Previous species
Previous Species

Next Species
Next Species

Home Page

Order CD-ROMs from the site

Tell a Friend

Gardening Books

Gardening Catalogs


Sulphur-Flower Buckwheat
Scientific Name: Eriogonum umbellatum Torr.
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:

Sponsors: Michigan Bulb - 120 x 60 Lawns Banner! Gurney's 120 x 60 A

We do get a small commission out of these sponsors that helps financing the website.  Let us know if you are satisfied or dissatisfied of their services, since obviously we are trying to advertise only for reputable garden supply companies.  They might be helpful to get plants not generally available at the local garden center, getting a new and unusual gardening tool or get a discount Better Homes and Gardens magazine subscription.


Desert Tropicals Home Page | List of All the Plants | More in the Polygonaceae family | Tell your friends about this page

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.

1998-2005 Philippe Faucon, All Rights Reserved.