Sagina subulata

Irish Moss

Sagina subulata

'Aurea'

Scotch Moss

Salvia

'Rhapsody in Blue'

Garden Sage

Salvia nemorosa

'Caradonna'

Hybrid Sage

Salvia nemorosa

'Marcus'

Hybrid sage

Salvia nemorosa

'May Night'

Hybrid Sage

Salvia nemorosa

'Pink Friesland'

Hybrid Sage

Salvia nemorosa

'Sensation Rose'

Garden Sage

Salvia x

'Eveline'

Garden Sage

Sanguinaria canadensis

Bloodroot

Saponaria lempergii

'Max Frei'

Soapwort

Saponaria ocymoides

Rock Soapwort

Scabiosa atropurpurea

'Beaujolais Bonnets'

Pincushion Flower

Scabiosa caucasica

House Hybrids

Pincushion Flower

Scabiosa columbaria

'Butterfly Blue'

Pincushion Flower

Scutellaria ovata

Heart-Leaved Skullcap

Sedum

'Abbeydore'

Stonecrop

Sedum

'African Sunset'

Stonecrop

Sedum

'Angelina'

Stonecrop

*

Sedum

'Autumn Charm'

Stonecrop

Sedum

'Autumn Fire'

Stonecrop

Sedum

'Autumn Joy'

Stonecrop

Sedum

'Bertram Anderson'

Stonecrop

Sedum

'Carl'

Stonecrop

Sedum

'Crazy Ruffles'

Stonecrop

Sedum

'John Creech'

Stonecrop

Sedum

'Maestro'

Stonecrop

Sedum

'Matrona'

Stonecrop

Sedum

'Mohrchen'

Stonecrop

*

Sedum

'Mr. Goodbud'

Stonecrop

*

Sedum

'Red Cauli'

Stonecrop

Sedum

'Rosy Glow'

Stonecrop

*

Sedum

'Sunset Cloud'

Stonecrop

Sedum

'Vera Jameson'

Stonecrop

Sedum

'Xenox'

Stonecrop

Sedum acre

Golden Carpet

Sedum album zz

'Murale' (Perennial)

Chubby Fingers Stonecrop

Sedum cauticola

'Lidakense'

Stonecrop

Sedum cauticola

'Mini ewersii'

Mini Stonecrop

Sedum dasyphyllum

Corsican Stonecrop

Sedum dasyphyllum

'Himalayan Skies'

Stonecrop

Sedum floriferum

'Weihenstephaner Gold'

Stonecrop

Sedum hispanicum minus

'Purple Form'

Tiny Buttons Sedum

Sedum selskianum

'Spirit'

Stonecrop

Sedum sieboldii

'Mediovariegatum'

Stonecrop

Sedum spectabile

'Brilliant'

Showy Stonecrop

Sedum spectabile

'Pink Chablis'

Stonecrop

Sedum spurium

'Dragon's Blood'

Two-row Stonecrop

Sedum spurium

'Voodoo'

Two-row Stonecrop

Sedum stoloniferium

'Green'

Stonecrop

Sedum telephium munstead

'Strawberries & Cream'

Sedum tetractinum

Sedumzz

'Purple Emperor'

Stonecrop

Sedumzzz

'Samuel Oliphant'

Stonecrop

Sempervivella alba

Sempervivum

'Braunii'

Hen & Chicks

Sempervivum

'Cobweb'

Hen & Chicks

Sempervivum

'Pilioseum'

Hen & Chicks

Sempervivum

'Purple Beauty'

Hen & Chicks

Sempervivum

'Red Beauty'

Hen & Chicks

Sempervivum

'Sanford Hybrids'

Hen & Chicks

Sempervivum calcareum monstrosum

'Red Tips'

*

Senna hebecarpa

Willd Senna

Sidalcea

'Luie'

Miniature Hollyhocks

Sidalcea

'Partygirl'

Prairie Mallow

Silene schafta

'Deep Rose'

Campion

Silene uniflora

'Druett's Variegated'

Variegated Maiden's Tears

*

Silene x robotii

'Rolly's Favorite'

Catchfly

Silphium perfoliatum

Cup Plant

Sisyrinchium angustifolium

'Lucerne'

Blue-eyed Grass

*

Sisyrinchium californicum

'Yellowstone'

Yellow-eyed Grass

Solidago

'Crown of Rays'

Goldenrod

Solidago hybrid

'Little Lemon'

Goldenrod

Solidago rugosa

'Fireworks'

Goldenrod

Spirea thunbergii

'Ogon'

Mellow Yellow Spirea

Stachys byzantina

'Big Ears'('Helen Von Stein')

Lamb's Ear

Stachys byzantina

'Silky Fleece'

Lamb's Ear

Stachys byzantina

species

Lamb's Ear

Stachys monieri

'Hummelo'

Common Betony

Statice latifolium

Sea Lavender Statice

Statice tataricum

German Statice

Stokesia laevis

'Blue Danube'

Stylophorum diphyllum

Wood Poppy

Syringa patula

'Miss Kim'

Lilac

Syringa vulgaris

'Yankee Doodle'

French Lilac

Talinum calycinum

Rock Rose

*

Tanacetum albipannosum

Silverleaf Tansy

Tanacetum coccineum

'Robinson's Crimson'

Painted Daisy

Thalictrum rochebrunianum

'Lavender Mist'

Meadow Rue

*

Tiarella

'Stargazer Mercury'

Foamflower

Tradescantia

'Bilberry Ice'

Spiderwort

Tradescantia

'Perinne's Pink'

Spiderwort

Tricyrits

'Imperial Banner'

Toad Lily

Tricyrtis formosana

'Samurai'

Toad Lily

Tricyrtis hirtazz

'Tojen'

Toad Lily

Trollius chinensis

'Golden Queen'

Globeflower

Verbascum

'Jackie'

Mullein

Verbascum

'Summer Sorbet'

Mullein

Verbascum bombyciferum

'Arctic Summer'