Arizona lies in USDA plant hardiness zones 5 through 10a, with winter lows ranging from -20 degrees to 35 degrees Fahrenheit. Coconut palm (Cocos nucifera) is hardy in zones 10b and 11, with winter lows of 35 and higher. Arizona's winters are too cold for this palm.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.