
Flower profile
Western roseroot
Rhodiola integrifolia
Western roseroot 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 June–August.
*iNaturalist research-grade observations, as of October 17, 2026.
Quick look
Rhodiola integrifolia is a species of flowering plant in the stonecrop family known by the common names ledge stonecrop, western roseroot, and king's crown. It is native to north-easternmost Russia, including Kamchatka, and western North America, where it grows in mountainous habitat in subalpine and alpine climates, including meadows, cliffs, and talus.
- It belongs to the Crassulaceae 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 13 states. USDA PLANTS
- NatureServe lists it as native to Colorado and Alaska. NatureServe
- In Colorado, most iNaturalist sightings of it in flower come in June–August. iNaturalist
- In Alaska, most iNaturalist sightings of it in flower come in June–July. iNaturalist
- iNaturalist has 2,946 research-grade sightings of it in Colorado, ranking #50 among the 110 flowers on our Colorado list. iNaturalist
- iNaturalist has 939 research-grade sightings of it in Alaska, ranking #48 among the 108 flowers on our Alaska list. iNaturalist
Western roseroot gift ideas
Handmade western roseroot 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.
-
Placeholder
Western roseroot art print
-
Placeholder
Western roseroot greeting card
-
Placeholder
Western roseroot mug
-
Placeholder
Western roseroot earrings
-
Placeholder
Western roseroot embroidery pattern
-
Placeholder
Western roseroot sticker
When does it bloom?
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
- Colorado
- No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead. NatureServe: S4, apparently secure in Colorado.
- 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
- Other states where NatureServe ranks it rare or missing: MN (S1), SD (S1). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)
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 Western roseroot in 13 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alaska, California, Colorado, Idaho, Minnesota, Montana, Nevada, New Mexico, New York, Oregon, Utah, Washington, Wyoming.
Colorado counties with USDA records: Boulder, Chaffee, Clear Creek, Dolores, Eagle, El Paso, Garfield, Gilpin, Grand, Gunnison, Hinsdale, La Plata, Lake, Larimer, Las Animas, Mesa, Mineral, Montezuma, Ouray, Park, Pitkin, Rio Grande, Routt, San Juan, San Miguel, Summit.
Alaska counties with USDA records: Aleutians East, Anchorage, Bethel, Chugach, Copper River, Denali, Dillingham, Haines, Juneau, Kenai Peninsula, Ketchikan Gateway, Kodiak Island, Lake and Peninsula, Matanuska-Susitna, Nome, North Slope, Northwest Arctic, Sitka, Southeast Fairbanks, Yakutat, Yukon-Koyukuk.
More Colorado flowers
Sources
- USDA, NRCS. PLANTS Database, profile RHIN11.
- iNaturalist, Rhodiola integrifolia: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Rhodiola integrifolia (lead quoted under CC BY-SA 4.0).
- Colorado: Colorado noxious weed lists A, B and C (8 CCR 1206-2, eff. May 15, 2025).
- Alaska: Alaska prohibited and restricted noxious weeds (11 AAC 34.020).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Rhodiola integrifolia (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Loren Cassin Sackett via iNaturalist · CC BY 4.0 · resized.


