowers. Height 3cm. Well-drained soil in sun. May-Jul.. |
| Thymus | sp. from Turkey | An open growing thyme with terminal clusters of pink flowers. Height 10cm. Well-drained soil in sun. Apr.-May. | |
| Thymus | vulgaris | "Snow White" | A mat forming variety with small dark green leaves and small heads of white flowers. Height 5cm. Gritty well-drained soil in sun. |
| Tiarella | "Black Velvet" | A vigorous variety with black-centred cut foliage and scented white flowers tinged pink. Height 50cm. Most soils and conditions. Mar.-Sep. | |
| Tiarella | "Cygnet" | Broadly cut fresh green foliage with a dark central splash and short spikes of fragrant pink flowers. Height 45cm. Most soils and conditions. | |
| Tiarella | "Heronswood Mist" | Cream and pink mottled leaves with stems of pale-pink starry flowers. Height 25cm. Moist soil in part shade. Apr.-Jul. | |
| Tiarella | "Iron Butterfly" | Clump forming evergreen perennial with palmate leaves and matching dark markings in the centre of the leaf. Short spikes carrying beige flowers. Height 25cm. Any soil moist or dry. Apr.-Jun. | |
| Tiarella | "Jeepers Creepers" | A spreading evergreen perennial with heavily marked foliage and large foamy cream flowers. Height 40cm. Most soils in sun or shade. | |
| Tiarella | "Mint Chocolate" | Spikes of pale pinky-beige flowers over bright green leaves with a chocolate blotch. Height 30cm. Any soil moist or dry. May-Jul. | |
| Tiarella | "Neon Lights" | A new distinct variety with dark brown scalloped, palmate leaves edged green. Small spires of white pink blushed flowers. Height 40cm. Most soils and conditions. Jun.-Sep. | |
| Tiarella | "Ninja" | Palmate leaves with a central chocolate star, turning purple black in winter. Spikes of coral-beige flowers. Height 25cm. Most soils, sun or shade (even dry). Apr.-Jun. | |
| Tiarella | "Pink Bouquet" | Chocolate blotches on large palmate leaves. Spikes of soft pink flowers, Apr.-Jun. Height 30cm. Most soils including dry shade. | |
| Tiarella | "Pink Skyrocket" | Beautiful scalloped, almost palmate glossy green foliage with spires of pale pink fluffy flowers. Height 25cm. Moist well-drained soil in part shade. Apr.-Oct. | |
| Tiarella | "Pirates Patch" | Broad uncut foliage with a strong dark patch and good spikes of white flowers. Height 25cm. Most soils in sun or shade. Apr.-Oct. | |
| Tiarella | "Spring Symphony" | Lovely cut foliage with a dark streak down the centre. Excellent spikes of pink foamy flowers. Height 25cm. Most soils in sun or shade. Apr.-Jul. | |
| Tiarella | "Starfish" | A variety with starfish-shaped leaves, dark green with a black centre, turning bronze in winter. Spikes of fragrant pink flowers. Height 35cm. Most soils in sun or shade. Apr.-Oct. | |
| Tiarella | wherryi | "Bronze Beauty" | Maple-shaped dusky pink leaves. Starry pale pink leaves. Height 25cm. Moist well-drained soil in part shade. Mar.-Dec. |
| Tiarella | wherryi | "Skid's Variegated" | A spreading perennial with attractive pale green leaves, marbled white with pinkish tinges and masses of starry beige-white flowers. Height 25cm. Moist soil in shade. Apr-Jun. |
| Toona | sinensis | A fast growing tree with handsome large pinnate leaves, often bronze when young and fragrant white flowers in panicles that can reach 30cm. Height 10m. Spread 7m. Moist well-drained soil in sun. Flowers in August. | |
| Townsendia | formosa | Evergreen perennial with narrow deep green leaves and lavender-blue daisy flowers with yellow centres. Height 10cm. Moist soil in full sun. May-Jun. | |
| Townsendia | incana | Mats of narrow blue-green foliage with pinkish buds opening to white daisies with a yellow centre. Height 10cm. Well-drained soil in sun with winter protection. Jun.-Sept. | |
| Townsendia | montana | Tufts of leathery, dark grey-green spathulate leaves with almost stemless bright purple daisy flowers. Height 8cm. Well-drained soil in sun. Best in cold greenhouse over winter. May-Jun. | |
| Townsendia | parryi | Mounds of green thin, linear leaves and relatively large daisy flowers , usually lavender. Height 15cm. Gritty well-drained soil in sun or Alpine House. | |
