Stratiotes aloides ( Water Soldier )

Aquatic perennial usually found submerged in slow-moving waters in Eurasia. Stalkless rosettes of linear, pointed, toothed, dark olive-green leaves rise to the surface when it is time to flower. Cup-shaped, white flowers, sometimes pink-tinted, bloom in midsummer. Female flowers are […]

Stokesia laevis ( Stokes’ Aster )

This tough, evergreen perennial has lance-shaped, basal leaves and powder blue, purplish-blue, or white Aster-like flowerheads held terminally on upright stems. Long lasting, they attract butterflies and make great cut flowers. Blue Danube is a tried and true favorite cultivar.

Stokesia laevis ( Blue Star )

Blue Star is a tough, evergreen perennial, to 18 inches wide, with lance-shaped, basal leaves and light blue and white, Aster-like, large flowerheads held terminally on upright stems, up to 24 inches tall. Long lasting, they attract butterflies and make […]

Stipa tenuissima ( Needle Grass )

Deciduous perennial grass with a tufted habit. Leaves are upright, narrow and linear, inrolled, and bright green. Feathery pendent panicles of greenish white spikelets that turn buff colored are produced throughout summer. Looks pretty when billowing in the breeze.

Stipa lasiogrostis ( Needle Grass )

Deciduous perennial grass with tufted habit and dense foliage. Leaves are arching, linear, and blueish green. Silvery, purple tinged panicles of spikelets are produced in summer. Sometimes referred to as Stipa calamagrostis.

Stipa calamagrostis ( Needle Grass )

Deciduous perennial with tufted habit and dense foliage. Leaves are arching, linear, and blueish green. Silvery, purple tinged panicles of spikelets are produced in summer. Sometimes referred to as Stipa lasiogrostis.

Stigmaphyllon ciliatum ( Stigmaphyllon )

Evergreen climber with thin, branching stems. Leaves are hairy, oval, and light green with ear-shaped lobes at the bases. Corymb-like racemes of bright yellow flowers with clawed, fringed petals bloom in the fall. In warm areas, grow over a pergola, […]

Stewartia ovata ( Mountain Stewartia )

Stewartia ovata is a large shrub to small tree, with spreading branches. Summer foliage is dark green changing to a dramatic orange to scarlet in fall. Large, showy, white flowers have 5 to 6 crimped petals, purple to white filaments, […]

Stewartia malacodendron ( Silky Stewartia )

Stewartia malacodendron is a large shrub, or small tree. It is summer blooming with showy white flowers, 3 inch diameter, purple filaments with blue stamens. The fruit is a woody ovoid capsule. Native to the Coastal Plain of the southeastern […]