Hardy Palm and Subtropical Board
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Re: Here are 17 varieties of palms in the ground.
Posted by Jim Wilmington DE 7a on 10/19/2017, 8:35 pm, in reply to "Re: Here are 17 varieties of palms in the ground."
Fairfield is listed as 5b in the generous 2012 USDA map and 5a in the 1990 map. Zone 5 isn't pretty anywhere, but I think especially hard on the Great Plains where the Arctic winds just come roaring out of the north.
To have any species of palm uncovered survive in such a place is a miracle.
To give folks here an idea just regarding temperatures. In December of last year, the low there was -13F. In January, -4F. February, 6F. March, 6F.
Now, -13F is gonna knock down a lot of palms. And repeat occurrences of below zero and single digit cold is going to finish the job on any palm lucky to survive the -13 in December.
You do a great job there under trying conditions, Jim!
Over the last 10 winters here, we have had low single digit temperatures in Wilmington, but nothing sub-zero. Knock on wood!
Jim, Wilmington, DE, 7a
Last 30 Years Avg. Winter Low: 7.50F
Last 20 Years Avg. Winter Low: 8.35F
Last 10 Years Avg. Winter Low: 8.40F
Favorite Palms: Species: Phoenix Canariensis / Genus: Sabal
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