| Townsendia | rothrockii | Mounds of green linear leaves and substantial flowers of lilac-blue. Height 10cm. Very sharply drained soil in sun or the Alpine House. | |
| Townsendia | spathulata | Small rosettes of silvery spathulate leaves and almost stemless pink daisies. Height 10cm. Moist well-drained soil in sun. Protect from winter wet. | |
| Trachelium | jacquinii ssp. rumelianum | Mats of bright green leaves and heads of small lavender-blue flowers. Height 10-15cm. Well-drained soil in sun. Jul.-Sep. | |
| Trachelospermum | asiaticum | An evergreen twining climber with glossy dark green leaves and fragrant, creamy white flowers. Height 6m. Well-drained soil in sun. Flowers from July to August. Shelter from cold drying winds. | |
| Trachelospermum | asiaticum | "Golden Memories" | An evergreen twining, climbing shrub with wonderful bright golden glossy foliage and white scented tubular flowers with a gold throat. Height 6m. Well-drained site in sun. South or west-facing wall. Flowers from June to July. |
| Trachelospermum | jasminoides | A twining climber with glossy dark green leaves, turning bronze-red in winter. Small, but very fragrant pure white flowers. Height 9m. Well-drained soil in sun or part shade. Flowers from July to August. Protect from cold winds. | |
| Trachelospermum | jasminoides | "Variegatum" | A twining evergreen climber with glossy dark green leaves, margined and splashed with cream, often turning crimson in winter. Pure white flowers from mid to late summer. Height 4-8m. Well-drained sheltered site in sun or part shade. |
| Trachelospermum | jasminoides | "Water Wheel" | An evergreen self-clinging climber with narrow willow-like leaves with silver veins. small white very fragrant flowers. Height 7m. Well-drained sheltered site in sun or part shade.. Flowers from July to August |
| Trachelospermum | jasminoides | "Wilsonii" | A twining evergreen climber with rounded and narrow, glossy dark green, veined leaves, turning bronze-red in winter and pure white scented flowers. Height 9m. Well-drained sheltered site in sun or part shade.. Flowers from July to August |
| Trachycarpus | fortunei | Chusan Palm. A single-stemmed palm with large fan-shaped dark green leaves. Small yellow flowers emerge close to the leaf bases in early summer. The hardiest palm in Britain. Height 20m. Spread 2.5m. Shelter from cold drying winds. | |
| Tradescantia | "Blue and Gold" | Bright blue flowers set off by the yellow foliage. Height 45cm. Moist well-drained soil in sun or part shade. May-Oct. | |
| Tradescantia | "Purple Profusion" | An herbaceous perennial with the new spring growth having unusual purple striping. Simple three-petalled purple-blue flowers. Height 35cm. Moist soil in sun or part shade. Jun.-Aug. | |
| Tradescantia | "Purple Sabre" | Trailing stems with strap-like purple leaves and terminal flowers of mid-pink. height and spread 20cm. Moist well-drained soil in sun or part shade. Reputedly hardy. | |
| Tradescantia | virginiana | "Caerulea Plena" | A clump-forming herbaceous perennial with narrow green leaves and double light blue flowers. Height 50cm. Moist soil in sun or part shade. Jun.-Aug. |
| Tradescantia | x andersoniana | "Bilberry Ice" | An erect arching perennial with narrow green leaves and clusters of white flowers with purple-red blotches. Height 30-35cm. Moist soil in sun or part shade. Jun.-Aug. |
| Tradescantia | x andersoniana | "Concord Grape" | Long grey-green leaves and bunches of violet-purple flowers in early summer and again in early autumn. Height 55cm. Moist soil in sun or part shade. May-Jul; Sep.-Oct. |
| Tradescantia | x andersoniana | "Isis" | An erect arching perennial with narrow green leaves and clusters of large dark blue flowers. Height 60cm. Moist soil in sun or part shade. Jun.-Sept. |
| Tradescantia | x andersoniana | "Karminglut" | An erect arching perennial with narrow green leaves and clusters of carmine-red flowers. Height 60cm. Moist soil in sun or shade. Jun.-Sep. |
| Tradescantia | x andersoniana | "Little Doll" | An erect perennial with narrow green leaves and pale blue flowers. Height 25cm. Moist soil in sun or part shade. Apr.-Nov. |
