Sanguisorba officinalis ‘Tanna’ (burnet ‘Tanna’)

Scilla mischtkenkoana (Tubergen squill)

Sesleria x ‘Greenlee Hybrid’ (Greenlee’s moor grass)

Solidago rugosa ‘Fireworks’ (rough goldenrod ‘Fireworks’)

Syneilesis aconitifolia (shredded umbrella plant)

Taenidia integerrima (yellow pimpernel)

Thalictrum dioicum (early meadow-rue)

Thalictrum ‘Black Stockings’

Trillium erectum (red trillium)

Trillium grandiflorum (large-flowered trillium)