Tricyrtis Hototogisu

RHS Plant Profile
Hototogisu toad lily

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A vigorous, dense and spreading rhizomatous perennial to 60cm tall, with arching, somewhat zig-zagging stems and ovate, stem-clasping leaves. In late summer and autumn it produces upward-facing, lilac-pink flowers with darker purple spotting. Grow in a woodland garden or shady border

Position

Full shade, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

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

Position

Full shade Partial shade
Aspect
East–facing or North–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)
H6

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
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
Correct

How to Grow

Cultivation

Grow in moist but well-drained, acidic to neutral, humus-rich soil in deep or partial shade. Mulch in winter

Propagation

Propagate by division in spring, or by sowing seed as soon as ripe in containers in a cold frame. In cold areas overwinter young plants in a cool greenhouse for their first winter

Suggested planting locations and garden types

  • Flower borders and beds
  • Ground cover

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free