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