Overwintering guide
How to overwinter calathea micans
Winter watering
Cut watering right back — calathea micans 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 calathea micans in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and calathea micans rots from the base.
More calathea micans care
Overwintering calathea micans — FAQ
Does calathea micans need to come indoors for winter?
Calathea Micans is hardy to roughly USDA zone 11 — winter lows around 4°C. That means it will not survive frost and needs to come inside. Calathea Micans 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 calathea micans for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water calathea micans in winter?
Cut watering right back — calathea micans uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills calathea micans over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and calathea micans rots from the base.