Polygonaceae
Eriogonum umbellatum var. cognatum
Eriogonum umbellatum var. cognatum var. cognatum
Also known as Eriogonum cognatum, Eriogonum umbellatum subsp. cognatum
Flowering Plants · Native Plants · Buckwheat · Arizona Native · Xeriscape · Drought Tolerant · Perennial · Pollinator Plant · Wildflower · Sandy Soil · Native Garden
This Arizona-native buckwheat variety is a slow-growing, low-maintenance perennial that thrives in hot, dry conditions with excellent drainage. It performs best in gravelly or sandy soils and requires minimal supplemental watering once established. Plant it in a xeriscape or native pollinator garden for season-long color with almost no upkeep.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water sparingly; allow soil to dry almost completely between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–8
- 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
- 15 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- Yellow
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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