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Re: Citrus possible in Austin TX?
Posted by Jim Wilmington DE 7a on 4/15/2017, 3:39 pm, in reply to "Citrus possible in Austin TX?"
According to the 2012 map, Austin is located firmly within a belt of 8b. However, when I ran a Zip Code check on the USDA site (with the map), it returned 9a. I chose a Zip Code in the very heart of Austin, just for good measure.
Now, the thing I'd be worried about is Arctic air masses plunging straight down from Canada. Theoretically, there would be less moderation of such an air mass than you would see at a similar USDA zone in Florida. In Texas, these events are sometimes called "Northers." So, they leave enough of an impression down there to get a name.
1. Chiefly Texas and Oklahoma. A cold gale from the north, formed during the winter by a vigorous outbreak of continental polar air behind a cold front.
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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