Growli

UK temperature

Keeping red latan palm warm in a UK home

Latania lontaroides

RHS H1bUSDA 10a–11Pet-safe

More about red latan palm 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. Red Latan Palm 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 red latan palm sits between -2 to 38°C. (That is 28 to 100°F in Fahrenheit.) Adapted to the warm, moderately humid coastal conditions of Réunion. Tolerates a range of humidity levels; not demanding in this respect. Indoors, average room humidity is acceptable but avoid extremely dry, heated environments — mist occasionally. Watch for the room dropping below about -2°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 red latan palm hardy in the UK? (rating RHS H1b, sourced from the RHS rating system). For the US/USDA framing of the same numbers, see the red latan palm temperature guide.

Winter placement in a UK home

For red latan palm 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.

Red Latan Palm temperature in the UK — frequently asked questions

What temperature does red latan palm need in the UK?

Red Latan Palm prefers -2 to 38°C (28 to 100°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 red latan palm survive a cold UK winter room?

Red Latan Palm 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 red latan palm 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 red latan palm out?

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

What temperature range does red latan palm actually like?

-2 to 38°C is the comfortable band (28 to 100°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 red latan palm care

See the full red latan palm care guide, its UK watering (hard vs soft tap water), and UK hardiness.