Plant care
Reichenbach's Masdevalliatemperature & humidity
Masdevallia reichenbachiana
More about reichenbach's masdevallia
Ideal temperature for reichenbach's masdevallia
Temperature kills fewer reichenbach's masdevallia 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 10–20°C; winter min 10°C, winter max 13°C; summer optimum 13–20°C; never exceed 25°C (50–68°F; winter min 50°F, max 55°F; summer optimum 55–68°F; max 77°F) is fine; the spot you put the plant in matters more. Below roughly 10°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Reichenbach's Masdevallia is frost-tender (USDA 11–12 (greenhouse/indoor only; endemic cool-cloud-forest species), RHS H1b (requires cool heated greenhouse; minimum 10°C)). 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 reichenbach's masdevallia
Reichenbach's Masdevallia sits happiest at around 75–80% relative humidity. Maintain 75–80% relative humidity throughout the year; a humidifier is often required indoors. Constant air movement is critical — without it, high humidity encourages fungal and bacterial leaf infections. 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.
Reichenbach's Masdevallia temperature & humidity — frequently asked questions
What temperature is best for reichenbach's masdevallia?
Reichenbach's Masdevallia grows best between 10–20°C; winter min 10°C, winter max 13°C; summer optimum 13–20°C; never exceed 25°C (50–68°F; winter min 50°F, max 55°F; summer optimum 55–68°F; max 77°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 reichenbach's masdevallia tolerate?
Reichenbach's Masdevallia starts to suffer below roughly 10°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 reichenbach's masdevallia need?
Reichenbach's Masdevallia prefers about 75–80% relative humidity. Maintain 75–80% relative humidity throughout the year; a humidifier is often required indoors. Constant air movement is critical — without it, high humidity encourages fungal and bacterial leaf infections.
How do I raise humidity for reichenbach's masdevallia?
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 reichenbach's masdevallia live outside?
Reichenbach's Masdevallia is rated for USDA zone 11–12 (greenhouse/indoor only; endemic cool-cloud-forest species) and RHS hardiness H1b (requires cool heated greenhouse; minimum 10°C). Outside that range it must come indoors before the first frost — treat any outdoor stint as a summer holiday, not a permanent home.
More reichenbach's masdevallia care
In the UK? Keeping reichenbach's masdevallia warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full reichenbach's masdevallia care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.