Maine Palm Trees
Palm trees cannot grown in the state of Maine due to its cold winters. Maine has humid continental climate with warm and humid summers and very cold winters. In July the temperature ranges from 75–80 °F (24–27 °C). In January the temperature ranges from 0-32 °F (−18 – 0 °C).
The warmest temperature ever recorded was 105 °F (41 °C) and the lowest was −50 °F (−46 °C). It doesn’t get hurricanes nor tropical storms. Maine USDA hardiness zones range from 3a to 6b.
Maine USDA Zones
Growing Palm Trees in Maine
Unfortunately, Maine is too cold for palm trees. I would recommend growing palm trees indoors in the container and take them outside during summer. That way you will have palm trees in your garden for a few months out of a year. Some great indoor palms are:
- Areca Palm Tree – Zones 9a – 11 (20 to 25 F)
- Chinese Fan Palm Tree – Zones 8a – 11 (10 to 15 F)
- Kentia Palm Tree – Zones 9b – 11 (25 to 30 F)
- Lady Palm Tree – Zones 8b – 11 (15 to 20 F)
More Palm Trees»
Major Cities in Maine
Bangor – Hardiness Zone 5a
Portland – Hardiness Zone 5a
Presque Isle – Hardiness Zone 3b
A lot of palm trees die from fertilizer root burn and nutritional deficiencies. To avoid these problems, use fertilizer that has continues release formula, which feeds your palm tree for few months, rather than using a cheap fertilizer that will wash away after 2-3 rains.
I personally use 
It is time to protect your palm trees from cold! To avoid the cold damage, I spray my palms with 
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