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