Overwintering guide
How to overwinter trembling brake fern
Winter watering
Cut watering right back — trembling brake fern 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 trembling brake fern in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and trembling brake fern rots from the base.
More trembling brake fern care
- Overwintering tremula pteris fern — the species this cultivar belongs to
- Full trembling brake fern care guide
- Trembling Brake Fern temperature range
- How often to water trembling brake fern
- How to prune trembling brake fern
- Common trembling brake fern problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering trembling brake fern — FAQ
Does trembling brake fern need to come indoors for winter?
Trembling Brake Fern is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it will not survive frost and needs to come inside. Trembling Brake Fern 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 trembling brake fern for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water trembling brake fern in winter?
Cut watering right back — trembling brake fern uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills trembling brake fern over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and trembling brake fern rots from the base.