
Flower profile
Large-leaved avens
Geum macrophyllum
Large-leaved avens is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 2 states, and across the U.S. it's most often seen in bloom in April–August.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Alaska, Washington
Quick look
Geum macrophyllum, commonly known as largeleaf avens or large-leaved avens, is a perennial flowering plant native to Kamchatka, northern and central Japan, and North America, where it occurs from the Arctic south through the northern United States, extending along the Rocky Mountains to the Sierra Nevadas of California and as far south as Northwestern Mexico.
- It belongs to the Rosaceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) with a perennial life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 22 states. USDA PLANTS
- NatureServe lists it as native to Washington and Alaska. NatureServe
- In Washington, most iNaturalist sightings of it in flower come in April–August. iNaturalist
- In Alaska, most iNaturalist sightings of it in flower come in June–August. iNaturalist
- USDA PLANTS lists its flower color as yellow. USDA PLANTS
- USDA PLANTS gives its bloom period as late spring. USDA PLANTS
- USDA PLANTS lists a mature height of about 2 ft. USDA PLANTS
- iNaturalist has 3,738 research-grade sightings of it in Washington, ranking #41 among the 110 flowers on our Washington list. iNaturalist
- iNaturalist has 1,040 research-grade sightings of it in Alaska, ranking #44 among the 108 flowers on our Alaska list. iNaturalist
Large-leaved avens gift ideas
Handmade large-leaved avens gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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Large-leaved avens art print
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Large-leaved avens greeting card
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Large-leaved avens mug
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Large-leaved avens earrings
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Large-leaved avens embroidery pattern
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Large-leaved avens sticker
When does it bloom?
Bloom time in each of our 2 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Washington | Native | April–August | 3,738 |
| Alaska | Native | June–August | 1,040 |
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
- Washington
- No list Washington has no state law listing endangered or threatened plants (the Washington Natural Heritage Program's rare plant list isn't regulatory), so we show NatureServe's Washington ranks instead. NatureServe: SNR, not yet ranked in Washington.
- 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?
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.
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 large-leaved avens in 22 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alaska, Arizona, California, Colorado, Idaho, Maine, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Dakota, Oregon, South Dakota, Utah, Vermont, Washington, Wisconsin, Wyoming.
Washington counties with USDA records: Adams, Asotin, Benton, Chelan, Clallam, Clark, Columbia, Cowlitz, Ferry, Grays Harbor, Island, Jefferson, King, Kitsap, Kittitas, Klickitat, Lewis, Lincoln, Mason, Okanogan, Pacific, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Snohomish, Spokane, Stevens, Thurston, Wahkiakum, Walla Walla, Whatcom, Whitman, Yakima.
Alaska counties with USDA records: Aleutians East, Aleutians West, Anchorage, Bethel, Chugach, Copper River, Denali, Dillingham, Fairbanks North Star, Haines, Juneau, Kenai Peninsula, Ketchikan Gateway, Kodiak Island, Lake and Peninsula, Matanuska-Susitna, Nome, North Slope, Sitka, Southeast Fairbanks, Yakutat, Yukon-Koyukuk.
More Washington flowers
Sources
- USDA, NRCS. PLANTS Database, profile GEMA4.
- iNaturalist, Geum macrophyllum: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Geum macrophyllum (lead quoted under CC BY-SA 4.0).
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- Alaska: Alaska prohibited and restricted noxious weeds (11 AAC 34.020).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Geum macrophyllum (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Gavin Slater via iNaturalist · CC BY 4.0 · resized.


