
Flower profile
Western starflower
Lysimachia latifolia
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.
*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.
- 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 April–June. iNaturalist
- iNaturalist has 10,801 research-grade sightings of it in California, ranking #85 among the 110 flowers on our California list. iNaturalist
- iNaturalist has 5,229 research-grade sightings of it in Washington, ranking #26 among the 110 flowers on our Washington list. iNaturalist
- iNaturalist has 2,986 research-grade sightings of it in Oregon, ranking #52 among the 110 flowers on our Oregon list. iNaturalist
Western starflower gift ideas
Handmade western starflower 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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Western starflower art print
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Western starflower greeting card
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Western starflower mug
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Western starflower earrings
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Western starflower embroidery pattern
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Western starflower sticker
When does it bloom?
Bloom time in each of our 3 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| California | Native | April–June | 10,801 |
| Washington | Native | April–June | 5,229 |
| Oregon | Native | April–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?
None of the sources we checked (NC State Extension (no page for this plant)) 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 has no state-by-state distribution for this name, so we can't map it yet.
More California flowers
Sources
- USDA PLANTS: no profile matched this name.
- iNaturalist, Lysimachia latifolia: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Lysimachia latifolia (lead quoted under CC BY-SA 4.0).
- California: California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026).
- California: California noxious weed species (3 CCR § 4500).
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- Oregon: Oregon endangered and threatened plants (OAR 603-073-0070).
- Oregon: Oregon noxious weed quarantine, A and B weeds (OAR 603-052-1200).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Lysimachia latifolia (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Gavin Slater via iNaturalist · CC BY 4.0 · resized.


