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