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