Aconitum carmichaelii (Arendsii Group) 'Arendsii'


monk's hood 'Arendsii'
'Arendsii' forms a clump of erect stems bearing deeply divided leaves and spires of rich lavender-blue flowers in early and mid-autumn
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Green | |||
Autumn | Blue | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
North–facing or East–facing or West–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Ranunculaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- All parts are highly toxic if eaten, all parts may be harmful through skin contact. Wear gloves and other protective equipment when handling
- Genus
Aconitum can be herbaceous perennials or biennials with lobed leaves and racemes or panicles of showy, hooded flowers
- Name status
Accepted
How to grow
Cultivation
Best grown in moisture retentive fertile soil in partial shade but sun and most soils are tolerated. Staking may be necessary
Propagation
Divide every third year in autumn or late winter to maintain vigour, although plants can be slow to re-establish. Use gloves when handling plants as all parts are highly toxic
Suggested planting locations and garden types
- Cottage and informal garden
- Flower borders and beds
Pruning
Tall stems can be pruned down later in autumn when flowering is finished
Pests
Aphids may be troublesome
Diseases
Fungal stem rot and Verticillium wilt may occasionally be troublesome
Get involved
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