Corydalis, Blue Corydalis, Blue Fumitory
Corydalisflexuosa 'China Blue'

Family: Papaveraceae (pa-pav-er-AY-see-ee)
Genus: Corydalis (kor-ID-ah-liss)
Species: flexuosa (fleks-yoo-OH-suh)
Cultivar: China Blue

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Light Shade

Foliage
Grown for foliage
Herbaceous
Smooth

Foliage Color

Height
12-18 in. (30-45 cm)

Spacing
12-15 in. (30-38 cm)

Hardiness
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Light Blue

Bloom Characteristics
Flowers are fragrant

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed