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New USDA Zone maps were released Jan. 26, 2012.

Posted by greyghost61 8b SoWeGa (My Page) on
Fri, Jan 27, 12 at 10:28

I saw the newly released zone map and it appears a good bit of south GA now is either zone 8b or 9a. I wonder if folks are going to start planting more avocados, citrus, etc, in south GA.? There are 2 zone 8b avocados I know of, the brogdon and mexicola, prehaps some of the nurseries down here will start carrying them.

Are the new zone designations going to change what any of yall plant? I have been pushing for a few years now, I might start pushing just a little bit harder.

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North Georgia

There are so many other climate effects on plant hardiness besides yearly minimums, that I've gotten to the point where I plant whatever strikes my fancy, and whatever lives, lives. Regardless of my "official" zone 7B, I have some zone 8 and 9 plants stubbornly refusing to die.

Mandarin oranges definitely are not supposed to grow here according to the "official zone", but oddly enough the two trees I have seem to be unaware of that "fact".

I also have a few other citrus types, palms, hibiscus, cannas, figs, etc.

RE: New USDA Zone maps were released Jan. 26, 2012.

Well, I think you're using the term "Mandarin orange" rather loosely (even though anything in Citrus reticulata could be legitimately commonly called a Mandarin orange).

'Satsuma' is a cultivar of Citrus reticulata that dependably fruits and survives/performs in zone 8b. However, 'Owari Satsuma' has even better cold hardiness, and 'Kimborough' is often cited as being even more cold hardy than 'Owari Satsuma'.

Perhaps you're lucky to be growing one of the latter two cultivars in your garden, Crispy_z7?

RE: New USDA Zone maps were released Jan. 26, 2012.

I have both Brown Select and Owari Satsumas and they have done good here without any protection. Even during a freak snow (we get one about every 20 or so years) and an ice storm we had last winter. My moro blood orange has done alright here too, it is blooming for the first time this year, I just hope this cold snap we are having now does not set it back, I covered it last night, I hope that was enough.

RE: New USDA Zone maps were released Jan. 26, 2012.


Didn't see your reply till just now!

You are correct, I am growing Owari Satsuma mandarins.

And you are right on your other point- it does matter what type of mandarin. I have a few mandarin trees that I grew from seeds from a grocery store fruit, and these were killed almost to the ground in their first winter outside last year. This summer they have completely recovered, grew new branches and leaves.
These seed grown mandarins were basically for experimentation anyways. My hope is that they will grow as a low bush instead of a tree, as the freezing winds seem to be the biggest cause of damage.

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