Tiarella 'Iron Butterfly'PBR (v)
foam flower 'Iron Butterfly'
A vigorous semi-evergreen perennial, to 40cm high in flower, forming a mound of deeply lobed green leaves with maroon-coloured markings along the veins. Small, starry white flowers open from pale pink buds, held on upright stems above the foliage in spring
Size
Ultimate height
0.1–0.5 metresTime 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 Red Purple | ||
|---|---|---|---|---|
| Summer | Green Red Purple | |||
| Autumn | Green Red Purple | |||
| Winter | Green Red Purple |
Position
- Full shade
- Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Saxifragaceae
- Native to GB / Ireland
- No
- Foliage
- Semi evergreen
- Habit
- Clump forming
- Genus
Tiarella are rhizomatous herbaceous perennials forming a clump of rounded, more or less palmately lobed leaves, with very small, star-shaped flowers in terminal panicles or racemes on erect stems
- Name status
Accepted
How to grow
Cultivation
Ideally grow in cool, moist, humus-rich soil, in partial or full shade, but can tolerate a range of soils. Protect from drought and excessive winter wet
Propagation
Propagate by division in spring.
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- Low Maintenance
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
May be susceptible to slugs and vine weevil
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.