Kannah Creek Buckwheat

Eriogonum umbellatum var. aurem ‘Psdowns’
12-15 inches high x 12-24 inches wide
Zone 3
Full Sun to Part Shade


Plant Select® ’07 and a true Wyoming native! This mid-sized perennial puts on a glowing yellow show that turns orange as the flowers age during a May to July bloom season. These vigorous 12-15 inch tall by 12-24 inch wide plants adapt from xeric to moderately moist settings and tolerate conditions up to 10,000 feet! In autumn, the dark green leaves turn mahogany color and persist that way through winter.

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Throughout this site, the following are used as guidelines for watering established plants:

water_drops_icon  These truly xeric plants can live with our 12 inches of natural annual precipitation and only need a winter watering during a multi-year drought, but they will thrive with a monthly watering. Overwatering will kill some of these.
water_drops_iconwater_drops_icon  These plants are adapted to intermittent deep watering with soil drying to a depth of a few inches between waterings. Watering frequency may be every couple of weeks during the active growing season and maybe only one winter watering for optimal care.
water_drops_iconwater_drops_iconwater_drops_icon  These plants need regular watering somewhat like a bluegrass lawn so that they never dry to depth in the root system during the active growing season, and need occasional winter watering to prevent root dessication and resultant plant death.

About sizes of our plants:

Sizes indicated with a # are roughly the equivalent in gallonage; so a #2 is about a 2 gallon pot size; b&b stands for balled and burlapped.