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Aconitum delphiniifolium (Larkspurleaf monkshood)
Le Duc, F. Alice

Aconitum delphiniifolium

Aconitum delphiniifolium DC.

Larkspurleaf Monkshood, Larkspur-leaf Monkshood, Northern Monkshood

Ranunculaceae (Buttercup Family)


USDA Symbol: ACDE2

USDA Native Status: AK (N), CAN (N)

The thin, straight stem of this perennial can reach 28 in. in height and is topped by a few-flowered cluster of dark blue, hooded flowers. Foliage is variable, but leaves are generally palmately cleft, shiny and few in number.


From the Image Gallery

6 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Blue
Bloom Time: Jun , Jul


Canada: AB , BC
Native Distribution: AK & w. Canada
Native Habitat: Meadows; thickets; stream banks

Growing Conditions

Light Requirement: Part Shade
Soil Description: Rich soils.
Conditions Comments: Because of the tall, thin stems, these plants need tall companions to remain upright. The typical subspecies is common throughout much of Alaska. The taller ssp. chamissonianum occurs from the Aleutians to coastal B.C. while ssp. paradoxum is a reduced, arctic/montane race.


Description: Propagate by seed or division. Seedlings take 2-3 years to flower.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

National Wetland Indicator Status

Status: FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Aconitum delphiniifolium in USDA Plants
FNA: Find Aconitum delphiniifolium in the Flora of North America (if available)
Google: Search Google for Aconitum delphiniifolium


Record Modified: 2016-09-23
Research By: TWC Staff

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