Scouler's fumeroot

Corydalis scouleri

Photo/Illustration: 
Robin B. Cushman
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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 Yarrow
Uses
Beds and Borders,
Ground Covers,
Naturalizing,
Waterside
Seasonal Interest
Spring Interest
Type
Perennials

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