Anglestem buckwheat
Eriogonum angulosum
Last reviewed: August 2026
Toxicity unknown
Anglestem buckwheat (Eriogonum angulosum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
4"–20" H × 8"–16" W
Bloom
May, Jun, Jul, Aug, Sep
Native to
CA
Pollinators
bees, butterflies
Before you buy
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A branching annual buckwheat with small oval leaves clustered near the base and airy sprays of tiny white to pink flowers held on wiry, angled stems. It grows in dry open ground and disturbed sites.
Wildlife value
Host plant for acmon blue.
Buckwheats are exceptional pollinator plants, and this species serves as a documented larval host for the acmon blue butterfly.
Common questions
- How much sun does Anglestem buckwheat need?
- Anglestem buckwheat grows best in full sun conditions.
- When does Anglestem buckwheat bloom?
- Anglestem buckwheat blooms in May, June, July, August, and September.
- Where is Anglestem buckwheat native?
- Anglestem buckwheat (Eriogonum angulosum) is native to CA, per the World Checklist of Vascular Plants (Kew).
- What butterflies or moths does Anglestem buckwheat host?
- Anglestem buckwheat is a larval host plant for acmon blue.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Anglestem buckwheat? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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