Growli

Overwintering guide

How to overwinter calathea compact star

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Calathea Compact Star 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 — calathea compact star 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 compact star in winter

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

More calathea compact star care

Overwintering calathea compact star — FAQ

Does calathea compact star need to come indoors for winter?

Calathea Compact Star 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 Compact Star 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 compact star for winter?

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

How often should I water calathea compact star in winter?

Cut watering right back — calathea compact star 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 compact star over winter?

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