Idaho Palm Trees

Some cold hardy palm trees can be grown in warm areas of Idaho. Idaho has a continental climate with hot summers and cold winters. The average temperature in Boise city in January is 29°F (–2°C) and 74°F (23°C) in July. The humidity levels are generally low across the state.

Idaho USDA hardiness zones range from 3b to 7b. The highest temperature ever recorded was 118 °F (48 °C) and the lowest was −60 °F (−51 °C). In the winter on average it gets about 20 in (51 cm).

Idaho USDA Zones

Growing Palm Trees in Idaho

Only cold hardy palm trees will grow in Idaho. Providing a cover and creating a microclimate can dramatically increase the list of palms that will grow in your area.

More Palm Trees»

Major Cities in Idaho

Boise – Hardiness Zone 6a
Pocatello – Hardiness Zone 4b
Twin Falls – Hardiness Zone 6a

~Susan Brian

P.S. If you have any questions, leave me a comment below and I do my best to answer them as soon as I can.

1 thought on “Idaho Palm Trees”

  1. i have 4 mexican fan palms in pots for the winter and i water them every 3-4 weeks to avoid root rot….but iam noticing some of the fronds are turning yellow and brown but the soil is still moist….should i water them?…i also have grow lights on them since we hardly see the sun in the northwest….any help would be appreciated….thank u

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