Monkshood (Aconitum napellus ) | Perennials | Plants

Monkshood

Aconitum napellus

Common Name: Monkshood
Genus: Aconitum
Species: napellus

The term Aconitum is derived from the Greek for ‘dart’, a reference to how arrows were once dipped in the sap of Monkshood Aconites to improve the arrow’s potential to kill it’s target.

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Category: Perennials

Height: 1.50 m (150 cm)
Spread: 0.30 m (30 cm)

Hardiness: Hardy
Growth Rate: Average
Flowering Period: July and August
Foliage Type: Deciduous
Foliage Colour: Green
Flower Colour: Blue, Purple
Sun/Shade: Full sun or Partial shade
Soil Type: Normal/Loam or Clay/Heavy
Soil Moisture: Moist, but well drained
Features: Has interesting foliage

This stately monkshood produces erect spikes of hooded violet-blue flowers in mid and late summer above deeply divided dark green leaves. Although it will take some sun it is perfect for the back of a shady border where it needs little attention. The stems seldom need staking and since all parts of the plant are highly poisonous pests tend to leave them well alone.

Garden Care: Prepare an extra deep planting hole at least 45cm (18in) deep adding well-rotted organic matter to prevent the soil from drying out in summer. Always wear gloves when working with monkshood since all parts of the plant are poisonous and a potential skin irritant.