Growli

Plant care

Island Liveforevertemperature & humidity

Dudleya virens

RHS H3USDA 9–11Pet-safe

More about island liveforever

Ideal temperature for island liveforever

Temperature kills fewer island liveforever 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 5–24 °C (41–75 °F) is fine; the spot you put the plant in matters more. Below roughly 5°C growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.

Cold tolerance & winter care

Island Liveforever is comparatively hardy (USDA 9–11, RHS H3). 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 island liveforever

Island Liveforever sits happiest at around 35–65% relative humidity. Tolerates moderate indoor humidity. Naturally adapted to coastal maritime air, it copes well with moderate ambient moisture in winter but needs good airflow in summer to prevent fungal problems in humid interiors. 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.

Island Liveforever temperature & humidity — frequently asked questions

What temperature is best for island liveforever?

Island Liveforever grows best between 5–24 °C (41–75 °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 island liveforever tolerate?

Island Liveforever starts to suffer below roughly 5°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 island liveforever need?

Island Liveforever prefers about 35–65% relative humidity. Tolerates moderate indoor humidity. Naturally adapted to coastal maritime air, it copes well with moderate ambient moisture in winter but needs good airflow in summer to prevent fungal problems in humid interiors.

How do I raise humidity for island liveforever?

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 island liveforever live outside?

Island Liveforever is rated for USDA zone 9–11 and RHS hardiness H3. 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 island liveforever care

In the UK? Keeping island liveforever warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full island liveforever care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.