Celandine-poppy
Stylophorum diphyllum
Last reviewed: August 2026
Stylophorum diphyllum (Celandine-poppy) is a native woodland forb producing bright yellow flowers in April and May. This shade-tolerant wildflower thrives in moist, partially shaded areas across eastern North America.
Toxicity unknown
Celandine-poppy (Stylophorum diphyllum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part shade
Water
medium
Size
12"–18" H × 12"–18" W
Bloom
Apr, May
Native to
AL, AR, DE, IL and 10 more states
Pollinators
bees, beetles
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Celandine-poppy is a woodland perennial that produces bright yellow, four-petaled flowers in spring above deeply lobed foliage. This compact native grows in neat clumps and goes dormant by midsummer, making it ideal for naturalizing under trees or in shaded garden beds.
Growing Celandine-poppy
Grow Celandine-poppy in part shade and medium water. Mature plants reach 12 to 18 inches tall and spread 12 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Celandine-poppy is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: foundation, mid zone.
- Goes completely dormant by midsummer leaving bare spots
- May self-seed and spread beyond original planting area
Wildlife value
The spring blooms provide nectar for native bees and beetles when few other flowers are available. The plant supports specialized insects that depend on native poppy family plants.
Common questions
- When does Stylophorum diphyllum bloom?
- Celandine-poppy blooms in April and May, producing bright yellow poppy-like flowers in spring woodland settings.
- What pollinators visit Stylophorum diphyllum?
- Bees and beetles are the primary pollinators of Celandine-poppy, attracted to its yellow spring flowers for nectar and pollen.
- Where is Stylophorum diphyllum native?
- Celandine-poppy is native to eastern North America, including Delaware and other eastern states, where it grows naturally in rich woodland soils.
- What growing conditions does Stylophorum diphyllum prefer?
- This woodland wildflower thrives in partial shade to full shade with medium to high moisture levels, making it ideal for naturalized shade gardens.
- Is Celandine-poppy HOA-friendly?
- Celandine-poppy is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Celandine-poppy? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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