Stylophorum diphyllum

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Plant types and subtypes: Perennials

Light Requirements: part-shade, shade

Water Use: medium, high

Soil Moisture: moist, wet

Soil Description: acid, neutral, rich, average, loam, clay

Height: 1'-2'

Bloom Time: March, April, May, June

Bloom Color: yellow

Leaf Color: green, blue-green

Hardiness Zone: 5, 6

Additional Tags: colonizing, naturalizing, ornamental foliage, pond margin plant, shade garden plant, stream margin plant, woodland plant

Stylophorum diphyllum (celandine poppy)
  • Stylophorum diphyllum (celandine poppy)
  • Stylophorum diphyllum (celandine poppy)
  • Stylophorum diphyllum (celandine poppy)
  • Stylophorum diphyllum (celandine poppy)

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Description

Stylophorum diphyllum

Also known as:

celandine poppy

,

yellow wood poppy

Scientific Synonyms:

Description

Stylophorum diphyllum is an attractive native poppy. It produces large yellow flowers that may be tinged with orange. These appear singly or in small clusters atop hairy stems to a height of 2 feet. The deeply divided, blue-green foliage will provide an interesting texture to the garden.

Cultivation

Celandine poppy is a lovely bloomer for woodland and shade gardens where its yellow flowers will brighten dark areas. It will grow best in humus-rich, acidic soil that receives ample moisture. This species will go dormant in summer, if allowed to dry out. Stylophorum diphyllum will bloom profusely in spring, and under optimum conditions, will have secondary blooms in late summer to early fall. Though this species self seeds readily, it is less aggressive and easier to control than commercially sold introduced poppy cultivars. Zones 5-6

Propagation

Propagate from seed in fall or by division in spring.

Additional Notes

The yellow sap that exudes from the stems was used as a dye by Native Americans, and can stain skin and clothing.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, DC, DE, GA, IL, IN, KY, MD, MI, MO, OH, PA, TN, VA, WV

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Magnoliidae
Order Papaverales
Family Papaveraceae Poppy family
Genus Stylophorum stylophorum
Species Stylophorum diphyllum celandine poppy