Astragalus purshii var. ophiogenes
Astragalus purshii var. ophiogenes var. ophiogenes
This rare variety of Pursh's milkvetch is native to Idaho and Oregon and is best grown in naturalistic or restoration plantings that mimic its native sagebrush and open woodland habitats. Provide well-draining, gritty or loamy soil with partial shade and regular moisture during spring and summer. It is not suited for indoor cultivation and demands specialist horticultural knowledge to maintain successfully.
Care Level
High
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
8″ – 16″
Soil
loam
Life Cycle
Perennial
Spacing
12″
Flowers
white
Watering Schedule
Every 7-10 Days During Growing Season • Water Moderately; Keep Soil Evenly Moist But Never Waterlogged
Soil pH
5.6 – 7.5
Temperature
-40° – 85°F
Mature Spread
up to 12″
Root Depth
Deep
Foliage
Fine
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.