Rhode Island obviously is unreasonably cold for palm trees. However you can still buy or rent real palm trees for your home, restaurant or business from a unique local palm tree supplier. Rhode Island has a damp mainland atmosphere with nippy winters and short stormy summers. The late spring is warm, and summer gets fairly warm with normal July temperatures of 73°F (23°C) while the winter is cold with normal January temperature of 28°F (– 2°C). Yearly snowfall midpoints 37 in (94 cm) a year. This state tropical storms, snow storms, and a lot of rain in the spring.
The hottest temperature at any point recorded was 104°F (40°C) and the most minimal was – 23°F (– 31°C). Rhode Island USDA zones 5b to 7a.
Rhode Island is unreasonably chilly for palm trees. It has a few areas in the zone 7a territory, however even the hardiest of palms will experience considerable difficulties enduring the winter there. It isn't just about how chilly it gets, the winter can and will be wet, snowy, and icy as well. Some cold hardy palms can have a shot of survival with winter protection. Here are some palm trees that can develop in zone 7:
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)