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Sulphur-Flower Buckwheat
Scientific Name: Eriogonum umbellatum Torr.
Synonym:
Family: Polygonaceae
Sulphur-Flower Buckwheat (Eriogonum  umbellatum)
Eriogonum umbellatum, courtesy Lockeford Plant Materials Center Photo Gallery
Recommended Temperature Zone:
sunset: All zones
USDA: 4-10

Sun Exposure: Full sun to part shade

Origin: Western North America

Growth Habits: Evergreen subshrub, low spreading plant, 4 to 18 inches tall (10-45 cm), 3 feet wide (90 cm)

Watering Needs: Low water use, needs good drainage, does not like humid climates

Propagation: Softwood cuttings


The Sulphur-Flower Buckwheat is a variable species. Depending on the seed origin the size as well as the cold resistance vary. 'Polianthum', also called 'Shasta Sulfur' is a relatively large, mounding variety, with abundant bright yellow flowers, hardy to USDA zone 5.

Blooming Habits:
The Sulphur-Flower Buckwheat bears long lasting bright sulfur yellow, to cream-colored, ball-like clusters of flowers fading to orange-yellow, on one foot long stalks, in late spring to summer.

Fruiting Habits:


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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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