Growli

Overwintering guide

How to overwinter woolly bear begonia

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Woolly Bear Begonia is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside.

Winter watering

Cut watering right back — woolly bear begonia uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.

The mistake that kills woolly bear begonia in winter

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and woolly bear begonia rots from the base.

More woolly bear begonia care

Overwintering woolly bear begonia — FAQ

Does woolly bear begonia need to come indoors for winter?

Woolly Bear Begonia is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Woolly Bear Begonia is frost-tender, so overwintering means bringing it inside and letting it rest rather than pushing it to grow. Move it indoors well before the first frost, give it the brightest spot you have (light levels indoors drop sharply in winter), and keep it away from both cold window glass and hot radiators — the swing between the two does more damage than the cold itself.

When should I move woolly bear begonia for winter?

Bring indoors when nights start dropping below about 10°C, ahead of the first frost.

How often should I water woolly bear begonia in winter?

Cut watering right back — woolly bear begonia uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.

What kills woolly bear begonia over winter?

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and woolly bear begonia rots from the base.