Overwintering guide
How to overwinter tiraque sulcorebutia
Winter watering
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
The mistake that kills tiraque sulcorebutia in winter
Bringing tiraque sulcorebutia into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.
More tiraque sulcorebutia care
Overwintering tiraque sulcorebutia — FAQ
Does tiraque sulcorebutia need to come indoors for winter?
Tiraque Sulcorebutia is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Tiraque Sulcorebutia will take cool conditions but not a hard freeze, so the aim is a frost-free winter rather than a warm one. An unheated greenhouse, porch, conservatory or bright garage all work well. Keep it cool, bright and on the dry side, and it will hold steady until growth restarts in spring.
When should I move tiraque sulcorebutia for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water tiraque sulcorebutia in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills tiraque sulcorebutia over winter?
Bringing tiraque sulcorebutia into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.