Plant care
Strobel's Masdevalliatemperature & humidity
Masdevallia strobelii
More about strobel's masdevallia
Ideal temperature for strobel's masdevallia
Aim for Day 15–20°C; night 10–15°C; daily differential 10–13°C preferred (Day 59–68°F; night 50–59°F) on the thermostat and you've handled the easy part. The hard part is the half-metre around the plant: window glass that drops to near-freezing on a January night, a radiator pumping out hot dry air, a draught from an opened front door. Move the plant 30 cm and you've usually fixed the problem. Below roughly 15°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Strobel's Masdevallia is frost-tender (USDA 11–12 (greenhouse/indoor only), RHS H1b (requires 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 strobel's masdevallia
Strobel's Masdevallia sits happiest at around 80% relative humidity. Needs 80% relative humidity year-round. Strong, constant air movement is essential alongside high humidity to prevent fungal problems. A small oscillating fan running continuously around the clock is recommended. 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.
Strobel's Masdevallia temperature & humidity — frequently asked questions
What temperature is best for strobel's masdevallia?
Strobel's Masdevallia grows best between Day 15–20°C; night 10–15°C; daily differential 10–13°C preferred (Day 59–68°F; night 50–59°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 strobel's masdevallia tolerate?
Strobel's Masdevallia starts to suffer below roughly 15°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 strobel's masdevallia need?
Strobel's Masdevallia prefers about 80% relative humidity. Needs 80% relative humidity year-round. Strong, constant air movement is essential alongside high humidity to prevent fungal problems. A small oscillating fan running continuously around the clock is recommended.
How do I raise humidity for strobel'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 strobel's masdevallia live outside?
Strobel's Masdevallia is rated for USDA zone 11–12 (greenhouse/indoor only) and RHS hardiness H1b (requires 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 strobel's masdevallia care
In the UK? Keeping strobel'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 strobel's masdevallia care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.