Plant care
Tiger Jawstemperature & humidity
Faucaria tigrina
More about tiger jaws
Ideal temperature for tiger jaws
Temperature kills fewer tiger jaws 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 18-29C in growth; cool winter rest around 10C (65-85F in growth; cool winter rest around 50F) 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
Tiger Jaws is comparatively hardy (USDA 9-11, RHS undefined). 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 tiger jaws
Tiger Jaws sits happiest at around 30-40% (low, average room humidity) relative humidity. Prefers dry air and good airflow. High humidity and stagnant, damp conditions encourage rot, so never mist it and keep it away from steamy bathrooms. Ordinary household humidity is perfectly fine. 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.
Tiger Jaws temperature & humidity — frequently asked questions
What temperature is best for tiger jaws?
Tiger Jaws grows best between 18-29C in growth; cool winter rest around 10C (65-85F in growth; cool winter rest around 50F). 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 tiger jaws tolerate?
Tiger Jaws starts to suffer below roughly 18°C. It tolerates a cold dormant period within USDA 9-11, but a wet cold root zone is more dangerous than cold air.
What humidity does tiger jaws need?
Tiger Jaws prefers about 30-40% (low, average room humidity) relative humidity. Prefers dry air and good airflow. High humidity and stagnant, damp conditions encourage rot, so never mist it and keep it away from steamy bathrooms. Ordinary household humidity is perfectly fine.
How do I raise humidity for tiger jaws?
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 tiger jaws live outside?
Tiger Jaws is rated for USDA zone 9-11. 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 tiger jaws care
In the UK? Keeping tiger jaws warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full tiger jaws care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.