Growli

Plant care

Hare's Foot Ferntemperature & humidity

Davallia canariensis

RHS H2USDA 9-11Pet-safe

More about hare's foot fern

Ideal temperature for hare's foot fern

Temperature kills fewer hare's foot fern plants than you'd think. What kills them is the micro-climate within a normal-temperature room — a leaf pressed against single-glazed winter glass, the hot dry updraft directly above a radiator, the cold blast from an AC vent. The thermostat reading at 13-24°C (55-75°F) is fine; the spot you put the plant in matters more. Below roughly 13°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.

Cold tolerance & winter care

Hare's Foot Fern is frost-tender (USDA 9-11 (indoor in most US and UK homes; can take brief cool spells), RHS H2). It cannot survive a frost, so in most of the US and UK it lives indoors year-round or summers outside and comes back in well before the first autumn frost — once nights drop toward 10-12°C is the cue, not the first frost warning. Acclimate it over a week when moving between indoors and out so the leaves do not shock.

Humidity for hare's foot fern

Hare's Foot Fern sits happiest at around 40-60% relative humidity. More tolerant of ordinary room humidity than most ferns, given its Mediterranean-island origin. Moderate humidity keeps the fronds lush; very dry air may crisp the tips, helped by a pebble tray or occasional misting. The usual low-humidity tell is crisp brown leaf tips and edges while the soil moisture is fine — a sign the air, not the watering, is the problem. If you need to raise it, the reliable methods are grouping plants together, standing the pot on a tray of damp pebbles (the pot above the waterline, never in it), or running a small humidifier in winter when indoor heating dries the air most. Misting is the least effective — it raises humidity for minutes, not hours.

Hare's Foot Fern temperature & humidity — frequently asked questions

What temperature is best for hare's foot fern?

Hare's Foot Fern grows best between 13-24°C (55-75°F). Keep it out of cold draughts, off freezing windowsills in winter, and away from the hot dry air directly above radiators — the extremes matter far more than the average room temperature.

How cold can hare's foot fern tolerate?

Hare's Foot Fern starts to suffer below roughly 13°C. It is frost-tender and will be damaged or killed by a frost, so bring it indoors once nights fall toward 10-12°C.

What humidity does hare's foot fern need?

Hare's Foot Fern prefers about 40-60% relative humidity. More tolerant of ordinary room humidity than most ferns, given its Mediterranean-island origin. Moderate humidity keeps the fronds lush; very dry air may crisp the tips, helped by a pebble tray or occasional misting.

How do I raise humidity for hare's foot fern?

Group it with other plants, stand the pot on a tray of damp pebbles (kept above the waterline), or run a small humidifier in winter. Misting only helps for a few minutes, so it is the weakest option for a plant that genuinely needs more humidity.

Can hare's foot fern live outside?

Hare's Foot Fern is rated for USDA zone 9-11 (indoor in most US and UK homes; can take brief cool spells) and RHS hardiness H2. Outside that range it must come indoors before the first frost — treat any outdoor stint as a summer holiday, not a permanent home.

More hare's foot fern care

In the UK? Keeping hare's foot fern warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full hare's foot fern care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.