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Corydalis lutea

Corydalis lutea
Yellow Corydalis

4,0/5
2 reviews
2 reviews
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1 reviews
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Lovely young plant that seems to thrive in the dry shade of tall coniferous trees. Hasn't stopped flowering since spring. I'm curious to see if it spreads next spring. Delicate little yellow flowers on delicate foliage of a beautiful vibrant green.

Christiane, 26/09/2020

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This plant carries a 12 months recovery warranty

More information

Shade-loving perennial with long, dense clusters of bright yellow flowers with green highlights.
Flower size
3 cm
Height at maturity
40 cm
Spread at maturity
50 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time February to March, September to October
Recommended planting time February to April, September to November
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Flowering time May to October
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Description

Corydalis lutea, the yellow corydalis, is a perennial shade plant sought after for its long flowering. A rounded shrub of fresh green foliage, on which dense clusters of bright yellow tubular flowers with green reflections appear from May to October. Its leaves are compound, consisting of three ovate and deeply lobed leaflets measuring about a dozen centimetres. In a warmer climate, the plant tends to go into dormancy during summer and blooms again in autumn.

Native to the southern Alps, Corydalis lutea is hardy, easy to grow, and forms large tufts of foliage 30 to 40 cm (12 to 16in) tall. It readily self-seeds even in the crevices of walls or damp cracks. It prefers humus-rich, well-drained, and not too dry soils, neutral to acidic, and particularly thrives at the base of shaded walls.

Perfect for brightening up a shady rock garden, Corydalis will thrive alongside Brunnera, foamflower, heuchera, or bleeding heart.

Corydalis lutea in pictures

Corydalis lutea (Flowering) Flowering
Corydalis lutea (Foliage) Foliage
Corydalis lutea (Plant habit) Plant habit

Flowering

Flower colour yellow
Flowering time May to October
Inflorescence Cluster
Flower size 3 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Deciduous
Foliage colour green

Plant habit

Height at maturity 40 cm
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Corydalis

Species

lutea

Family

Fumariaceae - Papaveraceae

Other common names

Yellow Corydalis

Origin

Alps

Planting and care

Corydalis lutea can be sown from September to March in a neutral to acidic, well-drained soil, preferably in a shady or semi-shady area. Watch out for slugs and snails in the spring. It often self-seeds in shaded rockeries, so you may need to stop it spreading.

Planting period

Best planting time February to March, September to October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Shaded rockery, Woodland edge
Type of use Border, Slope
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Partial shade, Shade
Soil pH Acidic, Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Well-drained.

Care

Pruning No pruning necessary
Disease resistance Very good
Overwinter Can be left in the ground
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