Eriogonum umbellatum var. covillei

Eriogonum umbellatum var. covillei var. covillei

var. covillei

Eriogonum

Polygonaceae

Flowering Plants

Zone 4–10

🐾 Pet-Safe

🌱 Beginner Friendly

Coville's sulfur buckwheat is a rare California endemic variety of Eriogonum umbellatum suited to well-drained, rocky soils in open chaparral and montane habitats. It performs best in full sun to part shade and requires little water once established, making it ideal for low-water native and xeriscape gardens. This specialist plant is a wonderful choice for dedicated native plant enthusiasts seeking to support local pollinators.

Care Requirements

Care Level

Low

Sun

Partial Shade

Water

Moderate

Growth Rate

Slow

Mature Height

12″ – 36″

Soil

rocky

Life Cycle

Perennial

Spacing

24″

Watering Schedule

Every 10-14 Days During Growing Season • Water Deeply But Infrequently; Allow Soil To Dry Completely Between Waterings

Soil pH

6.5 – 8

Temperature

-25° – 100°F

Mature Spread

up to 24″

Root Depth

Deep

Foliage

Coarse

Ecology & Origin

Native to

California

Attracts

🐝 Bees

🐝 Butterflies

🐝 Moths

Safety & Use

⚕ Medicinal

🐾 Pet-safe

Sources

Data: trefle, usda

Hardiness Zones

Check your zone:

Available From (0)

No nurseries currently have this species in stock.