Plant care
Maranta-Leaved Globbatemperature & humidity
Globba marantina
More about maranta-leaved globba
Ideal temperature for maranta-leaved globba
Temperature kills fewer maranta-leaved globba 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 20–32°C (growing); minimum 12°C (68–90°F (growing); minimum 54°F) is fine; the spot you put the plant in matters more. Below roughly 20°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Maranta-Leaved Globba is frost-tender (USDA 9b–11, RHS H1b). 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 maranta-leaved globba
Maranta-Leaved Globba sits happiest at around 50–70% relative humidity. Tolerates lower humidity than many ginger relatives given its seasonally dry native habitat, though it still benefits from moderate ambient moisture. Avoid placing near dry, direct heat sources indoors. 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.
Maranta-Leaved Globba temperature & humidity — frequently asked questions
What temperature is best for maranta-leaved globba?
Maranta-Leaved Globba grows best between 20–32°C (growing); minimum 12°C (68–90°F (growing); minimum 54°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 maranta-leaved globba tolerate?
Maranta-Leaved Globba starts to suffer below roughly 20°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 maranta-leaved globba need?
Maranta-Leaved Globba prefers about 50–70% relative humidity. Tolerates lower humidity than many ginger relatives given its seasonally dry native habitat, though it still benefits from moderate ambient moisture. Avoid placing near dry, direct heat sources indoors.
How do I raise humidity for maranta-leaved globba?
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 maranta-leaved globba live outside?
Maranta-Leaved Globba is rated for USDA zone 9b–11 and RHS hardiness H1b. Outside that range it must come indoors before the first frost — treat any outdoor stint as a summer holiday, not a permanent home.
More maranta-leaved globba care
In the UK? Keeping maranta-leaved globba warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full maranta-leaved globba care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.