Stylophorum Species, Chinese Celandine Poppy
Stylophorumlasiocarpum

Family: Papaveraceae (pa-pav-er-AY-see-ee)
Genus: Stylophorum (sty-loh-FOR-um)
Species: lasiocarpum (las-ee-oh-KAR-pum)

Synonym:Chelidonium lasiocarpum

Synonym:Hylomecon lasiocarpum

Category
Perennials

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Partial to Full Shade

Foliage
Herbaceous

Foliage Color

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

Spacing
18-24 in. (45-60 cm)

Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

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 the rootball
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting
Bag seedheads to capture ripening seed
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored