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Stylophorum diphyllum (Celandine Poppy)

Celandine Poppy, Yellow Wood Poppy

Stylophorum diphyllum, Celandine Poppy, Yellow Wood Poppy, Yellow Flowers, Yellow Perennials
Stylophorum diphyllum, Celandine Poppy, Yellow Wood Poppy, Yellow Flowers, Yellow Perennials

Brightening shady areas, Stylophorum diphyllum (Celandine Poppy) is a showy clump-forming perennial boasting charming clusters of brilliant yellow poppy-like flowers, to 2 in. across (5 cm), in early-mid spring. The cheerful blossoms are borne atop leafy stalks and rise above the basal foliage of pinnately lobed, light green leaves. They give way to small pods with interesting long white hairs. A great naturalizer, Celandine Poppy self-seeds readily. If left undisturbed, it will colonize large areas and cover the ground with a sea of yellow. The plant may go dormant and its foliage disappear by late summer if it is not grown in consistently moist soils. A beautiful plant for the shaded, moist garden.

  • Grows up to 12-18 in. tall (30-45 cm) and 10-12 in. wide (25-30 cm).
  • Prefers part shade to full shade in average, medium to wet soils.
  • Excellent choice for woodland gardens, cottage gardens, rain gardens, wildflower gardens. Requires moisture throughout summer, leaves will wither and turn yellow during drought.
  • No serious pest or disease issues.
  • Propagate by seed or division. Divide large rhizomes with many eyes, leaving two eyes in each division.
  • Native to eastern North America.

Requirements

Hardiness 4 - 9
Heat Zones 1 - 8
Plant Type Perennials
Plant Family Papaveraceae
Common names Celandine Poppy
Exposure Partial Sun, Shade
Season of Interest Spring (Early, Mid)
Height 1' - 2'
(30cm - 60cm)
Spread 10" - 1'
(25cm - 30cm)
Spacing 12" (30cm)
Maintenance High
Water Needs Average, High
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Moisture Retentive
Characteristics Showy
Native Plants United States, Pennsylvania, Delaware, Maryland, Southeast, Midwest, Northeast, Missouri, Michigan, Ohio, Indiana, Illinois, Tennessee, Virginia, West Virginia, Alabama, Arkansas, Georgia, Kentucky
Tolerance Full Shade, Wet Soil
Garden Uses Ponds And Streams, Rain Gardens
Garden Styles Informal and Cottage, Prairie and Meadow
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Recommended Companion Plants

Phlox divaricata (Woodland Phlox)
Trillium grandiflorum (White Trillium)
Sanguinaria canadensis (Bloodroot)
Dicentra eximia (Fringed Bleeding Heart)
Mertensia virginica (Virginian Bluebells)
Aquilegia canadensis (Canadian Columbine)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 4 - 9
Heat Zones 1 - 8
Plant Type Perennials
Plant Family Papaveraceae
Common names Celandine Poppy
Exposure Partial Sun, Shade
Season of Interest Spring (Early, Mid)
Height 1' - 2'
(30cm - 60cm)
Spread 10" - 1'
(25cm - 30cm)
Spacing 12" (30cm)
Maintenance High
Water Needs Average, High
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Moisture Retentive
Characteristics Showy
Native Plants United States, Pennsylvania, Delaware, Maryland, Southeast, Midwest, Northeast, Missouri, Michigan, Ohio, Indiana, Illinois, Tennessee, Virginia, West Virginia, Alabama, Arkansas, Georgia, Kentucky
Tolerance Full Shade, Wet Soil
Garden Uses Ponds And Streams, Rain Gardens
Garden Styles Informal and Cottage, Prairie and Meadow
How Many Plants
Do I Need?

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