- Category
- Forb / Wildflower
- Sun
- Full to Partial
- Soil moisture
- Medium to Medium-Dry
- Bloom time
- Jul–Sep
- Bloom color
- Yellow
About Whorled Rosin Weed
Whorled Rosin Weed is an elegant and refined member of the Silphium family, distinguished by its smooth stems and leaves that typically grow in tidy whorls of three or four. Standing between three and six feet tall, it produces a lovely display of yellow, daisy-like flowers from July into early autumn. This species is native to the eastern United States, where it is often found in open woodlands, savannas, and prairie edges. Its manageable size and attractive foliage make it a versatile choice for both formal native gardens and naturalized meadows. Whorled Rosin Weed is highly attractive to a variety of pollinators, including butterflies and long-tongued bees, yet it remains notably deer-resistant compared to other garden perennials. It performs best in full to partial sun and prefers average, well-drained soils. With its structural beauty and late-season bloom period, it serves as an excellent transitional plant between wooded areas and open sunny spaces, providing consistent color and wildlife support.
Native range
Native to 17 states:
County range map

Range map courtesy of BONAP (Biota of North America Program).
Have more questions on Whorled Rosin Weed?
the prairie farm FORUMWant to grow Whorled Rosin Weed?
Get a Quote
