Silphium integrifolium [sold as Rosinweed] Rosinweed
Flowers resemble small sunflowers and appear in corymb-like inflorescences. Each flower features yellow rays and a yellow center.
Medium green leaves are rough with finely serrated margins. Leaf shapes can range from lanceolate to ovate to elliptic.
Erect, hairy stems are sparsely clad with pairs of rough leaves.
A small, dry, flat, oval seed measures about 8-12 mm.
2-6' feet
1-3' feet
Best grown in average, medium moisture, well-drained soils.
