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Herbaceous Perennial

Tricyrtis 'Tojen'

toad lily 'Tojen'

A robust, herbaceous perennial to 70cm tall, forming a clump of arching stems. Large, glossy dark green leaves, to 30cm, clasp the stems at alternating intervals. In late summer and early autumn it produces airy clusters of mauve-flushed, white flowers with yellow throats. Grow in a woodland garden or shady border

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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)

Botanical details

Family: Liliaceae
Native to the UK: 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: Accepted

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

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