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