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Native Habitat:

Open rocky slopes, dry hillsides, and grasslands in western North America, including the Willamette Valley. Prefers well-drained, sandy or rocky soils.

 

Bloom Time:

June – September

 

Growth Habit & Mature Size:

Perennial herb or subshrub, 6–18 inches tall, forming low to mounded clumps. Produces basal, gray-green leaves and erect stems with flat-topped clusters of small yellow to yellow-green flowers.

 

Light & Soil Requirements:

Full sun; thrives in well-drained soils, including rocky or sandy substrates. Highly drought-tolerant and low-maintenance once established.

 

Willamette Valley Native Companion Plants:

Festuca roemeri, Camassia quamash, Achillea millefolium, Eriophyllum lanatum, Sidalcea campestris.

 

Urban Garden Function:

Adds texture, color, and vertical interest to rock gardens, urban meadows, and naturalized landscapes. Its long-lasting blooms provide aesthetic appeal and support pollinators in low-maintenance, drought-tolerant urban plantings.

 

Wildlife Supported:

Flowers attract native bees, butterflies, and other pollinators. Dense foliage and clumps offer shelter for small insects and beneficial arthropods.

 

Historical Use:

Used by Indigenous peoples for minor medicinal purposes and occasionally in basketry; valued for ornamental use in naturalized and habitat-focused plantings.

Eriogonum umbellatum | Sulpher Buckwheat

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