Alpine thistle
Carduus defloratus
Alpine thistle is a tough, low-maintenance perennial suited to well-drained, rocky, or lean soils in full sun to partial shade. It requires minimal watering once established and is particularly well adapted to cool mountain climates. Plant it in a naturalistic or wildflower garden where its spiny foliage and purple blooms can be enjoyed by pollinators.
Care Level
Low
Sun
Partial Sun
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 10-14 Days • Water Lightly; Allow Soil To Dry Between Waterings As It Tolerates Lean Conditions
Soil pH
7.5 – 8
Temperature
-25° – 85°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Medium
Propagation: Seed, Division
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Jul 14, 2018 by 1 (cc-by-sa)
No nurseries currently have this species in stock.