Trillium kurabayashii
giant purple wake-robin
A clump-forming perennial, to 60cm tall, with egg-shaped green leaves, mottled purple and silver, reaching up to 22cm long and 17cm wide. In spring, single dark maroon flowers with three upright petals, up to 10cm long, are borne above the leaves
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Purple Red | Green Grey Silver Purple | ||
|---|---|---|---|---|
| Summer | Green Grey Silver Purple | |||
| Autumn | ||||
| Winter |
Position
- Full shade
- Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Melanthiaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- 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
- Oregon to California
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
Suggested planting locations and garden types
- Cottage and informal garden
- Low Maintenance
- Flower borders and beds
- Ground cover
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
Diseases
Generally disease-free
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