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open-flowered monk's hood | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

open-flowered monk's hood

Aconitum chasmanthum

Genus: Aconitum
Family: Ranunculaceae

About this plant

A columnar, herbaceous perennial, producing panicles of bright purple-blue, hooded flowers. These appear in late summer and autumn on stems up to 1.5m 5ft) high, above dark green, leathery, palmate to deeply-divided, lobed foliage.

Growing Information

Height

1-1.5 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoam

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

South FacingWest FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Best grown in moisture-retentive fertile soil in partial shade but sun and most soils are tolerated. Staking may be necessary

Pruning

Tall stems can be pruned down later in autumn when flowering is finished

Propagation

Divide every third year in autumn or late winter to maintain vigour, although plants can be slow to re-establish.

Pests

May be susceptible to aphids

Diseases

May be susceptible to fungal stem rot and Verticillium wilt.

Garden Uses

Uses

Ground CoverCottage InformalBanks Slopes

Planting Places

Outdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

1-1.5 Metres

Spread

0.5-1 Metres

Habit

Climbing

Time to Full Height

Five To Ten Years