Trillium rivale
brook wake robin
An herbaceous perennial to 12cm, the upright stems each bearing a whorl of three ovate leaves and a solitary terminal flower 3-4cm in width, with three ovate pinkish-white petals speckled purple near base
Size
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Pink White | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | ||||
| Winter |
Position
- Full shade
- Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Melanthiaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Trillium are rhizomatous, herbaceous perennials with erect stems bearing a whorl of ovate or diamond-shaped leaves, with one or more erect or nodding flowers borne at the stem apex
- Name status
Correct
- Plant range
- W United States
How to grow
Cultivation
Grow in deep, moist but well-drained, humus-rich, preferably acid to neutral soil in deep or partial shade. Mulch in autumn with leaf mould. See trillium cultivation
Propagation
Propagate by seed, in pots in a shady cold frame as soon as seed is ripe; takes 5-7 years to reach flowering size. Propagate rhizomes by division after flowering or cut out the growing point from the rhizome after flowering, which stimulates the formation
Suggested planting locations and garden types
- Cottage and informal garden
- Rock garden
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
Diseases
Generally disease-free
Get involved
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