Plant care
Walking Stick Kaletemperature & humidity
Brassica oleracea var. longata
More about walking stick kale
Ideal temperature for walking stick kale
Temperature kills fewer walking stick kale 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 7-24°C (45-75°F) is fine; the spot you put the plant in matters more. Below roughly 7°C growth pauses; cold beyond that pushes it into dormancy rather than killing it outright.
Cold tolerance & winter care
Walking Stick Kale is comparatively hardy (USDA 8-10 (needs a long mild season; overwinters in mild regions), RHS H3). 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 walking stick kale
Walking Stick Kale sits happiest at around Outdoor ambient relative humidity. An outdoor field crop with no specific humidity needs; a sheltered position matters far more than air humidity for these top-heavy plants. 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.
Walking Stick Kale temperature & humidity — frequently asked questions
What temperature is best for walking stick kale?
Walking Stick Kale grows best between 7-24°C (45-75°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 walking stick kale tolerate?
Walking Stick Kale starts to suffer below roughly 7°C. It tolerates a cold dormant period within USDA 8-10 (needs a long mild season; overwinters in mild regions), but a wet cold root zone is more dangerous than cold air.
What humidity does walking stick kale need?
Walking Stick Kale prefers about Outdoor ambient relative humidity. An outdoor field crop with no specific humidity needs; a sheltered position matters far more than air humidity for these top-heavy plants.
How do I raise humidity for walking stick kale?
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 walking stick kale live outside?
Walking Stick Kale is rated for USDA zone 8-10 (needs a long mild season; overwinters in mild regions) and RHS hardiness H3. 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 walking stick kale care
In the UK? Keeping walking stick kale warm in a UK home covers the radiator, single-glazing and heating-season humidity angle. Temperature and humidity are one piece. See the full walking stick kale care guide, its cold-hardiness guide, and watering schedule — humidity and watering problems are easy to confuse.