Palm trees can be grown in the warmer zones of Washington state. Washington has a gentle atmosphere with the western district situated in a maritime atmosphere and eastern locale found more in a mainland atmosphere. The state is separated by the Cascade Mountains. Normal January temperatures in the western district extend between 20°F (– 7°C) and 48°F (9°C) while normal July temperatures go from 44°F (7°C) to 80°F (27°C). In the eastern district, normal January temperatures go from 8°F to 40°F (– 13°C to 4°C) while July temperatures extend from 48°F to 92°F (9°C to 33°C). 

 

There is a wide range, 11.4 into 49.4 in, (29 cm to 125.5 cm) of snow yearly. October through March the state encounters substantial downpours. The hottest temperature at any point recorded was 118°F (48°C) and the most reduced was – 48°F (– 44°C). Washington USDA toughness zones territory from 4a to 9a.

 

Palm Trees In Washington

 

There are specific varieties of cold hardy palm trees that can survive zones 8 and 9 of Washington state. Here are palm trees that can live in Washington: 

 

California Fan Palm Tree – Zones 8b - 11 (15 to 20 F) 

Canary Island Date Palm Tree – Zones 8b - 11 (15 to 20 F) 

Chinese Fan Palm Tree – Zones 8a – 11 (10 to 15 F) 

True Date Palm Tree – Zones 8b - 11 (15 to 20 F) 

European Fan Palm Tree – Zones 7b – 11 (5 to 10 F) 

Mexican Fan Palm Tree – Zones 8b - 11 (15 to 20 F) 

Queen Palm Tree – Zones 8b - 11 (15 to 20 F) 

Saw Palmetto Palm Tree – Zones 7a - 11 (0 to 5 F)