Overwintering guide
How to overwinter bolus' stomatium
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 bolus' stomatium in winter
Bringing bolus' stomatium 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 bolus' stomatium care
Overwintering bolus' stomatium — FAQ
Does bolus' stomatium need to come indoors for winter?
Bolus' Stomatium is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Bolus' Stomatium 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 bolus' stomatium for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water bolus' stomatium in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills bolus' stomatium over winter?
Bringing bolus' stomatium 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.