Growli

UK temperature

Keeping ivy-leaved scindapsus warm in a UK home

Scindapsus hederaceus

RHS H1bUSDA 10–11Toxic to pets

More about ivy-leaved scindapsus in the UK

The UK home, in plant terms

A typical UK home creates two opposite micro-problems at the same time. Radiator-driven heating spikes the air temperature and crashes humidity in the rooms where people actually sit; the older the housing stock the more likely a single-glazed window pane is sitting at near-freezing in January with a houseplant against it. Cold unheated bedrooms, north-facing rooms and conservatories without heating run far cooler than the thermostat suggests, and the British winter gives the lowest indoor daylight in any of Growli's markets. ivy-leaved scindapsus is frost-tender, so the radiator-warmed side of the house is right for it in winter — just not pressed against a cold pane or directly in the radiator updraft.

The actual numbers

Ideally ivy-leaved scindapsus sits between 18–29°C. (That is 64–84°F in Fahrenheit.) Prefers higher than average indoor humidity. In dry environments, brown leaf tips appear. A pebble tray, grouping with other plants, or a humidifier provides sufficient ambient moisture. Avoid cold draughts from windows in winter, which desiccate foliage. Watch for the room dropping below about 18°C overnight — common in UK unheated bedrooms in January, and the point where growth stalls and leaves chill-mark.

For the RHS hardiness side of this, see is ivy-leaved scindapsus hardy in the UK? (rating RHS H1b, sourced from the RHS rating system). For the US/USDA framing of the same numbers, see the ivy-leaved scindapsus temperature guide.

Winter placement in a UK home

For ivy-leaved scindapsus through a UK winter, three placement rules clear up most problems: 1) keep it at least a hand's width back from the window pane on single-glazed or very cold double-glazed glass, especially overnight when curtains close behind the plant; 2) keep it out of the direct vertical updraft above a radiator — that column of hot dry air browns leaf tips even on tolerant species; 3) judge by the room you can actually feel, not the central thermostat — many UK rooms run several degrees below the hall reading in winter. Humidity drops to roughly 25–35% in a heated UK living room; a pebble tray, grouping with other plants, or a small humidifier puts that back to a level houseplants actually like.

ivy-leaved scindapsus temperature in the UK — frequently asked questions

What temperature does ivy-leaved scindapsus need in the UK?

ivy-leaved scindapsus prefers 18–29°C (64–84°F). The British issue is rarely the average — it is the extremes: a cold single-glazed window in January, the hot dry air directly above a radiator, or a north-facing unheated room that runs far cooler than the hall thermostat.

Will ivy-leaved scindapsus survive a cold UK winter room?

ivy-leaved scindapsus is frost-tender (RHS H1b). Keep it well above freezing, ideally above 10°C overnight, which means the radiator-warmed side of the house rather than an unheated bedroom or conservatory.

Can ivy-leaved scindapsus go on a UK windowsill in winter?

On a single-glazed or very cold pane, no — overnight the leaves pressed against the glass can drop below the plant's comfort band, especially behind drawn curtains. A small gap (a hand's width back) or thicker thermal curtains in front of the plant fixes it, and modern double-glazing usually solves it outright.

Does UK radiator-driven heating dry ivy-leaved scindapsus out?

Yes — UK living rooms typically run at around 25–35% relative humidity in winter. That is well below what most houseplants prefer. ivy-leaved scindapsus tolerates this better than the calathea-and-fern family, but a pebble tray or grouping plants still helps.

What temperature range does ivy-leaved scindapsus actually like?

18–29°C is the comfortable band (64–84°F in Fahrenheit for reference). That covers normal UK living-room temperatures all year; the work is making sure cold pockets (windowsills, unheated rooms) and hot pockets (radiator updrafts) do not push it outside that band.

More ivy-leaved scindapsus care

See the full ivy-leaved scindapsus care guide, its UK watering (hard vs soft tap water), and UK hardiness.