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Overwintering guide

How to overwinter aglaonema white rajah

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Aglaonema White Rajah 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 — aglaonema white rajah 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 aglaonema white rajah in winter

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

More aglaonema white rajah care

Overwintering aglaonema white rajah — FAQ

Does aglaonema white rajah need to come indoors for winter?

Aglaonema White Rajah is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Aglaonema White Rajah 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 aglaonema white rajah for winter?

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

How often should I water aglaonema white rajah in winter?

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

What kills aglaonema white rajah over winter?

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