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