Plant care
Wallis's Dragon Orchidtemperature & humidity
Dracula wallisii
More about wallis's dragon orchid
Ideal temperature for wallis's dragon orchid
Wallis's Dragon Orchid is comfortable in any room a person is comfortable in, roughly 7–18°C (day 13–18°C, night 7–12°C) (45–65°F (day 55–65°F, night 45–54°F)). The mistakes are micro-climates: a north-facing window on a frosty night, a south-facing windowsill in a summer heatwave, the standing draught between an opened kitchen door and the radiator behind it. Read the room around the plant, not the thermostat. Below roughly 7°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Wallis's Dragon Orchid is frost-tender (USDA 10b–11 (greenhouse/container only), 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 wallis's dragon orchid
Wallis's Dragon Orchid sits happiest at around 80–95% relative humidity. Must have cloud-forest-level humidity at all times. A cool greenhouse or dedicated cool-mist humidifier setup is required for success in cultivation. Constant air circulation is equally important to prevent rot. 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.
Wallis's Dragon Orchid temperature & humidity — frequently asked questions
What temperature is best for wallis's dragon orchid?
Wallis's Dragon Orchid grows best between 7–18°C (day 13–18°C, night 7–12°C) (45–65°F (day 55–65°F, night 45–54°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 wallis's dragon orchid tolerate?
Wallis's Dragon Orchid starts to suffer below roughly 7°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 wallis's dragon orchid need?
Wallis's Dragon Orchid prefers about 80–95% relative humidity. Must have cloud-forest-level humidity at all times. A cool greenhouse or dedicated cool-mist humidifier setup is required for success in cultivation. Constant air circulation is equally important to prevent rot.
How do I raise humidity for wallis's dragon orchid?
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 wallis's dragon orchid live outside?
Wallis's Dragon Orchid is rated for USDA zone 10b–11 (greenhouse/container only) 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 wallis's dragon orchid care
In the UK? Keeping wallis's dragon orchid warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full wallis's dragon orchid care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.