Growli

Overwintering guide

How to overwinter dieffenbachia maculata exotica

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Dieffenbachia Maculata Exotica 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 maculata exotica 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 maculata exotica in winter

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

More dieffenbachia maculata exotica care

Overwintering dieffenbachia maculata exotica — FAQ

Does dieffenbachia maculata exotica need to come indoors for winter?

Dieffenbachia Maculata Exotica 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 Maculata Exotica 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 maculata exotica for winter?

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

How often should I water dieffenbachia maculata exotica in winter?

Cut watering right back — dieffenbachia maculata exotica 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 maculata exotica over winter?

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