Chinese Celandine Poppy
Stylophorum lasiocarpum

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

Category:

Perennials

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)

Sun Exposure:

Partial to Full Shade

Danger:

Unknown - Tell us

Bloom Color:

Bright Yellow

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

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

This plant may be considered a protected species; check before digging or gathering seeds

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

Regional

This plant has been said to grow in the following regions:

Richmond, California

Baltimore, Maryland

Painted Post, New York

Bellingham, Washington

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On May 3, 2010, jbgregg from Baltimore, MD (Zone 7a) wrote:

Nice texture and color in the woodland garden in late spring/early summer. Much less invasive than its American cousin - other noted differences are a paler blossom, leaf shape, and seed pods that are vertical instead of drooping. Works well as single specimen or mass.