| Tradescantia | x andersoniana | "Osprey" | An erect arching perennial with narrow green leaves and clusters of large white three-petalled flowers with a fluffy blue centre. Height 60cm. Moist soil in sun or part shade. Jun.-Sep. |
| Tradescantia | x andersoniana | "Pauline" | An erect arching herbaceous perennial with narrow green leaves and clusters of lilac-pink flowers. Height 45cm. Moist soil in sun or part shade. Jun.-Sept. |
| Tradescantia | x andersoniana | "Purple Dome" | An erect arching perennial with narrow leaves and clusters of large rich purple flowers. Height 60cm. Moist soil in sun or part shade. Jun.-Sep. |
| Tradescantia | x andersoniana | "Red Grape" | An erect arching perennial with narrow grey-green leaves, and clusters of red flowers. Height 45cm. Moist soil in sun or part shade. Jun.-Sep. |
| Tradescantia | x andersoniana | "Rubra" | An erect arching perennial with narrow green leaves, and clusters of large deep purple flowers. Height 30cm. Moist soil in sun or part shade. Jun.-Sep. |
| Tradescantia | x andersoniana | "White Doll" | An upright perennial with white flowers almost continuously from Apr.-Nov. Height 25cm. Moist, well-drained soil in sun or part shade. |
| Tradescantia | x andersoniana | "Zwanenburg Blue" | An erect arching perennial with narrow green leaves and clusters of large dark blue flowers. Height 50cm. Moist soil in sun or shade. Jun.-Sep. |
| Tricyrtis | "Dark Beauty" | An erect perennial with narrow green leaves and upward-facing, star-shaped whitish flowers heavily spotted deep mauve. Height 60cm. Moist well-drained soil in shade. Sep.-Oct. | |
| Tricyrtis | "Empress" | An erect perennial with glossy green leaves and upward-facing, star-shaped pale pink flowers heavily spotted mauve. Height 60cm. Moist well-drained soil in shade. Sep.-Oct. | |
| Tricyrtis | "Hototogisu" | An erect perennial with glossy dark green leaves and upward-facing, star-shaped light mauve-purple flowers. Height 80cm. Moist well-drained soil in shade. Sep.-Oct. | |
| Tricyrtis | "White Towers" | An erect perennial with hairy pale green leaves. Upward-facing white flowers in the leaf axils.Height 60cm. Moist well-drained soil in shade. Aug.-Oct.. | |
| Tricyrtis | formosana | "Gilt Edge" | An erect perennial with green leaves edged yellow and rose-pink flowers with darker spots. Height 70cm. Moist well-drained soil in shade. Aug.-Sep. |
| Tricyrtis | hirta | An erect, herbaceous perennial with hairy pale green leaves and funnel-shaped, purple-spotted, white flowers. Height 80cm. Moist well-drained soil in part shade. Aug.-Oct. | |
| Tricyrtis | hirta | "Albomarginata" | An erect perennial with hairy pale green leaves having a creamy white margin. Upward facing white spotted flowers. Variegated leaves. Height 75-90cm. Fertile moist soil in sun or shade. Aug-Oct. |
| Tricyrtis | hirta | "Taiwan Atrianne" | An erect perennial with hairy pale green leaves. Funnel-shaped, blue-purple spotted, white flowers held in the leaf axils. Height 80cm. Moist well-drained soil in part shade. Aug.-Oct. |
| Tricyrtis | macrantha | A lax growing perennial with whorls of mid green leaves sparsely along the stems with yellow bell heavily spotted maroon inside, from the leaf axils. Height 30cm. Moist well-drained soil in part shade. Aug.-Sept. | |
| Tricyrtis | macropoda | An erect perennial with pale green leaves and upward-facing white or creamy yellow flowers, spotted purple. Height 45-70cm. Moist well-drained soil in part shade. Jul.-Sept. | |
| Trifolium | repens | "Purpurascens Quadrifolium" | A mat-forming perennial with pretty purple-maroon leaves with a narrow mid-green margin. Pea-like white flowers in summer. Height 10cm. Spread Indefinite. Moist well-drained soil in sun. Jun.-Aug. |
| Trifolium | rubens | Silver hairy, three-lobed leaves and short spikes of bottlebrush antique-red flowers. Height 45cm. Moist well-drained soil in sun. Jun.-Aug. | |
| Trifolium | rubens | "Peach Pink" | Deep green three-lobed leaves and peachy-pink bottlebrush flowers. Height 35cm. Moist well-drained soil in sun. Jun.-Aug. |
| Trifolium | rubens | "Red Feathers" | Deep green three-lobed leaves and silvery buds opening to crimson-red bottlebrush flowers. Height 35cm. Moist well-drained soil in sun. Jun.-Aug. |
