Eriogonum umbellatum var. cognatum
Eriogonum umbellatum var. cognatum var. cognatum
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.
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Slow
Mature Height
18″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
15″
Flowers
yellow
Watering Schedule
Every 10-14 Days • Water Sparingly; Allow Soil To Dry Almost Completely Between Waterings
Soil pH
6.5 – 8
Temperature
-20° – 90°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Coarse
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.