Light. Grows in full sun to part sun.
Water. Needs moist to wet soil and does poorly in long dry spells. Water during South Florida's dry winters. It does not tolerate standing floodwater.
Soil and feeding. Grows in moist, sandy soil with little organic matter and adapts to soil pH. It needs little or no fertilizer.
Size. Grows 2–3 ft tall, taller than wide. It spreads into clumps over time.
Good to know. A Florida native of marshes and pinelands in Miami-Dade. It is a short-lived perennial that dies back in winter. Bumblebees and hummingbirds visit the flowers. It has low salt tolerance, so keep it away from salt spray.
Sources: Natives for Your Neighborhood (Institute for Regional Conservation): Physostegia purpurea · Florida Native Plant Society Plant Database: Physostegia purpurea
