Hibiscus palustris is a subspecies of Hibiscus moscheutos, a North American native wildflower. The large, pale pink flowers appear in late summer.
As the common name indicates, swamp rose mallow prefers rich, moist soil, but it can tolerate average garden soil with regular watering. Also known as Hibiscus moscheutos subsp. palustris. Hardy perennial in zones 5-9.
Sowing Hibiscus palustris Seeds:
Nick seeds with fingernail clippers, then soak in warm water for 24 hours. Sow indoors 8 weeks before the last frost date, 1/4" deep. Full sun to light shade. Spacing 3'. Store seeds in the fridge.