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Overwintering guide

How to overwinter peruvian old man cactus

Verdict
Keep frost-free
When
Move under cover before the first hard frost; back outside after the last spring frost.
Hardiness
Peruvian Old Man Cactus 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 peruvian old man cactus in winter

Bringing peruvian old man cactus 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 peruvian old man cactus care

Overwintering peruvian old man cactus — FAQ

Does peruvian old man cactus need to come indoors for winter?

Peruvian Old Man Cactus is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Peruvian Old Man Cactus 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 peruvian old man cactus for winter?

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

How often should I water peruvian old man cactus in winter?

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

What kills peruvian old man cactus over winter?

Bringing peruvian old man cactus 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.