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