| Trillium | catesbyi | Stems carry whorls of three green narrow ovate leaves from which hang reflexed petalled flowers of pale pink or darker. Height 20cm. Moist well-drained peaty soil in part shade. Apr.-May | |
| Trillium | cuneatum | Fragrant dark maroon upright facing flowers in spring. Height 30-60cm. Shady spot in moist, well-drained peaty soil. | |
| Trillium | erectum | "Beige Form" | A choice perennial with handsome mid-green leaves. Three petalled off-white flowers. Height 50cm.Moist well-drained soil in part shade. Apr.-May. |
| Trillium | grandiflorum | A perennial with dark green leaves. Pure white flowers fading to pink in spring. Height 40cm. Moist well-drained soil in part shade. Apr.-May. | |
| Trillium | luteum | Pale yellowish green upright facing flowers in spring. Height up to 40cm. Shady spot in moist, well-drained peaty soil. | |
| Trillium | luteum | hybrids | Pale yellowish green or maroon upright facing flowers in spring. Height up to 40cm. Shady spot in moist, well-drained peaty soil. |
| Trillium | nivale | An herbaceous perennial with reddish brown stems arising from rhizomes carrying elliptical leaves. Pure white flowers with recurving tips. Height 15cm. Moist well-drained soil in part shade. Apr.-May. Perhaps best in Alpine House. | |
| Trillium | pusillum | Erect stems with narrow three-lobed mid green leaves and three petalled wavy white flowers. Height 15cm. Moist well-drained peaty soil in part shade. Apr.-May | |
| Trillium | recurvatum | A perennial with mottled green leaves. Stemless, erect, purple flowers with recurved sepals. Height 25cm. Moist well-drained soil in part shade. Apr.-May. | |
| Trillium | rivale | A small early flowering trillium with white flowers overlaid with red-violet. Moist well-drained soil in part shade. Mar.-Apr. | |
| Trillium | sessile | A choice perennial with handsome deep green leaves marbled pale green, grey-white and maroon and upright facing red-maroon flowers. Height 30cm. Moist peaty soil in shade. Apr.-May. | |
| Trillium | sulcatum | A larger species with deep green veined leaves and deep red flowers with reflexed petals held upright. Height 45cm. Moist peaty soil in shade. | |
| Triosteum | himalayanum | An herbaceous perennial with alternate opposite leaves and terminal clusters of whorled light yellow flowers followed by red berries. Height 40-80cm. Moist well-drained soil in sun or part shade. Jun.-Jul. | |
| Tripterospermum | japonicum | Creeping or climbing stems of dark green pointed leaves with trumpet flowers of violet-blue with greenish throat markings. attractive maroon seed pods. Height 40-80cm. Moist well-drained soil in part shade. Aug-Oct. | |
| Trollius | chinensis | "Golden Queen" | A clump-forming herbaceous perennial with open, deep yellow flowers with a central tuft of rich orange. Height 90cm. Moist soil in sun or part shade. Jul.-Aug. |
| Trollius | europaeus | A clump-forming perennial with deeply divided leaves and lemon-yellow flowers. Height 80cm. Moist soil in sun or part shade. Jul.-Aug. | |
| Trollius | hondoensis | Deeply-lobed, shining green, chartaceous (thin) leaves, with very large, golden flowers with protruding, yellow, petal-like stamens, followed by knobbly, spiked seed capsules. Height 30-45cm. Moist soil in sun or part shade. | |
| Trollius | pumilus | Small clumps of round palmately divided leaves and short stems of upward facing five-petalled bright yellow flowers with prominent stamens. Height 15-25cm. Moist soil in sun or part shade. Jun.-Jul. | |
| Trollius | stenopetalus | A clump-forming perennial with glossy deeply divided leaves and large semi-double yellow flowers. Height 60cm. Moist soil in sun or shade. May-Jun. | |
| Trollius | x cultorum | "Lemon Queen" | A clump-forming perennial with glossy deeply divided leaves and pale yellow flowers. Height 60cm. Moist soil in sun or shade. May-Jun. |
| Trollius | x cultorum | "Orange Princess" | A clump-forming perennial with glossy deeply divided leaves and rounded orange-yellow flowers. Height 90cm. Moist soil in sun or part shade. May- Jun. |
