perennial

Rock Harlequin

Corydalis sempervirens

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Rock Harlequin (Corydalis sempervirens) at Minor's Garden Center

Rock Harlequin flowers

Rock Harlequin flowers

(Photo courtesy of NetPS Plant Finder)

Height:  16 inches

Spread:  16 inches

Sunlight:  partial shade  full shade 

Hardiness Zone:  4b

Other Names:  Pale Corydalis

Description:

This variety produces a profusion of delicate sprays of dainty pink flowers with yellow tips in spring, and will continue to bloom all summer; the soft blue-green foliage is airy and attractive; should be sited in cool, moist, partly shaded locations

Ornamental Features

Rock Harlequin has clusters of pink tubular flowers with yellow tips rising above the foliage from mid spring to early fall, which are interesting on close inspection. Its attractive lobed compound leaves remain bluish-green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Rock Harlequin is an herbaceous perennial with an upright spreading habit of growth. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Self-Seeding

Rock Harlequin is recommended for the following landscape applications;

  • Rock/Alpine Gardens
  • Border Edging
  • Naturalizing And Woodland Gardens

Planting & Growing

Rock Harlequin will grow to be about 16 inches tall at maturity, with a spread of 16 inches. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a medium rate, and tends to be biennial, meaning that it puts on vegetative growth the first year, flowers the second, and then dies. However, this species tends to self-seed and will thereby endure for years in the garden if allowed.

This plant does best in partial shade to shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This species is not originally from North America.

Sizes Available:

4.5" Cont. $5.99

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Rock  Edging  Naturalizing 
Applications
Flowers  Foliage Color  Texture 
Ornamental Features
Minor's Garden Center (414) 354-4830
7777 N. 76th St., Milwaukee, WI 53223
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