Overwintering guide
How to overwinter polished air plant
Winter watering
Cut watering right back — polished air plant 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 polished air plant in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and polished air plant rots from the base.
More polished air plant care
Overwintering polished air plant — FAQ
Does polished air plant need to come indoors for winter?
Polished Air Plant is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Polished Air Plant 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 polished air plant for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water polished air plant in winter?
Cut watering right back — polished air plant uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills polished air plant over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and polished air plant rots from the base.