Purple

Stachys byzantina 'Big Ears'

Lambs tongue, Lamb's tails, Woolly betony, Lambs ears, Woolly woundwort

Stachys byzantina 'Primrose Heron'

Lambs tongue, Lamb's tails, Woolly betony, Lambs ears, Woolly woundwort

Stachys macrantha 'Superba'

Big betony, Big sage

Stachys officinalis 'Hummelo'

Bishop's wort, Betony

Stokesia laevis Amethyst = 'Stam01'

Stoke's aster

Strobilanthes wallichii

Mexican petunia, Persian mosaic

Symphytum x uplandicum 'Variegatum'

Russian comfrey

Synthyris

Synthyrsis

Synthyris missurica 'Major'

Columbia synthyris

Syringa Bloomerang Dark Purple = 'Smsjbp7'

Lilac

Syringa josikaea

Hungarian lilac

Syringa protolaciniata 'Kabul'

Afghan lilac

Syringa pubescens subsp. patula 'Miss Kim'

Hairy lilac

Syringa vulgaris 'Charles Joly'

Common lilac

Syringa vulgaris 'Congo'

Common lilac

Syringa vulgaris 'Firmament'

Common lilac

Syringa vulgaris 'Madame Antoine Buchner'

Common lilac

Syringa vulgaris 'Michel Buchner'

Common lilac

Syringa vulgaris 'Mrs Edward Harding'

Common lilac

Syringa x chinensis

Rouen lilac, Chinese lilac, Rowan lilac

Syringa x laciniata

Cut leaf lilac

Syringa x prestoniae 'Audrey'

Canadian hybrid lilac

Syringa x prestoniae 'Elinor'

Canadian hybrid lilac

Syringa x prestoniae 'Isabella'

Canadian hybrid lilac

Tamarix ramosissima

Five stamen tamarix

Tamarix tetrandra

Four stamened tamarisk

Teucrium hircanicum

Caucasian germander

Teucrium hircanicum 'Paradise Delight'

Caucasian germander

Teucrium hircanicum 'Purple Tails'

Caucasian germander

Thalictrum 'Black Stockings'

Meadow rue

Thalictrum 'Fairy Wings'

Meadow rue

Thalictrum chelidonii

Chelidonium leaved meadow rue, Swallow-wort meadow rue

Thalictrum delavayi

Yunnan meadow rue

Thalictrum delavayi

Yunnan meadow rue

Thalictrum delavayi 'Hewitt's Double'

Yunnan meadow rue

Thalictrum rochebruneanum

Lavender mist, Meadow rue

Thymus 'Doone Valley'

Thyme

Thymus 'Silver Posie'

Thyme

Thymus 'Silver Queen'

Silver Thyme

Thymus cilicicus

Cilicia thyme

Thymus pulegioides

Broad leaved thyme, Large thyme

Thymus pulegioides 'Archer's Gold'

Broad leaved thyme, Large thyme

Thymus pulegioides 'Aureus'

Broad leaved thyme, Large thyme, Thyme golden

Thymus pulegioides 'Bertram Anderson'

Lemon Broad leaved thyme, Large thyme

Thymus serpyllum

Creeping thyme, Wild thyme, English thyme, Breckland thyme, Mother of thyme

Thymus serpyllum 'Russetings'

Creeping thyme, Wild thyme, English thyme, Breckland thyme, Mother of thyme

Tibouchina urvilleana

Glory bush, Lasiandra, Chilean glory bush

Tradescantia 'Concord Grape'

Spiderwort, Spider lily, Trinity flower, Devil in the pulpit, Giant spiderwort