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Eriogonum allenii

yellow buckwheat add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun

Water Use: low

Soil Moisture: dry

Soil Description: average, sand, gravel/rock

Height: 1'-2'

Bloom Time: July, August, September

Bloom Color: yellow

Leaf Color: green

Hardiness Zone: 6

Additional Tags: cut flowers, dried flowers, rock garden plant

Flowers of Eriogonum allenii (yellow buckwheat)
  • Flowers of Eriogonum allenii (yellow buckwheat)

Pricing & Availability


Eriogonum allenii

Also known as:

yellow buckwheat


shale barren buckwheat

Scientific Synonyms:


Yellow buckwheat is endemic to shale barrens of Virginia and West Virginia. It is one of a handful of Eastern species of the genus Eriogonum, which is native exclusively to North America. Most species are found in the Western US. It has oblong, woolly leaves in whorls The stems freely branch, with flat-topped clusters of numerous yellow flowers. It is long blooming.


Eriogonum allenii should be grown in full sun with excellent drainage. It is an ideal plant for rock gardens and well drained gravelly slopes. Cut back after flowering unless seed collection is desired. Long blooming from July to September. Zone 6


Propagate from seed, or by careful division in spring or early summer

Additional Notes

Good for cut flower arrangements, both fresh and dried.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:


Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Caryophyllidae
Order Polygonales
Family Polygonaceae Buckwheat family
Genus Eriogonum buckwheat
Species Eriogonum allenii yellow buckwheat