Scouler's fumeroot (Corydalis scouleri) Genus:  Corydalis This species has tiers of lacy foliage that form broad clumps, 3 feet high by 3 feet wide. Its hot pink flowers bloom from May to July. Noteworthy Characteristics:  Native to western North America, where it spreads to form dense colonies in moist soil and partially shaded sites. Care:  Thrives in damp shade. Propagation:  Sow seed when fresh; germination may be erratic; divide in fall. Problems:  Downy mildew, rust, aphids, slugs, snails; spider mites indoors.

Overview

Height 3 ft. to 6 ft. Spread 3 ft. to 6 ft. Growth Habit Spreads Growth Pace Moderate Grower Light Part Shade Only Moisture Medium Moisture Maintenance Low Characteristics Native, Showy Flowers Bloom Time Early Summer, Summer Flower Color Pink Uses Beds and Borders, Ground Covers, Naturalizing, Waterside Seasonal Interest Spring Interest Type Perennials