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