| Tropaeolum | ciliatum | A vigorous perennial climber with dark green leaves and mustard-yellow flowers. Height 2m. Moist well-drained soil in sun. May-Jun. | |
| Tropaeolum | pentaphyllum | Slender, tender twining plant with small red and green flared flowers from Jun.-Aug. Climbs to about 1.5m. Well drained soil. Dies down mid-season, reappearing towards the end of the year. Overwinter in cold greenhouse. | |
| Tropaeolum | var. lineamaculatum | "Ken Aslet" | A perennial climber with attractive greyish green leaves. Long-spurred orange and red flowers, from mid-summer to autumn. Height 2-4m. Moist well-drained soil in sun. Mulch over winter or lift tubers and store. |
| Tulbaghia | violacaea | "Silver Lace" | A clump-forming perennial with narrow, cream striped, greyish green leaves. Large fragrant lilac flowers.Height 45-60cm. Well-drained soil in sun. Not hardy. Jul.-Sep. |
| Tulbaghia | violacaea hybrids | A clump-forming perennial with narrow greyish green leaves. Fragrant mauve, lilac or white flowers. Height 45-60cm. well-drained soil in sun. Not hardy. Jul.-Sep. | |
| Tulipa | "Honky Tonk" | A bulbous perennial with attractive thin grey-green leaves with a thin red edge and soft yellow flowers flushed pink towards the tips. Height 15cm. Well-drained soil in sun. Apr.-May. | |
| Tulipa | "Lady Jane" | A dwarf tulip with bicoloured flowers of pink and white. Height 10-15cm. Well-drained soil in sun. Apr.-May. | |
| Tulipa | "Little Beauty" | A dwarf variety of tulip with scented flowers of dusky red with a purple base. Height 10-15cm. Well-drained soil in sun. Apr.-May. | |
| Tulipa | "Little Princess" | Dwarf variety with orange-red flowers and a yellow base. Height 10cm. Flowering Apr-May. Sunny well-drained site. | |
| Tulipa | "Tinka" | A dwarf tulip with bicoloured flowers of yellow and red. Height 10-15cm. Well-drained soil in sun. Apr.-May. | |
| Tulipa | aucheriana | A dwarf tulip with glaucous leaves and deep rose-lilac flowers with a yellowish-brown blotch. Height 10cm. Well-drained soil in sun. April. | |
| Tulipa | bakeri | "LIlac Wonder" | Bright pink flowers in May. Height 15cm. Sunny spot in well-drained soil. |
| Tulipa | batalinii | "Bright Gem" | Bright yellow flowers on 15cm. stems in May. Sunny well-drained spot. |
| Tulipa | celsiana | A dwarf species with clear yellow petals inside, bronze tinged on the outside. Height 10cm. Well-drained soil in sun. Apr.-May. | |
| Tulipa | humilis | "Eastern Star" | Magenta flowers on 10cm. stems during May. Sunny well-drained site. |
| Tulipa | humilis | "Lilliput" | Multi-headed red flowers with a dark base on stems 10cm. high from Mar-Apr. Sunny spot in well-drained soil. |
| Tulipa | humilis | "Odalisque" | Beetroot purple flowers with a yellow base on stems 10cm. high from Mar-Apr. Sunny spot in well-drained soil. |
| Tulipa | humilis | "Violacaea" | Magenta pink flowers with a black base on stems 10cm. high from Mar-Apr. Sunny spot in well-drained soil. |
| Tulipa | humilis | "Violacea Yellow Base" | Magenta pink flowers with a yellow base on stems 10cm. high from Mar-Apr. Sunny spot in well-drained soil. |
| Tulipa | humilis var. pulchella | "Albocaerulea Oculata" | A rare dwarf tulip. Height 10cm. White with a steel blue base. Flowers Mar-Apr. Well-drained soil in full sun. |
| Tulipa | linifolia | Glossy scarlet flowers with a blackish purple base. Height 10-15cm. Well-drained soil in full sun. Mar.-Apr. | |
| Tulipa | polychroma | Multi headed tulip with white flowers, faintly tinged pink and a yellow centre. Grow in full sun in well-drained soil. Feb.-Mar. Height 10-15cm. | |
| Tulipa | praestans | "Unicum" | A multi flowered dwarf tulip with capsicum-red flowers with a yellow base. The foliage is attractively edged creamy-yellow. Height 20-25cm. Well-drained soil in sun. |
| Tulipa | schrenkii | A dwarf tulip with glaucous wavy-edged leaves and red flowers maybe with a yellow edge. Height 10cm. Well-drained soil in sun. Mar.-May. | |
| Tulipa | urumiensis | A pretty spring flowering bulb with star-shaped bright yellow flowers. Narrow mid-green leaves. Height 15cm. Well-drained soil in sun. Mar.-Apr. | |
| Tulipa | wilsoniana | Deep red flowers on stems 15cm. high during Apr.-May. Sunny spot in well-drained soil. |