Overwintering guide
How to overwinter mountain turk's cap
Winter watering
Cut watering right back — mountain turk's cap 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 mountain turk's cap in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and mountain turk's cap rots from the base.
More mountain turk's cap care
Overwintering mountain turk's cap — FAQ
Does mountain turk's cap need to come indoors for winter?
Mountain Turk's Cap is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it will not survive frost and needs to come inside. Mountain Turk's Cap 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 mountain turk's cap for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water mountain turk's cap in winter?
Cut watering right back — mountain turk's cap uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills mountain turk's cap over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and mountain turk's cap rots from the base.