PL. —Thermopsis villosaBotanical illustration — drop image
Peak bloom windowZone 6b · frost-offset weeks
Winter
Not in bloom
Spring
Peak bloom
Summer
Not in bloom
Fall
Not in bloom
Peak bloom
In bloom
Background
Care guide
SunFull sun to part shade
WaterLow to moderate; drought tolerant once established
SoilWell-draining, average to sandy; pH 5.5–7.0; fixes nitrogen
Spacing18–24 inches
Height36–72 inches
Zone4a – 8b
Native RegionAL, CT, GA, KY, MA, ME, NC, NH, NJ, NY, PA, SC, TN, VA, VT, WV
Direct sowFrost hardy