Plant care
Lady Finger Bananatemperature & humidity
Musa acuminata 'Lady Finger'
More about lady finger banana
Ideal temperature for lady finger banana
Temperature kills fewer lady finger banana 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 18-30°C (65-86°F) is fine; the spot you put the plant in matters more. Below roughly 18°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Lady Finger Banana is frost-tender (USDA 9-11 outdoors; container/indoor in cooler zones, 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 lady finger banana
Lady Finger Banana sits happiest at around 50-70% relative humidity. Appreciates moderate to high humidity for lush leaves. In dry climates or heated rooms, leaf margins brown and mite pressure rises; mist or grow among other plants. 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.
Lady Finger Banana temperature & humidity — frequently asked questions
What temperature is best for lady finger banana?
Lady Finger Banana grows best between 18-30°C (65-86°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 lady finger banana tolerate?
Lady Finger Banana starts to suffer below roughly 18°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 lady finger banana need?
Lady Finger Banana prefers about 50-70% relative humidity. Appreciates moderate to high humidity for lush leaves. In dry climates or heated rooms, leaf margins brown and mite pressure rises; mist or grow among other plants.
How do I raise humidity for lady finger banana?
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 lady finger banana live outside?
Lady Finger Banana is rated for USDA zone 9-11 outdoors; container/indoor in cooler zones 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 lady finger banana care
In the UK? Keeping lady finger banana warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full lady finger banana care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.