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Japanese Forest Poppy Wikimedia Commons
Papaveraceae

Japanese Forest Poppy

Hylomecon japonica

Gentle woodland light and quiet joy.

Family
Papaveraceae
Genus
Hylomecon
Native to
Japan, Korea, northeastern China
Bloom season
Spring
Type
herbaceous perennial
Height
20–30 cm
Sunlight
part shade to full shade
Soil
moist, humus-rich, well-drained woodland soil
Water
moderate
Hardiness
5–8
Lifespan
perennial

Did you know

  • The genus name Hylomecon means 'forest poppy' — from Greek 'hyle' (forest) and 'mekon' (poppy).
  • It is one of few true poppies that thrives in deep shade, lighting up dark woodland floors in spring.
  • The bright yellow four-petaled flowers are borne singly on slender stems above divided foliage.
  • It spreads slowly by rhizomes to form gentle colonies but is never invasive.
  • In Japanese gardens, it is valued as a shade ground cover that pairs beautifully with ferns and mosses.

Color meanings

Yellow

quiet happiness in shade

Uses

  • shade gardens
  • woodland gardens
  • ground cover
  • Japanese-style gardens