Trillium chloropetalum var. giganteum
giant wake-robin
A rhizomatous herbaceous perennial with stout stems each bearing three broadly ovate leaves and an erect, stalkless deep maroon flower 5-10cm in length
Synonyms
Trillium sessile var. chloropetalum 'Giganteum'Trillium sessile 'Rubrum'
see moreTrillium chloropetalum subsp. giganteum
Trillium chloropetalum var. rubrum
Buy this plant
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, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Purple | Green | ||
---|---|---|---|---|
Summer | ||||
Autumn | ||||
Winter |
Position
- Full shade
- Partial shade
Aspect
West–facing or North–facing or East–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Melanthiaceae
- Native to GB / Ireland
- 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
- 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
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
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.