Alpine bastard-toadflax
Thesium alpinum
Alpine bastard-toadflax is a semi-parasitic alpine perennial that attaches to the roots of neighboring plants for nutrients, making it a challenging specialist plant to cultivate. It prefers well-drained, calcareous soils in full sun to partial shade and requires a suitable host plant nearby to thrive. Best suited for experienced growers interested in alpine or botanical gardens.
Care Level
High
Sun
Partial Sun
Water
Moderate
Growth Rate
Moderate
Mature Height
4″ – 12″
Soil
loam
Life Cycle
Perennial
Spacing
12″
Watering Schedule
Every 7-10 Days • Water Moderately; Keep Soil Evenly Moist But Not Waterlogged
Soil pH
7.5 – 8
Temperature
-40° – 85°F
Mature Spread
up to 18″
Root Depth
Shallow
Foliage
Medium
Propagation: Seed, Cutting
Native to
Attracts
Sources
Data: trefle
Image: trefle.io — Taken Jul 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)
No nurseries currently have this species in stock.