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