How to Grow Stylophorum

Stylophorum diphyllum

Stylophorum–commonly called Celandine poppy–is woodland perennial that produces clusters of saucer-shaped, four-petaled , poppylike flowers in shades of yellow or orange.

Stylophorum diphyllum is an 18-inch species native to the eastern United States. The deeply lobed, scallop -margined leaves form 12 inch wide mounds. The flowers are 1- to 2-inches wide and appear spring to summer.

Stylophorum is best grown in partial to full shade in humus-rich, moist soil. Where Stylophorum is happy it will self sow.

Stylophorum is a genus of 3 species of herbaceous perennials native to woodland in eastern North America and eastern Asia.

Get to Know Stylophorum

  • Plant type: Perennial
  • Growing zones and range: Zones 5-8
  • Hardiness: Hardy to Zone 5
  • Height and width: 12 inches (30cm) tall and wide
  • Foliage: Deeply lobed 8 to 12 inch leaves with scallopted margins
  • Flowers: Suacer-shaped, poppy-like, four-petaled, yellow or orange blossoms borne in terminal umbels
  • Bloom time: Spring and summer
  • Uses: Shade border, rock garden
  • Common name: Flaming poppy, Celandine poppy
  • Botanical name: Stylophorum
  • Family name: Papaveraceae
  • Origin: Woodlands in eastern North America and eastern Asia.
Styloporum diphyllum

Where to Plant Stylophorum

  • Plant Stylophorum in partial to full shade; plants will survive in full sun but can becom scorchted.
  • Grow Stylophorum in average to humus-rich soil.

When to Plant Stylophorum

  • Set container grown Stylophorum outdoors in spring or autumn.

Planting and Spacing Stylophorum

  • Space Stylophorum 12 inches (30cm) apart.

How to Water and Feed Stylophorum

  • Keep the soil evenly moist for Stylophorum.
  • Fertilize Stylophorum with an all-purpose organic fertilizer in spring.

Stylophorum Care

  • Stylophorum will self-sow and can become weedy it not watched.

Stylophorum Pests and Diseases

  • Stylophorum may be attacked by slugs and snails.

Stylophorum Propagation

  • Sow seed in containers in a cold frame in autumn.
  • Divide Stylophorum in spring; can be slow to re-establish.

Stylophorum Varieties to Grow

  • Stylophorum diphyllum, celandine poppy, flaming poppy. Perennial grows to 12 inches tall and wide; downy rosette-forming; deeply incised mid-green leaves; bright golden yellow flowr to 1 inch across; blooms in summer.

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