About

Peltoboykinia watanabei, Watanabe's peltoboykinia, is a clump-forming perennial to around 50 cm with deeply lobed, glossy-green leaves � often pink-tinged when young � held on long stalks attached near the leaf centre. Clusters of small, nodding, pale-yellow flowers with fringed petal tips are produced above the foliage in summer. A rewarding and ornamental plant for a shaded, moist woodland border.

About the genus

Peltoboykinia are clump-forming perennials with large, rounded, deeply lobed leaves and clusters of small, nodding, pale-yellow flowers in summer. Native to Japan, they are grown in shaded, moist woodland borders.

Growing conditions

SunlightPartial shade
Soil typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing, West-facing
ExposureSheltered
UK hardinessH6

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
Native toJapan (Shikoku, Kyushu)

Care notes

CultivationThrives in moist, humus-rich soil in partial or dappled shade; will tolerate almost full shade. Good for a shady border or woodland garden
PruningNo pruning required
PropagationPropagate by seed in spring, or by division in autumn or spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free