Flower profile
Black hawthorn
Crataegus douglasii
Black hawthorn is a flowering plant that USDA PLANTS lists as native in the lower 48 states. In Idaho it's most often seen in bloom in April–June.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Idaho
Quick look
Crataegus douglasii is a North American species of hawthorn known by the common names black hawthorn and Douglas' thornapple. It is most abundant in the Pacific Northwest.
- It belongs to the Rosaceae family. iNaturalist
- USDA PLANTS describes it as a shrub / a tree 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 Idaho. NatureServe
- In Idaho, most iNaturalist sightings of it in flower come in April–June. iNaturalist
- USDA PLANTS lists its flower color as white. USDA PLANTS
- USDA PLANTS gives its bloom period as mid spring. USDA PLANTS
- USDA PLANTS lists a mature height of about 15 ft. USDA PLANTS
- iNaturalist has 402 research-grade sightings of it in Idaho, ranking #99 among the 109 flowers on our Idaho list. iNaturalist
Black hawthorn gift ideas
Handmade black hawthorn 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
Black hawthorn art print
-
Placeholder
Black hawthorn greeting card
-
Placeholder
Black hawthorn mug
-
Placeholder
Black hawthorn earrings
-
Placeholder
Black hawthorn embroidery pattern
-
Placeholder
Black hawthorn sticker
When does it bloom?
In Idaho, most flowering sightings come in April–June.
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- G4 Apparently secure worldwide. NatureServe
- Idaho
- No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho ranks instead. NatureServe: SNR, not yet ranked in Idaho.
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: AK (SH). (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?
NC State Extension notes: “Fruit is edible raw or cooked. Pleasant flavor with a sweet and juicy succulent flesh. Desert fruit and used for making pies, preserves etc, and can be dried for later use.” NC State Extension
ASPCA's entry “Black Hawthorn” (Crataegus douglasii) lists it as non-toxic to dogs, cats and horses. Eating lots of any plant can still upset a pet's stomach. ASPCA
🌿 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 black hawthorn in 13 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alaska, California, Idaho, Michigan, Minnesota, Montana, Nevada, North Dakota, Oregon, South Dakota, Washington, Wisconsin, Wyoming.
Idaho counties with USDA records: Ada, Adams, Bannock, Bear Lake, Benewah, Boise, Bonner, Bonneville, Boundary, Camas, Clark, Clearwater, Custer, Elmore, Franklin, Fremont, Gem, Idaho, Kootenai, Latah, Lemhi, Nez Perce, Oneida, Owyhee, Power, Shoshone, Teton, Valley, Washington.
More Idaho flowers
Sources
- USDA, NRCS. PLANTS Database, profile CRDO2.
- iNaturalist, Crataegus douglasii: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Crataegus douglasii (lead quoted under CC BY-SA 4.0).
- Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Crataegus douglasii (global and state ranks).
- Edibility and toxicity: NC State Extension; ASPCA.
- Photo: Charles Swift via iNaturalist · CC BY 4.0 · resized.