Rough Sunflower

Bright yellow flowers with 8-15 petals and a darker yellow center. Leaves are rough on one or both sides, and hairy underneath.

Sallow Sedge

Ornamental grass (sedge) with yellow-green seed heads that look like spiked corncobs.

Slender Blue Iris

Lavender to violet flowers with 3 small petals and 3 long sepals. The sepals have white patches that are tinged with yellow, and have dark veins.

Slender Mountain-Mint

Flower is white to pale pink. It has a tubular opening spreading into two lips, the lower lip having three lobes. Each flower has 2 purple anthers. The flowers are crowded in dense, branching, flat-topped heads.

Small Venus’ Looking Glass

Flowers range in color from blue-violet to pink-purple to lavender. They are star-shaped and have 5 white stamens. Flowers open one at a time.

Small’s Ragwort

Bright yellow flowers in branching flat-topped clusters with 20 or more individual flowers.

Smooth Ground-cherry

Yellow, funnel-shaped flowers with a slightly darker center. The stamens are blue. The plant leaves are large and are irregularly toothed. The leaves that surround the fruit look like a paper lantern.

Smooth Rose-Mallow

White to pink funnel-shaped flowers with a maroon center. Each flower lasts for a day.

Sourwood Tree

White, bell-shaped flowers on a slender, 4-8 inch long panicle.