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