Plant care
Roxburgh's Typhoniumtemperature & humidity
Typhonium roxburghii
More about roxburgh's typhonium
Ideal temperature for roxburgh's typhonium
Roxburgh's Typhonium is comfortable in any room a person is comfortable in, roughly 15–30°C (59–86°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 15°C growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.
Cold tolerance & winter care
Roxburgh's Typhonium is comparatively hardy (USDA 9–11 (may survive mild winters outdoors with mulch; better lifted in colder zones), 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 roxburgh's typhonium
Roxburgh's Typhonium sits happiest at around 50–70% relative humidity. Average indoor humidity is sufficient during the growing season. No special humidity requirements. During dormancy the plant is leafless and stored dry, so humidity is not relevant. 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.
Roxburgh's Typhonium temperature & humidity — frequently asked questions
What temperature is best for roxburgh's typhonium?
Roxburgh's Typhonium grows best between 15–30°C (59–86°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 roxburgh's typhonium tolerate?
Roxburgh's Typhonium starts to suffer below roughly 15°C. It tolerates a cold dormant period within USDA 9–11 (may survive mild winters outdoors with mulch; better lifted in colder zones), but a wet cold root zone is more dangerous than cold air.
What humidity does roxburgh's typhonium need?
Roxburgh's Typhonium prefers about 50–70% relative humidity. Average indoor humidity is sufficient during the growing season. No special humidity requirements. During dormancy the plant is leafless and stored dry, so humidity is not relevant.
How do I raise humidity for roxburgh's typhonium?
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 roxburgh's typhonium live outside?
Roxburgh's Typhonium is rated for USDA zone 9–11 (may survive mild winters outdoors with mulch; better lifted in colder zones) 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 roxburgh's typhonium care
In the UK? Keeping roxburgh's typhonium warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full roxburgh's typhonium care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.