Tiarella 'Iron Butterfly' (Foamflower) — spires of fragrant, creamy-white, star-shaped flowers from pink-tinted buds, over deeply lobed leaves with a dark purple-black central blotch. Evergreen, partial to full shade; tolerates full sun only if the soil stays consistently moist.
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🌿 Grown at our London nursery — collect in person or arrange local delivery
📦 Dispatched within 3 business days via Royal Mail
Product features
Botanical name: Tiarella 'Iron Butterfly'
Common name: Foamflower
Height: 25cm–30cm (up to 45cm in flower)
Spread: 30cm to 45cm
Foliage: Deeply lobed, finger-like green leaves with a dark purple-black central blotch
Flower: Spires of fragrant creamy-white star-shaped flowers from pink-tinted buds, late spring to early summer
Attractive to wildlife: Highly attractive to bees and hoverflies
Soil Type: Moist but well-drained, humus-rich soil
Drought tolerant: No, requires consistent moisture
Hardy: Fully hardy (RHS H6)
Position: Partial to full shade, sheltered woodland setting
Evergreen: Yes, semi-evergreen in cold winters
Suitable for: Woodland gardens, shady borders, ground cover, containers
Materials and care
Light: Partial to full shade, tolerates sun only if soil stays moist
Aspect: North-, east-, or west-facing, cool sheltered woodland
Soil type: Humus-rich, fertile soil
Drainage: Moist but well-drained, cannot survive permanent waterlogging
Watering: Medium needs, water regularly until established
End of season: No cutting back needed, rake fallen leaves in autumn
Fertiliser: Apply organic compost mulch each spring
Propagation: Lift and slice rooted runners in spring or autumn
