Re: misinformation about AHS heat zone map CALIFORNIA

**"* P* <r*@comcast.net>**

Nan,

That is why I wanted Mitch to add his two cents...I believe it was the Sunset maps he
used also. In Michigan I've not heard anyone refer to Sunset maps. We primarily is
hardiness zones.

Nancy, how about you...do you use Sunset maps?

Sandie Parrott
Writer/Blogger/Photographer

-----Original Message-----
From: gardenwriters-bounces@lists.ibiblio.org
[g*@lists.ibiblio.org] On Behalf Of Nan Sterman
Sent: Wednesday, July 27, 2011 12:16 AM
To: Garden Writers -- GWL -- The Garden Writers Forum
Subject: Re: [GWL] misinformation about AHS heat zone map CALIFORNIA

For us in California, the hardiness zone map has some limited usefulness but the heat
zone map does not.

We all rely on the Sunset maps which are far more finely divided and accurate than
the USDA maps, for reasons already listed (see Catriona's email).  

Nan near San Diego (and have gardened all the way up and down the state)

On Jul 26, 2011, at 3:48 PM, Sandie Parrott wrote:

> I've done some work with TheMulch website based in California...Mitch Shirts may
want
> to chime in on this...they rely mostly on the AHS heat zone map...and basically
don't
> really use our hardiness zone maps. I think it is based on who you are writing
> for...basically, from what I see, the Midwest and East mostly rely on hardiness
> maps...California and other hot southern areas rely on heat zones...it makes sense
to
> me...
> 
> Just my measly 2 cents...probably worth about a half a penny these days...!
> 
> Sandie Parrott
> Writer/Blogger/Photographer
> 
> 
> I had received an answer to my query about folks using the AHS heat zone map that
> said that AHS was about to discontinue its use. I checked with David Ellis and got
> this reply 
> 
> Hi Cathy: 
> 
> Nope, no such plans are in the works. We continue to sell poster-size copies of the
> map regularly by mail order and get a steady stream of requests from publishers to
> reproduce the maps in books and on websites. And heat zone codes are included in
our
> most recent books, including the AHS Great Plant Guide (March 2011) and the AHS
> Encyclopedia of Plants & Flowers (coming out this fall)--and of course in The
> American Gardener magazine. 
> 
> Once the USDA comes out with its updated hardiness map, I think it may spur
> discussion of revising and updating the Heat Zone map, perhaps using new technology
> to expand the parameters used to create the map. But of course the Heat Zone map's
> great champion, Dr. Cathey, is no longer with us, so one of the unknowns is whether
> new leaders from the scientific community will step forward to fill that breach. 
> 
> David J. Ellis 
> Director of Communications, Editor of The American Gardener 
> 
> 
> 
> 
> 
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