Plant care
Kacip Fatimahtemperature & humidity
Labisia pumila
More about kacip fatimah
Ideal temperature for kacip fatimah
Temperature kills fewer kacip fatimah 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 22–30°C (72–86°F) is fine; the spot you put the plant in matters more. Below roughly 22°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Kacip Fatimah is frost-tender (USDA 11–12, RHS H1a). 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 kacip fatimah
Kacip Fatimah sits happiest at around 70–90% relative humidity. Demands very high humidity reflecting its rainforest understory origin. Below 60% humidity causes leaf edge browning and curling. A pebble tray with water, regular misting, or ideally a plant cabinet or terrarium maintains adequate humidity. This is the most challenging aspect of cultivation. 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.
Kacip Fatimah temperature & humidity — frequently asked questions
What temperature is best for kacip fatimah?
Kacip Fatimah grows best between 22–30°C (72–86°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 kacip fatimah tolerate?
Kacip Fatimah starts to suffer below roughly 22°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 kacip fatimah need?
Kacip Fatimah prefers about 70–90% relative humidity. Demands very high humidity reflecting its rainforest understory origin. Below 60% humidity causes leaf edge browning and curling. A pebble tray with water, regular misting, or ideally a plant cabinet or terrarium maintains adequate humidity. This is the most challenging aspect of cultivation.
How do I raise humidity for kacip fatimah?
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 kacip fatimah live outside?
Kacip Fatimah is rated for USDA zone 11–12 and RHS hardiness H1a. Outside that range it must come indoors before the first frost — treat any outdoor stint as a summer holiday, not a permanent home.
More kacip fatimah care
In the UK? Keeping kacip fatimah warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full kacip fatimah care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.