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Jimbean

climate zone changes?

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Jimbean

I was talking to a plant nursery owner today and he told me that all of the climate zones were moved further north as of about two weeks ago.  So I looked it up and sure enough my once 9a/9b officail climate is now 10a.

http://arborday.org/media/Zones.cfm

Do they just don't expect a major freeze to happen here agian or what?

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NBTX11

Those are averages.  You can be a zone 10a and still experience severe freezes.  The zones are nothing but averages over a 15 year period.

For example, if one year you had a 25 degree temp, and another a 35 degree temp., then your average over that time span is 30, zone 10a, even though you had a subfreezing temperature.

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SubTropicRay

Hi Jim,

In the last 17 years, I've been below 30F twice (Feb 1996 and Jan 2003).  I would say a change to zone 10a classifcation is justified for my area of peninsular Tampa.  On the flip side, my mothers plants in northern, inland Tampa get damaged almost yearly.  A few miles can make all the difference.

Ray

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Exotic Life

I have a little qouestion about this, does somebody know if the USDA Zones for Europa also have changed ? Does somebody have a map for me ?

Robbin

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Jimbean

I don't know, that to me is just the weirdest dang thing; I did not think I would ever see them putting us (Brevard county) back in z10.

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Jimbean

If they would keep the same boundries, with it going right up along the coast to cape canaveral, and a heat island in Orlando, but only have those areas as 9b instead of 10a and have the outlining areas as 9a.

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SubTropicRay

Jim,

The map, at least in our neck of the woods, is definitely flawed.  Take it with a grain of salt.

Happy New Year,

Ray

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BobbyinNY

This is the first time that, since 1876, we haven't had even a trace of snow anywhere yet..   If it doesn't get any colder than the 20f we had on december 3rd, we'd be considered a 9a for this winter... very strange.

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