Polygonaceae
Eriogonum wrightii var. olanchense
Eriogonum wrightii var. olanchense var. olanchense
Also known as Eriogonum kennedyi var. olanchense
Flowering Plants · Native Plants · California Endemic · Buckwheat · Rare Native · Pollinator · Rock Garden · Xeriscape · Perennial · Eriogonum · Wildflower · Habitat Restoration
The Olancha buckwheat is a rare California endemic variety of Wright's buckwheat, best suited to dry, gravelly soils and open rocky habitats in well-drained garden settings. It is extremely low maintenance once established and seldom needs supplemental irrigation in a climate-appropriate garden. This slow-growing perennial is a specialist find for native plant enthusiasts and habitat restoration projects.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply but infrequently; allow soil to dry completely between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–8
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 18 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- White
- Foliage
- Grey · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- California
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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