Tricyrtis hirta 'Taiwan Atrianne'

RHS Plant Profile
Japanese toad lily 'Taiwan Atrianne'

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Japanese toad lily 'Taiwan Atrianne' RHS
Japanese toad lily 'Taiwan Atrianne' RHS
Herbaceous Perennial
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A clump-forming, deciduous perennial to 60cm tall with erect stems and hairy green leaves with light purple spotting. Upwards-facing, white, star-shaped flowers with deep purple spotting are produced from late summer to autumn

Position

Full shade, Partial shade

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full shade Partial shade
Aspect
East–facing or North–facing or West–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Liliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming, Columnar upright
Genus
Tricyrtis are rhizomatous perennials, sometimes stoloniferous, with erect or arching stems with alternate, sometimes 2-ranked leaves and star-shaped or bell-shaped flowers that may be solitary or in terminal or axillary clusters
Name Status
Accepted

How to Grow

Cultivation

Grow in moist but well-drained, humus rich soil in deeper or partial shade. Keep mulched to reduce drying out of the soil in summer and subsequent foliage damage. Well suited for woodland garden and shady borders

Propagation

Propagate by division in early spring

Suggested planting locations and garden types

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

Pruning

Cut back old stems as the plants die back for the winter

Pests

May be susceptible to damage by slugs and snails

Diseases

Generally disease-free