Trillium albidum

RHS Plant Profile
giant white wake-robin

Save a plant

Where do you want to save Trillium albidum?

Plants I own
Wishlist
Go to My Plants
giant white wake-robin RHS
giant white wake-robin RHS
Award of Garden Merit
Herbaceous Perennial
Buy this from Plant Nurseries
4 Suppliers

A slow-growing perennial. White, flame-shaped flowers are held without stalks above a collar of ovate leaves and larger, veined and rounded green leaves in spring. Sometimes flowers are flushed pale red or purple at the base. Plants become dormant by midsummer

Position

Full shade, Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full shade Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical 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
USA

How to Grow

Cultivation

Grow in deep, moist but well-drained, humus-rich, preferably acid to neutral soil in deep or partial shade. Mulch with leaf mould. See trillium cultivation

Propagation

Propagate by seed in pots in a shady cold frame as soon as it is ripe. May take two seasons to geminate and several years to reach flowering size. Propagate by division after flowering or by removing small segments of rhizomes, potting up and nurturing

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free