Bloomipedia
Woolly cranesbill (Geranium erianthum)
Photo: 66dodge via iNaturalist · CC BY 4.0 · resized

Flower profile

Woolly cranesbill

Geranium erianthum

Woolly cranesbill (Geranium erianthum) is a flowering plant in the Geraniaceae family, blooming mostly June–July across the U.S.

Native to Alaska

Woolly cranesbill is a wildflower. In Alaska it's most often seen in bloom in June–July.

1states where USDA records it
2,730AK sightings*
2,730U.S. sightings*

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

On our lists for: Alaska

Quick look

Geranium erianthum, the woolly geranium, is a flowering plant found in China, Japan, Russia, North America and England. Within its range, it is often known as "wild geranium" or "cranesbill", but note that these common names are also used for several other species within the genus Geranium.

  • It belongs to the Geraniaceae 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 June–July. iNaturalist
  • USDA PLANTS lists its flower color as purple. USDA PLANTS
  • USDA PLANTS gives its bloom period as early summer. USDA PLANTS
  • USDA PLANTS lists a mature height of about 3 ft. USDA PLANTS
  • iNaturalist has 2,730 research-grade sightings of it in Alaska, ranking #8 among the 121 flowers on our Alaska list. iNaturalist

When does it bloom?

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

Flowering records by month in Alaska (iNaturalist research-grade observations marked “Flowering”) (154 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: SNR, not yet ranked 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 woolly cranesbill in 1 states.

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, Haines, Juneau, Kenai Peninsula, Kodiak Island, Lake and Peninsula, Matanuska-Susitna, Sitka, Southeast Fairbanks, Yakutat, Yukon-Koyukuk.

Growing conditions

USDA PLANTS gives Woolly cranesbill a high shade tolerance and none drought tolerance. It is rated for soil pH 4.0 to 7.5 and winter lows down to -20 °F.

Shade tolerance
High
Drought tolerance
None
Soil pH range
4.0 to 7.5
Minimum temperature tolerated
-20 °F
Frost-free days needed (minimum)
120
Annual precipitation range
20 to 276 inches
Minimum root depth
12 inches
Salinity tolerance
None
Fertility requirement
Medium
Growth rate
Moderate
Lifespan
Short
Active growth period
Spring
Fruit or seed
Brown
Can be propagated by
bare root, container, cuttings, seed
Commercial availability
Routinely Available

From the USDA PLANTS characteristics data for GEER2. USDA ratings are general guidance for the species, not a guarantee for your garden.

Names, range and relatives

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

County records: USDA PLANTS lists it in 19 counties across 1 states; the most are in Alaska (19).

Other Geranium on Bloomipedia (8): Wild geranium, Herb robert, Carolina crane's-bill, Dove's-foot crane's-bill, Richardson's geranium, Sticky geranium, Pinewoods geranium, Shining crane's-bill.

More from the Geraniaceae family (11 on Bloomipedia; most observed first): Redstem stork's-bill, Mediterranean stork's-bill, Musk stork's-bill.

More Alaska flowers

Sources