Threeleaf Foamflower
Tiarella trifoliata
Threeleaf Foamflower is a perennial for edging, groundcover, suited to shade and partial shade and loam or acid soil, flowering Apr, May, Jun.
| Type | Perennial |
|---|---|
| Mature height | 40 cm |
| Spread | 40 cm |
| Aspect | shade and partial shade |
| Foliage | Deciduous |
| Hardiness | USDA 6a-9b, RHS H6 |
| Pollinator-friendly | Yes |
| Pet-safe | Yes |
Where to use it in a border
At around 40 cm, it sits best along the front edge, where a low, spreading habit reads best. Give it about 40 cm of room to spread, roughly 2 to the metre when planted in a drift. It is hardy across USDA zones 6a to 9b and rated H6 by the RHS, so check it suits your area before planting.
It appears in our lists of shade, acid soil, pollinator-friendly plants, pet-safe plants.
Border Builder uses Threeleaf Foamflower's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
Worth knowing
- It tolerates acid soil but dislikes shallow chalk.
- It tolerates a shaded, north-facing spot.
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Black Cohoshfor height behind it
- Cascade Oregon Grapeto edge in front
- Dusky cranesbill 'Samobor'to edge in front
- Foxglovefor height behind it
- Fringed Bleeding Heartto edge in front
- Lungwort 'Diana Clare'to edge in front
Garden styles
Shade cottage Wildlife garden Woodland
Sources
Bloom timing and hardiness drawn from: