Plant care
Hens and chickstemperature & humidity
Sempervivum tectorum
More about hens and chicks
Ideal temperature for hens and chicks
Temperature kills fewer hens and chicks 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 18-27°C (65-80°F) is fine; the spot you put the plant in matters more. Below roughly 18°C growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.
Cold tolerance & winter care
Hens and chicks is comparatively hardy (USDA 3-8, 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 hens and chicks
Hens and chicks sits happiest at around 30-50% relative humidity. Thrives in dry, airy conditions and dislikes stagnant, humid air, which encourages rot and fungal rust. Average household humidity is fine; no misting needed. Good airflow is more important than any target humidity figure. 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.
Hens and chicks temperature & humidity — frequently asked questions
What temperature is best for hens and chicks?
Hens and chicks grows best between 18-27°C (65-80°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 hens and chicks tolerate?
Hens and chicks starts to suffer below roughly 18°C. It tolerates a cold dormant period within USDA 3-8, but a wet cold root zone is more dangerous than cold air.
What humidity does hens and chicks need?
Hens and chicks prefers about 30-50% relative humidity. Thrives in dry, airy conditions and dislikes stagnant, humid air, which encourages rot and fungal rust. Average household humidity is fine; no misting needed. Good airflow is more important than any target humidity figure.
How do I raise humidity for hens and chicks?
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 hens and chicks live outside?
Hens and chicks is rated for USDA zone 3-8 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 hens and chicks care
In the UK? Keeping hens and chicks warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full hens and chicks care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.