Plant care
Alpine Cinquefoiltemperature & humidity
Potentilla crantzii
More about alpine cinquefoil
Ideal temperature for alpine cinquefoil
Alpine Cinquefoil is comfortable in any room a person is comfortable in, roughly -25–25°C (-13–77°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 -25°C growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.
Cold tolerance & winter care
Alpine Cinquefoil is comparatively hardy (USDA 3–8, RHS H7). 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 alpine cinquefoil
Alpine Cinquefoil sits happiest at around 30–55% relative humidity. Tolerant of low to moderate humidity. As a plant of exposed mountain terrain, it is accustomed to drying winds and moderate ambient humidity. High humidity combined with poor air movement can promote fungal disease — ensure an open, sunny planting position with good airflow. 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.
Alpine Cinquefoil temperature & humidity — frequently asked questions
What temperature is best for alpine cinquefoil?
Alpine Cinquefoil grows best between -25–25°C (-13–77°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 alpine cinquefoil tolerate?
Alpine Cinquefoil starts to suffer below roughly -25°C. It tolerates a cold dormant period within USDA 3–8, but a wet cold root zone is more dangerous than cold air.
What humidity does alpine cinquefoil need?
Alpine Cinquefoil prefers about 30–55% relative humidity. Tolerant of low to moderate humidity. As a plant of exposed mountain terrain, it is accustomed to drying winds and moderate ambient humidity. High humidity combined with poor air movement can promote fungal disease — ensure an open, sunny planting position with good airflow.
How do I raise humidity for alpine cinquefoil?
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 alpine cinquefoil live outside?
Alpine Cinquefoil is rated for USDA zone 3–8 and RHS hardiness H7. 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 alpine cinquefoil care
In the UK? Keeping alpine cinquefoil warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full alpine cinquefoil care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.