Overwintering guide
How to overwinter tasmanian holly fern
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills tasmanian holly fern in winter
Cutting tasmanian holly 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 tasmanian holly fern care
Overwintering tasmanian holly fern — FAQ
Does tasmanian holly fern need to come indoors for winter?
Tasmanian Holly Fern is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Tasmanian Holly 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 tasmanian holly fern for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water tasmanian holly fern in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills tasmanian holly fern over winter?
Cutting tasmanian holly 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.