Growli

Overwintering guide

How to overwinter rayed prosthechea

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Rayed Prosthechea 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 — rayed prosthechea 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 rayed prosthechea in winter

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

More rayed prosthechea care

Overwintering rayed prosthechea — FAQ

Does rayed prosthechea need to come indoors for winter?

Rayed Prosthechea is hardy to roughly USDA zone 11 — winter lows around 4°C. That means it will not survive frost and needs to come inside. Rayed Prosthechea 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 rayed prosthechea for winter?

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

How often should I water rayed prosthechea in winter?

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

What kills rayed prosthechea over winter?

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