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