Flower profile

Larkspurleaf monkshood

Aconitum delphiniifolium

Larkspurleaf monkshood (Aconitum delphiniifolium) is a flowering plant in the Ranunculaceae family, blooming mostly July–August across the U.S.

Native to Alaska

Larkspurleaf monkshood is a wildflower. In Alaska it's most often seen in bloom in July–August.

1states where USDA records it

1,980AK sightings*

1,980U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Alaska

Quick look

It belongs to the Ranunculaceae family. ^iNaturalist
USDA PLANTS describes it as an herb (forb) with a perennial life cycle. ^{USDA PLANTS}
NatureServe lists it as native to Alaska. ^NatureServe
In Alaska, most iNaturalist sightings of it in flower come in July–August. ^iNaturalist
iNaturalist has 1,980 research-grade sightings of it in Alaska, ranking #15 among the 121 flowers on our Alaska list. ^iNaturalist

When does it bloom?

In Alaska, most flowering sightings come in July–August.

Flowering records by month in Alaska (iNaturalist research-grade observations marked “Flowering”) (162 records)

Conservation status

Federal (U.S. ESA): Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. ^{USFWS ECOS}
NatureServe global: G5 Secure worldwide. ^NatureServe
Alaska: No list Alaska has no state law listing endangered or threatened plants, so we show NatureServe's Alaska ranks instead. NatureServe: S4, apparently secure in Alaska.
Rare elsewhere: No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records larkspurleaf monkshood in 1 states.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alaska.

Alaska counties with USDA records: Aleutians East, Aleutians West, Anchorage, Bethel, Bristol Bay, Chugach, Copper River, Denali, Dillingham, Fairbanks North Star, Haines, Juneau, Kenai Peninsula, Kodiak Island, Lake and Peninsula, Matanuska-Susitna, Nome, North Slope, Northwest Arctic, Sitka, Southeast Fairbanks, Yakutat, Yukon-Koyukuk.

Names, range and relatives

Native status by region (USDA PLANTS): Alaska: Native; Canada: Native.

County records: USDA PLANTS lists it in 23 counties across 1 states; the most are in Alaska (23).

Other Aconitum on Bloomipedia (1): Columbian monkshood.

More from the Ranunculaceae family (48 on Bloomipedia; most observed first): Lesser celandine, Rue anemone, Red columbine, Wood anemone, Western columbine, Marsh marigold, White baneberry, Round-lobed hepatica.

More Alaska flowers

Red baneberry

Actaea rubra

Native

🌼 Few flowering records in AK

Western columbine

Aquilegia formosa

Native

🌼 Blooms in AK: June–July

One-flowered anemone

Anemonastrum sibiricum

Native

🌼 Few flowering records in AK

Sources

USDA, NRCS. PLANTS Database, profile ACDE2.
iNaturalist, Aconitum delphiniifolium: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
Alaska: Alaska prohibited and restricted noxious weeds (11 AAC 34.020).
USFWS, ECOS species database (ESA listing check), October 17, 2026.
NatureServe Explorer, Aconitum delphiniifolium (global and state ranks).
Edibility and toxicity: no source found (marked "not well documented").
Photo: Gianmaria Bonari via iNaturalist · CC BY 4.0 · resized.