Polygonaceae
Eriogonum umbellatum var. ellipticum
Eriogonum umbellatum var. ellipticum var. ellipticum
Also known as Eriogonum umbellatum var. stellatum, Eriogonum umbellatum var. croceum, Eriogonum stellatum, Eriogonum umbellatum subsp. stellatum
Flowering Plants · Native Plants · Buckwheat · Eriogonum · Native Plant · Pacific Northwest · Rock Garden · Alpine · Pollinator · Mat-Forming · Perennial · Wildflower
Eriogonum umbellatum var. ellipticum is a compact, mat-forming buckwheat native to the Pacific Northwest mountains, producing cheerful clusters of yellow flowers that age to rusty orange over summer. Plant it in well-drained, gravelly or sandy soil in a rock garden or native plant border where it will thrive with little intervention. Once established, this slow-growing perennial is very low maintenance and highly attractive to native pollinators.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately; moisten the root zone and allow the soil to dry between waterings, especially in cooler months · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–8
- Temperature
- -40°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 3a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 3 ft
- Spacing
- 18 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Idaho, Montana, Oregon, Washington
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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