Overwintering guide
How to overwinter pink spot begonia
Winter watering
Cut watering right back — pink spot 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 pink spot begonia in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and pink spot begonia rots from the base.
More pink spot begonia care
Overwintering pink spot begonia — FAQ
Does pink spot begonia need to come indoors for winter?
Pink Spot 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. Pink Spot 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 pink spot begonia for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water pink spot begonia in winter?
Cut watering right back — pink spot 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 pink spot begonia over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and pink spot begonia rots from the base.