Plant care
Maidenhair Treetemperature & humidity
Ginkgo biloba
More about maidenhair tree
Ideal temperature for maidenhair tree
Maidenhair Tree is comfortable in any room a person is comfortable in, roughly -25 to 30°C (-13 to 86°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 -25°C growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.
Cold tolerance & winter care
Maidenhair Tree is comparatively hardy (USDA 4-9 (outdoor bonsai), RHS H7). 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 maidenhair tree
Maidenhair Tree sits happiest at around Ambient outdoor humidity relative humidity. Requires no supplemental humidity as a hardy outdoor bonsai. It is notably tolerant of pollution and poor air quality. 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.
Maidenhair Tree temperature & humidity — frequently asked questions
What temperature is best for maidenhair tree?
Maidenhair Tree grows best between -25 to 30°C (-13 to 86°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 maidenhair tree tolerate?
Maidenhair Tree starts to suffer below roughly -25°C. It tolerates a cold dormant period within USDA 4-9 (outdoor bonsai), but a wet cold root zone is more dangerous than cold air.
What humidity does maidenhair tree need?
Maidenhair Tree prefers about Ambient outdoor humidity relative humidity. Requires no supplemental humidity as a hardy outdoor bonsai. It is notably tolerant of pollution and poor air quality.
How do I raise humidity for maidenhair tree?
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 maidenhair tree live outside?
Maidenhair Tree is rated for USDA zone 4-9 (outdoor bonsai) and RHS hardiness H7. 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 maidenhair tree care
In the UK? Keeping maidenhair tree warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full maidenhair tree care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.