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Iris chrysographes 'Black Knight'

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Key information

Plant type

Hardy perennial

Flower colour






Skill level


photo by Claire Davies, copyright GAP Photos (48554)

Plant details

Few plants in the garden have flowers that could be truly described as black but this elegant Iris has remarkable flowers of inky purple, stained with gold. Flowers are held on slender stems above graceful arching foliage.

Family: Iridaceae

Genus: Iris

Species: chrysographes

Cultivar: Black Knight

Plant type: Hardy perennial

Flower colour: Black

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Clay/heavy, Acidic, Chalky/alkaline

Hardiness: Hardy

Skill level: Beginner

Height: 50cm

Spread: 30cm

Time to divide plants: October to March

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