Hardy Palm and Subtropical Board
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Re: List of 7b palms?
Posted by Jim Wilmington DE 7a on 8/16/2017, 6:06 pm, in reply to "List of 7b palms?"
For East Coast, wet winter 7b...
Trachycarpus Fortunei (semi-sheltered, optimal siting)
Sabal Palmetto (south exposure stone or brick wall)
The above are with no protection, except mulch.
Probably next would be Serenoa, Butia and the Med Fan 'Cerifera' variety, but even with great siting, I think they'll get lit up in hard winters.
A dry winter, west-of-the-Mississippi environment would be more conducive to additional genera like Washingtonia and maybe the odd Phoenix or Brahea.
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