Allium tolmiei var. tolmiei
Allium tolmiei var. tolmiei var. tolmiei
Tolmie's onion is a compact, bulbous perennial native to rocky and open slopes of the Pacific Northwest. Plant bulbs in well-drained soil in a sunny to partly shaded spot and water regularly during spring growth, then allow the plant to go dormant in summer. It requires minimal care once established and is best suited to rock gardens or naturalized wild plantings.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Fast
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
6″
Flowers
red
Watering Schedule
Every 7-10 Days During Active Growth; Reduce After Foliage Dies Back • Water Moderately Until Soil Is Evenly Moist; Allow Top Inch To Dry Between Waterings
Soil pH
6 – 8
Temperature
-40° – 95°F
Mature Spread
up to 36″
Root Depth
Medium
Foliage
Medium
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.