Hylomecon japonicum is a shade-tolerant, spring-flowering perennial from Japan used as a ground cover in woodland plantings. It flowers April to May and prefers partial shade to full shade. Plant in moist, well-drained, humus-rich soil with an acidic to neutral pH. It is H5 hardy in the UK.

Japanese wood poppy (Hylomecon japonicum) is a spring-flowering perennial for shady, humus-rich, moist soils in the UK.

Hylomecon is a genus of flowering plants in the family Papaveraceae. Its species are native to China, Korea, Japan and the Russian Far East.

Hylomecon japonicum

Japanese Wood Poppy (Hylomecon japonicum) | Shade Plant

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