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Aconitum napellus

Monkshood

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Key information

Plant type

Hardy perennial

Flower colour

Blue

Feature

Flowers

Hardiness

Hardy

Skill level

Beginner

photo by Marg Cousens, copyright GAP Photos (294135)

Plant details

A handsome plant with racemes of rich blue or purplish flowers, distinguished by their helmet-shaped upper-petal, in July and August. A useful for planting in the shade of trees, or in the back of a border. This attractive monkshood is a low maintenance alternative to delphiniums. The stems rarely need staking, and given that all parts of the plant are highly poisonous, pests tend to leave the foilage alone.

Family: Ranunculaceae

Genus: Aconitum

Species: napellus

Plant type: Hardy perennial

Flower colour: Blue

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Clay/heavy, Moist

Hardiness: Hardy

Skill level: Beginner

Height: 150cm

Spread: 30cm

Time to plant seeds: March to May

Time to divide plants: September to February

Flowering period: July to August


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