PL. —Physostegia virginianaBotanical illustration — drop image
Peak bloom windowZone 6b · frost-offset weeks
Winter
Not in bloom
Spring
Not in bloom
Summer
Peak bloom
Fall
Not in bloom
Peak bloom
In bloom
Background
Care guide
SunFull sun to part shade — 4+ hours daily
Water1 inch per week; moist soil preferred
SoilMoist to average; pH 5.5–7.0
Spacing18–24 inches
Height24–48 inches
Zone2b – 9a
Native RegionAL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV
Frost hardy