PL. —Phlox pilosaBotanical 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
Good companions
Care guide
SunFull sun to part shade
WaterLow to moderate; drought-tolerant once established
SoilWell-draining, average to sandy; tolerates poor soils
Spacing12–18 inches
Height12–24 inches
Zone4a – 9b
Native RegionAL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, WI, WV
Frost hardy
Common problems
Powdery mildew
Symptoms
White or grey powdery coating on leaves — usually starting on older growth in humid conditions or when nights cool.
Treatment
Improve air circulation by thinning plants. Apply neem oil or potassium bicarbonate spray at first sign. Avoid overhead watering.