Plant care
Amydrium Medium Silvertemperature & humidity
Amydrium medium 'Silver'
More about amydrium medium silver
Ideal temperature for amydrium medium silver
Temperature kills fewer amydrium medium silver 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 18-26 C (65-79 F) is fine; the spot you put the plant in matters more. Below roughly 18°C the damage starts — soft blackened patches, translucent leaves, sometimes overnight.
Cold tolerance & winter care
Amydrium Medium Silver is frost-tender (USDA 10-12 (grown as a houseplant elsewhere; not frost hardy), RHS undefined). 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 amydrium medium silver
Amydrium Medium Silver sits happiest at around 60-80% relative humidity. A humidity-loving tropical that does best at 60% and above. It tolerates average household humidity but produces fuller, less crispy foliage in a humid room, greenhouse cabinet or near a humidifier. Grouping plants or a pebble tray also helps; wrapping the moss pole keeps the aerial roots happy. 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.
Amydrium Medium Silver temperature & humidity — frequently asked questions
What temperature is best for amydrium medium silver?
Amydrium Medium Silver grows best between 18-26 C (65-79 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 amydrium medium silver tolerate?
Amydrium Medium Silver starts to suffer below roughly 18°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 amydrium medium silver need?
Amydrium Medium Silver prefers about 60-80% relative humidity. A humidity-loving tropical that does best at 60% and above. It tolerates average household humidity but produces fuller, less crispy foliage in a humid room, greenhouse cabinet or near a humidifier. Grouping plants or a pebble tray also helps; wrapping the moss pole keeps the aerial roots happy.
How do I raise humidity for amydrium medium silver?
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 amydrium medium silver live outside?
Amydrium Medium Silver is rated for USDA zone 10-12 (grown as a houseplant elsewhere; not frost hardy). Outside that range it must come indoors before the first frost — treat any outdoor stint as a summer holiday, not a permanent home.
More amydrium medium silver care
In the UK? Keeping amydrium medium silver warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full amydrium medium silver care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.