Soil: Hydric (Moist) – Mesic (Medium)
Sun: Full Sun – Part Sun
Height: 2-4 feet
Bloom Color: Yellow
Bloom Season: August – October
Suggested Uses: Brown-eyed Susan is a showy wildflower with beautiful brown center disks and golden petals. It is a nice addition to semi-shaded rain gardens! The flowers will attract bees and butterflies and birds will eat the seeds. Grows well in clay.
Native Range: Native to the eastern half of the U.S. Minnesota is on the northern edge of the range for Brown-eyed Susan but it is native to a few counties in southern Minnesota. Hardy in zones 4-8.
Pollinators/Habitat: Bees, butterflies and other beneficial insects. Provides food and shelter for birds. Larval host for one species of Checkerspot butterfly.
Flowers: The flowers on R. triloba are much smaller (and more numerous) than those of other Rudbeckia species. The flower-heads are 1-2″ wide and have 6-10 petal-like ray flowers surrounding the cone-shaped cluster of head flowers. There are often 50-100 flower-heads per plant.
Leaves: The 3″-4″ leaves are coarsely toothed.
Name: The genus Rudbeckia is named for Olaf Rudbeck – botanist at the University in Upsala, Sweden.
Other Names: Thin-leaved Coneflower. Three-lobed Rudbeckia
More information: USDA plant profile