Overwintering guide
How to overwinter mexican butterwort
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 mexican butterwort in winter
Bringing mexican butterwort 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 mexican butterwort care
- Overwintering mexican butterwort — the species this cultivar belongs to
- Overwintering mexican butterwort — our other guide for the same plant
- Full mexican butterwort care guide
- Mexican Butterwort temperature range
- How often to water mexican butterwort
- How to prune mexican butterwort
- Common mexican butterwort problems & fixes
Overwintering mexican butterwort — FAQ
Does mexican butterwort need to come indoors for winter?
Mexican Butterwort is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Mexican Butterwort 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 mexican butterwort for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water mexican butterwort in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills mexican butterwort over winter?
Bringing mexican butterwort 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.