Growli

Overwintering guide

How to overwinter pelargonium 'mabel grey'

Verdict
Keep frost-free
When
Move under cover before the first hard frost; back outside after the last spring frost.
Hardiness
Pelargonium 'Mabel Grey' is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze.

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 pelargonium 'mabel grey' in winter

Bringing pelargonium 'mabel grey' 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 pelargonium 'mabel grey' care

Overwintering pelargonium 'mabel grey' — FAQ

Does pelargonium 'mabel grey' need to come indoors for winter?

Pelargonium 'Mabel Grey' is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Pelargonium 'Mabel Grey' 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 pelargonium 'mabel grey' for winter?

Move under cover before the first hard frost; back outside after the last spring frost.

How often should I water pelargonium 'mabel grey' in winter?

Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.

What kills pelargonium 'mabel grey' over winter?

Bringing pelargonium 'mabel grey' 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.