Plant care
La Ratte Fingerling Potatotemperature & humidity
Solanum tuberosum 'La Ratte'
More about la ratte fingerling potato
Ideal temperature for la ratte fingerling potato
Temperature kills fewer la ratte fingerling potato 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 15-20°C (60-68°F) is fine; the spot you put the plant in matters more. Below roughly 15°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
La Ratte Fingerling Potato is frost-tender (USDA Warm-season annual; plant after last frost in zones 3-10, RHS H2). It cannot survive a frost, so in most of the US and UK it lives indoors year-round or summers outside and comes back in well before the first autumn frost — once nights drop toward 10-12°C is the cue, not the first frost warning. Acclimate it over a week when moving between indoors and out so the leaves do not shock.
Humidity for la ratte fingerling potato
La Ratte Fingerling Potato sits happiest at around Outdoor ambient relative humidity. A field crop with no managed humidity needs. Persistent damp foliage favours blight, so space plants and water at the base, not overhead. 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.
La Ratte Fingerling Potato temperature & humidity — frequently asked questions
What temperature is best for la ratte fingerling potato?
La Ratte Fingerling Potato grows best between 15-20°C (60-68°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 la ratte fingerling potato tolerate?
La Ratte Fingerling Potato starts to suffer below roughly 15°C. It is frost-tender and will be damaged or killed by a frost, so bring it indoors once nights fall toward 10-12°C.
What humidity does la ratte fingerling potato need?
La Ratte Fingerling Potato prefers about Outdoor ambient relative humidity. A field crop with no managed humidity needs. Persistent damp foliage favours blight, so space plants and water at the base, not overhead.
How do I raise humidity for la ratte fingerling potato?
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 la ratte fingerling potato live outside?
La Ratte Fingerling Potato is rated for USDA zone Warm-season annual; plant after last frost in zones 3-10 and RHS hardiness H2. Outside that range it must come indoors before the first frost — treat any outdoor stint as a summer holiday, not a permanent home.
More la ratte fingerling potato care
In the UK? Keeping la ratte fingerling potato warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full la ratte fingerling potato care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.