Aconitum carmichaelii 'Arendsii'


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Key information

Plant type

Hardy perennial

Flower colour






Skill level


photo by Marcus Harpur, copyright GAP Photos (59585)

Plant details

Monkshood are tall, stately plants with densely filled spires of large hooded flowers, azure-blue in the variety 'Arendsii'. From a distance they are easily mistaken for delphiniums, except that they flower several months later and are perfectly timed to fill the seasonal slump after the main bulk of summer perennials are over. Monkshood teams well with Japanese anemones to give the border a new lease of life well into autumn. Plants thrive in most garden soils and enjoy the light shade at the back of well filled borders. All parts of the plant are highly poisonous.

Family: Ranunculaceae

Genus: Aconitum

Species: carmichaelii

Cultivar: Arendsii

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: 180cm

Spread: 40cm

Time to plant seeds: March to April

Time to divide plants: October to February

Reader reviews


I have one of these plants for the first time, so it was nice to know the conditions that it will like, I hope it is hardy as I love the colour . don't mind if it's poisonous I haven't any small children to worry about, if I had I would remove it and pass it on to some one else.

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