Overwintering guide
How to overwinter hartford climbing fern
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills hartford climbing fern in winter
Cutting hartford climbing fern hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.
More hartford climbing fern care
- Overwintering american climbing fern — the species this cultivar belongs to
- Full hartford climbing fern care guide
- Hartford Climbing Fern temperature range
- How often to water hartford climbing fern
- How to prune hartford climbing fern
- Common hartford climbing fern problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering hartford climbing fern — FAQ
Does hartford climbing fern need to come indoors for winter?
Hartford Climbing Fern is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Hartford Climbing Fern is properly hardy and overwinters outside without fuss. Tidy away anything dead or diseased, apply a mulch over the crown to steady soil temperatures, and otherwise leave it alone — many hardy plants actually need a cold period to flower and grow well the following year. Save hard pruning for the right season rather than doing it in autumn.
When should I move hartford climbing fern for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water hartford climbing fern in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills hartford climbing fern over winter?
Cutting hartford climbing fern hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.