Delaware isn't the most easy place to grow palm trees thanks to its temperate wet climate and tiny variety of sunny days. Delaware's climate is wet, semitropical and continental. Weather in Delaware is powerfully influenced by the ocean, which helps palm trees survive during winter.

The southern half of} the state has milder climate than the northern part. In July, average temperature is around 76°F (24°C). In January, average temperature is around 31°F (–1°C). The warmest temperature ever recorded was 110°F (43°C) and therefore the lowest was –17°F (–27°C). Delaware Agriculture lustiness zones vary from 6b to 7b.

Palm Trees in Delaware

Like in several different states with temperate and wet climate, it's difficult to grow palm trees while not making a microclimate. Plant solely terribly hardy and sturdy palms that may tolerate varies conditions. Also, give protection throughout cold days. A number of palms that may be grown here in Delaware are:

Needle Palm Tree – Zones 5b-11 (- 15 to - 10F)

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)