Tanakaea radicans
Japanese foam flower
A compact evergreen perennial, to 10cm high, with spreading rhizomes and basal rosettes of oval to broadly lance-shaped, leathery green leaves with serrated edges. Slender stems bear sprays of tiny, densely packed star-shaped white flowers in late spring and early summer
Buy this plant
Size
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White | Green | ||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full shade
- Partial shade
Aspect
West–facing or East–facing or North–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Saxifragaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Name status
Correct
How to grow
Cultivation
Grow in moist, humus-rich soil in full or partial shade, ideal for a woodland garden or a cool, shady corner of a rockery
Propagation
Propagate by division, separating rooted portions of rhizome in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Rock garden
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.