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Herbaceous Perennial

Tradescantia (Andersoniana Group) 'Purple Dome'

spider lily 'Purple Dome'

A compact, clump-forming herbaceous perennial with stems of mid-green slightly fleshy leaves. Flowers are three petalled, deep purple with yellow stamens, and appear in clusters in summer and autumn

Synonyms

Tradescantia × andersoniana 'Purple Dome'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–facing

Exposure

Exposed or 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: Commelinaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming, Tufted
Potentially harmful: Skin allergen. Wear gloves and other protective equipment when handling
Genus: Tradescantia can be trailing or tufted perennials with usually fleshy, evergreen foliage and distinctive, 3-petalled flowers
Name status: Accepted

How to grow

Cultivation

Thrives in fertile, moist but well-drained soil. Flower production is better in full sun, but light afternoon shade is beneficial in areas with hot summers

Propagation

Propagate by division

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Flower borders and beds

Pruning

After flowering cut back stems to prevent seeding and to encourage further flowers and fresh growth.

Pests

May be susceptible to aphids, vine weevil, slugs and snails

Diseases

May be susceptible to fungal leaf spot and a rust

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