Aconitum napellus
monkshood
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 tolerate 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.
Combine with Hylotelephium 'Herbstfreude', and Pennisetum 'Hameln' for a dramatic, contemporary trio.
Although it will tolerate 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.
Combine with Hylotelephium 'Herbstfreude', and Pennisetum 'Hameln' for a dramatic, contemporary trio.
How to care for Aconitum napellus:
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.
Cut the flowering stem to within 15cm of the ground in the autumn to prevent it self seeding.
Always wear gloves when working with monkshood since all parts of the plant are poisonous and a potential skin irritant.
Cut the flowering stem to within 15cm of the ground in the autumn to prevent it self seeding.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
1.5m
Eventual spread:
0.3m
Position:
Full sun / light shade
Rate of growth:
Average
Soil:
Moderately fertile, moist, well-drained soil
Hardiness:
Fully hardy
-
This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.
-
Humans/Pets: TOXIC if eaten; avoid skin contact
9cm pot
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3 × 9cm pots
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