Richweed
Collinsonia canadensis
Also known as: Horsebalm, Stoneroot
Lemon-scented foliage; airy panicles of small tubular yellow flowers with fringed lower lips. One of the few mints that thrives in deep shade. Stoneroot rhizome is a traditional herbal remedy.
- Family
- Lamiaceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 2–4 ft
- Spacing
- 1–3 ft apart
- Light
- part shade
- Soil moisture
- moist, wet
- Soil pH
- acidic, neutral
- Bloom
- July, August, September
- Bloom colors
- yellow
- Wildlife value
- pollinators, mammals, songbirds
- Landscape uses
- naturalizing
- Native states
- AL, CT, DC, DE, FL, GA, IL, IN, KY, LA, MA, MD, MI, MO, MS, NC, NH, NJ, NY, OH, PA, RI, SC, TN, VA, VT, WI, WV