Flower profile

Western starflower

Lysimachia latifolia

Western starflower (Lysimachia latifolia) is a flowering plant in the Primulaceae family, blooming mostly April–June across the U.S.

Western starflower is a flowering plant. It's on our flower lists for 3 states, and across the U.S. it's most often seen in bloom in April–June.

–states where USDA records it

3Bloomipedia state lists include it

19,042U.S. sightings*

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

On our lists for: California, Oregon, Washington

Quick look

Lysimachia latifolia, sometimes called Trientalis latifolia, is a species of flowering plant in the family Primulaceae. It is known as starflower, chickweed-wintergreen, or Pacific starflower.
From Wikipedia's article Lysimachia latifolia, CC BY-SA 4.0.

It belongs to the Primulaceae family. ^iNaturalist
NatureServe lists it as native to California, Washington and Oregon. ^NatureServe
In California, most iNaturalist sightings of it in flower come in April–June. ^iNaturalist
In Washington, most iNaturalist sightings of it in flower come in May–June. ^iNaturalist
iNaturalist has 10,801 research-grade sightings of it in California, ranking #85 among the 178 flowers on our California list. ^iNaturalist
iNaturalist has 5,229 research-grade sightings of it in Washington, ranking #27 among the 187 flowers on our Washington list. ^iNaturalist
iNaturalist has 2,986 research-grade sightings of it in Oregon, ranking #53 among the 184 flowers on our Oregon list. ^iNaturalist

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (2,908 records)

Bloom time in the 3 states whose Bloomipedia list includes it

State	Type	Peak bloom	Sightings*
California	Native	April–June	10,801
Washington	Native	May–June	5,229
Oregon	Native	May–June	2,986

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
California: Not listed Not on California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026). NatureServe: SNR, not yet ranked in California. ^{CNDDB listed plants (July 2026)}
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.
Oregon: Not listed Not on Oregon endangered and threatened plants (OAR 603-073-0070). NatureServe: SNR, not yet ranked in Oregon. ^{OAR 603-073-0070}
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)) 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.