Growli

Overwintering guide

How to overwinter dieffenbachia sterling

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Dieffenbachia Sterling is hardy to roughly USDA zone 11 — winter lows around 4°C. That means it will not survive frost and needs to come inside.

Winter watering

Cut watering right back — dieffenbachia sterling 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 dieffenbachia sterling in winter

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

More dieffenbachia sterling care

Overwintering dieffenbachia sterling — FAQ

Does dieffenbachia sterling need to come indoors for winter?

Dieffenbachia Sterling is hardy to roughly USDA zone 11 — winter lows around 4°C. That means it will not survive frost and needs to come inside. Dieffenbachia Sterling 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 dieffenbachia sterling for winter?

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

How often should I water dieffenbachia sterling in winter?

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

What kills dieffenbachia sterling over winter?

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