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Aconitum carmichaelii (Arendsii Group) 'Arendsii' (Monkshood 'Arendsii')
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1 hour care
per year
per year
1.2m
Max height
Max height
0.3m
Max spread
Max spread
2-5 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Aconitum carmichaelii (Arendsii Group) 'Arendsii'
Other names
Monkshood 'Arendsii', Aconitum fischeri 'Arendsii', Aconitum carmichaelii (Arendsii Group) 'Arendsii', Aconitum carmichaelii 'Arends', Wolfbane 'Arendsii', Monk's hood 'Arendsii'
Genus
Aconitum Aconitum
Variety or Cultivar
'Arendsii' _ 'Arendsii' is an erect, clump-forming, herbaceous perennial with leathery, lobed, ovate, dark green leaves and strong stems bearing dense, branched panicles of deep blue flowers in early and mid-autumn.
Aconitum carmichaelii (Arendsii Group) 'Arendsii' is: Deciduous
Habit
Clump-forming, Upright
Toxicity
All parts highly toxic if eaten; also harmful via the skin. Wear gloves when handling.
Awards
RHS AGM (Award of Garden Merit)
Flower
Dark-blue in Autumn
Foliage
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
Specific pests
Aphids Aphids
Powdery mildew , Verticillium wilt Powdery mildew , Verticillium wilt
General care
Pruning
Cut back in autumn.
Propagation
Propagate by division between autumn and spring. May be slow to re-establish.
Propagation methods
Division
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Where to grow
Aconitum carmichaelii (Arendsii Group) 'Arendsii' (Monkshood 'Arendsii') will reach a height of 1.2m and a spread of 0.3m after 2-5 years.
Suggested uses
Coastal, Flower Arranging, Beds and borders
Cultivation
Grow in cool, moist, fertile soil under partial shade. Will tolerate most soils and full sun if soil is improved with well-rotted organic matter and mulched.
Soil type
Clay, Loamy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
North, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Aconitum carmichaelii (Arendsii Group) 'Arendsii'
Other names
Monkshood 'Arendsii', Aconitum fischeri 'Arendsii', Aconitum carmichaelii (Arendsii Group) 'Arendsii', Aconitum carmichaelii 'Arends', Wolfbane 'Arendsii', Monk's hood 'Arendsii'
Genus
Aconitum Aconitum
Variety or Cultivar
'Arendsii' _ 'Arendsii' is an erect, clump-forming, herbaceous perennial with leathery, lobed, ovate, dark green leaves and strong stems bearing dense, branched panicles of deep blue flowers in early and mid-autumn.
Foliage
Deciduous
Habit
Clump-forming, Upright
Toxicity
All parts highly toxic if eaten; also harmful via the skin. Wear gloves when handling.
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
Dark-blue in Autumn
Foliage
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
Specific pests
Specific diseases
Powdery mildew , Verticillium wilt
General care
Pruning
Cut back in autumn.
Propagation
Propagate by division between autumn and spring. May be slow to re-establish.
Propagation methods
Division
Monthly care advice
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Where to grow
Aconitum carmichaelii (Arendsii Group) 'Arendsii' (Monkshood 'Arendsii') will reach a height of 1.2m and a spread of 0.3m after 2-5 years.
Suggested uses
Coastal, Flower Arranging, Beds and borders
Cultivation
Grow in cool, moist, fertile soil under partial shade. Will tolerate most soils and full sun if soil is improved with well-rotted organic matter and mulched.
Soil type
Clay, Loamy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
North, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | North, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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