Idaho Palm Trees
In some of Idaho’s warmer regions, you can indeed cultivate cold-hardy palm trees. Idaho’s climate is decidedly continental, marked by hot summers and harsh winters.
In Boise city, for example, you can expect an average temperature of 29°F (–2°C) in January and a balmy 74°F (23°C) in July. Generally, the state experiences low humidity levels.
When it comes to USDA hardiness zones, Idaho spans from 3b to 7b. The mercury has climbed as high as 118°F (48 °C) and plummeted to a bone-chilling −60°F (−51 °C). During winter, the state receives an average of about 20 inches (51 cm) of snowfall.
Growing Palm Trees in Idaho
So, if you’re thinking of growing palm trees in Idaho, stick to the cold-hardy varieties. Enhancing their chances of survival means providing cover and creating a microclimate that can significantly expand the list of palms suitable for your area.
- European Fan Palm Tree – Zones 7b-11 (5 to 10 F)
- Pindo Palm Tree – Zones 7b-11 (5 to 10 F)
- Sago Palm Tree – Zones 7b-11 (5 to 10 F)
- Saw Palmetto Palm Tree – Zones 7a-11 (0 to 5 F)
- Windmill Palm Tree – Zones 7b-11 (5 to 10 F)
More Palm Trees»
Major Cities in Idaho
Boise – Hardiness Zone 6a
Pocatello – Hardiness Zone 4b
Twin Falls – Hardiness Zone 6a
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