Sedum spurium 'Purple Winter'

Sedum telephium SEDUCTION CHERRY CHOCOLATE

Sedum telephium SEDUCTION ROSE CHARM

Sedum telephium SEDUCTION ROSÉ SOIRÉE

Sempervivum arachnoideum

Sesleria autumnalis

Sesleria caerulea

Sidalcea 'Partygirl'

Silene maritima

Silene schafta

Solidago 'Goldkind'

Solidago sphacelata 'Golden Fleece'

Sporobolus heterolepis

Stachys byzantina 'Big Ears'

Stachys byzantina 'Big Ears'

Stachys byzantina 'Silver Carpet'

Stachys officinalis

Stipa ichu

Stipa tenuissima 'Ponytails'

Stokesia laevis

Symphytum grandiflorum 'Wisley Blue'

Tanacetum 'Robinson's Red'

Tanacetum 'Robinson's Rose'

Tellima grandiflora