Corydalis Micrantha

Description

Corydalis Micrantha is a herbaceous perennial plant that belongs to the Fumariaceae family. It is also commonly known as the Golden Corydalis, Rock Harlequin, or Scrambled Eggs. This plant is native to western North America, particularly in the Sierra Nevada and Cascade Ranges. It is a popular choice for gardeners due to its bright yellow flowers that bloom from late spring to early summer.

Taxonomic Information

Domain	Eukarya
Kingdom	Plantae
Phylum	Magnoliophyta
Class	Magnoliopsida
Order	Ranunculales
Family	Fumariaceae
Genus	Corydalis

Appearance

Corydalis Micrantha has finely divided leaves that are fern-like in appearance. The leaves are bluish-green in color and can grow up to 10 inches long. The plant produces showy, bright yellow flowers that have a unique shape resembling a bird in flight. The flowers are held above the foliage on long, wiry stems that can reach up to 2 feet tall. Each flower has two spurs that point backward, giving it a distinctive appearance. The plant can grow up to 18 inches wide and has a spreading growth habit.

Care Guide

Water: Corydalis Micrantha prefers consistently moist soil, but avoid overwatering as it can lead to root rot. Water deeply once a week, and more frequently during hot, dry weather.Fertilization: Fertilize the plant in the spring with a balanced, slow-release fertilizer. Avoid fertilizing in the fall or winter.Soil: The plant prefers well-draining, slightly acidic soil that is rich in organic matter. It can tolerate a range of soil types, but avoid heavy clay soils.Sunlight: Corydalis Micrantha prefers partial shade to full shade, especially during the hottest part of the day. Too much direct sunlight can scorch the leaves and flowers.Hardiness Zones: The plant is hardy in USDA zones 5-8.

Common Pests & Diseases

Corydalis Micrantha is generally pest and disease-free. However, it is susceptible to root rot if overwatered or planted in poorly-draining soil. It can also be affected by aphids, which can be treated with insecticidal soap or neem oil.

Habitat

Corydalis Micrantha is native to western North America, particularly in the Sierra Nevada and Cascade Ranges. It grows in rocky, mountainous areas and is often found growing on talus slopes, rocky outcrops, and along stream banks. It is well-adapted to harsh growing conditions and can tolerate drought and cold temperatures.

Question and Answer

Q: Can Corydalis Micrantha grow in full sun?
A: While the plant can tolerate some direct sunlight, it prefers partial shade to full shade.Q: How often should I water Corydalis Micrantha?
A: Water the plant deeply once a week, and more frequently during hot, dry weather.Q: Is Corydalis Micrantha deer-resistant?
A: Yes, the plant is deer-resistant due to its bitter-tasting foliage.Q: Does Corydalis Micrantha attract pollinators?
A: Yes, the plant’s unique flower shape and bright yellow color attract a variety of pollinators, including bees and butterflies.

Related Plants

• Corydalis Elata
• Corydalis Aurea
• Corydalis Cheilanthifolia
• Corydalis Hendersonii

References

• “Corydalis Micrantha.” Missouri Botanical Garden. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=f500
• “Corydalis Micrantha.” Royal Horticultural Society. https://www.rhs.org.uk/plants/5920/i-corydalis-micrantha-i/details
• “Corydalis Micrantha.” Washington Native Plant Society. https://www.wnps.org/plants/corydalis-micrantha