Sulphur Buckwheat is a low-growing wildflower of western mountain and desert habitats, producing bright yellow flower clusters in summer that age to rust-red. It is one of the most important butterfly plants in western North America, serving as a larval host for dozens of hairstreak and blue butterfly species. The genus Eriogonum contains over 250 species.
Best time to see a Sulphur Buckwheat
The best time to see a Sulphur Buckwheat is June–July, when about 68% of U.S. sightings happen, based on 17,476 research-grade iNaturalist observations.
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