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