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