Growli

Plant care

Anthurium Rotundistigmatemperature & humidity

Anthurium rotundistigma

RHS H1bUSDA 11-12Toxic to pets

More about anthurium rotundistigma

Ideal temperature for anthurium rotundistigma

Temperature kills fewer anthurium rotundistigma 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 20-29°C (68-84°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

Anthurium Rotundistigma is frost-tender (USDA 11-12 (indoor or greenhouse in the US and UK), 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 anthurium rotundistigma

Anthurium Rotundistigma sits happiest at around 70-90% relative humidity. A demanding rainforest aroid that needs consistently high humidity for healthy velvety foliage. In dry rooms it browns and stalls; many growers keep it in a greenhouse cabinet, terrarium or with a humidifier. 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.

Anthurium Rotundistigma temperature & humidity — frequently asked questions

What temperature is best for anthurium rotundistigma?

Anthurium Rotundistigma grows best between 20-29°C (68-84°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 anthurium rotundistigma tolerate?

Anthurium Rotundistigma 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 anthurium rotundistigma need?

Anthurium Rotundistigma prefers about 70-90% relative humidity. A demanding rainforest aroid that needs consistently high humidity for healthy velvety foliage. In dry rooms it browns and stalls; many growers keep it in a greenhouse cabinet, terrarium or with a humidifier.

How do I raise humidity for anthurium rotundistigma?

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 anthurium rotundistigma live outside?

Anthurium Rotundistigma is rated for USDA zone 11-12 (indoor or greenhouse in the US and UK) 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 anthurium rotundistigma care

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