Growli

Plant care

Bird's-nest Orchidtemperature & humidity

Neottia nidus-avis

RHS H6USDA 5-8Mildly toxic to pets

More about bird's-nest orchid

Ideal temperature for bird's-nest orchid

Aim for -15–20°C (5–68°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 growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.

Cold tolerance & winter care

Bird's-nest Orchid is comparatively hardy (USDA 5-8, RHS H6). Within that range it tolerates a cold dormant spell outdoors; outside it, grow it in a container you can move under cover or overwinter in a cool but frost-free spot. Hardiness assumes an established plant in well-drained soil — a wet, cold root zone kills far more plants than cold air alone.

Humidity for bird's-nest orchid

Bird's-nest Orchid sits happiest at around Moderate to high (50–80%) relative humidity. Thrives in the humid microclimate of closed-canopy woodland; high leaf-litter cover maintains the soil moisture and fungal activity the plant depends on. 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.

Bird's-nest Orchid temperature & humidity — frequently asked questions

What temperature is best for bird's-nest orchid?

Bird's-nest Orchid grows best between -15–20°C (5–68°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 bird's-nest orchid tolerate?

Bird's-nest Orchid starts to suffer below roughly -15°C. It tolerates a cold dormant period within USDA 5-8, but a wet cold root zone is more dangerous than cold air.

What humidity does bird's-nest orchid need?

Bird's-nest Orchid prefers about Moderate to high (50–80%) relative humidity. Thrives in the humid microclimate of closed-canopy woodland; high leaf-litter cover maintains the soil moisture and fungal activity the plant depends on.

How do I raise humidity for bird's-nest 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 bird's-nest orchid live outside?

Bird's-nest Orchid is rated for USDA zone 5-8 and RHS hardiness H6. Within that range it can stay outdoors; outside it, grow it in a moveable container and protect the roots from a wet, cold winter.

More bird's-nest orchid care

In the UK? Keeping bird's-nest 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 bird's-nest orchid care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.