Victoria.
The rule of thumb to use: South of I-10, zone 9. North of I-10, zone 8.
For instance, my house in Katy is listed as zone 8, but my office in
west Houston, near Beltway 8 and Richmond, is zone 9. See:
http://www.pathfinder.com/vg/timelife/zonefinder/locatezone.html
Regardless, the USDA zones are useless, IMO. How many common "zone 8"
plants in Washington state can survive 5 months of 90+ degree weather?
Conversely, how many "zone 8" plants that we use in Houston can survive
a much cooler Washington state zone 8?
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>Regardless, the USDA zones are useless, IMO. How many common "zone 8"
>plants in Washington state can survive 5 months of 90+ degree weather?
>Conversely, how many "zone 8" plants that we use in Houston can
survive
>a much cooler Washington state zone 8?
>
That's why there is a new version of a zone map, it is a Heat Zone map,
complete with heat tolerance listings. Down here I worry much more
about our 90 days above 95+ degrees, than I fuss about winter
hardiness. The reason I wrote the zone as being 8b, was because there
are now break downs of the whole zones...putting Houston in 8b. When
miles seperates a zone, or a highway seperates a zone, it will be
listed with a letter depending on what side you are in.
Victoria
Is there a URL where I can check out this map?
I haven't seen an URL for the heat zone map but there is a book out called Heat
Zone Gardening. It hasn't been out for too long. Go to your favorite book
store and there is a map in there.
Flo
USDA Zone 9 and loving it!
>Is there a URL where I can check out this map?
I am not sure, but there is a new book titled "Heat Zone" or something
like that. Definitely let us know if you find a URL.
Victoria
I've found a few URLs that reference the book, but I couldn't find a
map on-line.
There is an article from last summer that says the American
Horticultural Society will publish the book late in '97:
http://www.jcsolutions.com/jcsgrower/heatzone.htm
I've checked the American Horticultural Society's Web site at
http://www.ahs.org/, but I am not a member and the non-member's page
doesn't have anything on heat zones (or much of anything else, for
that matter).
Finally, Time-Life published "Heat-Zone Gardening", by Dr. H. Marc
Cathey, last month. There is a review at:
http://www.bookpage.com/allencolibrary/9803bp/nonfiction/gardeningroundup.html
The book lists for $24.95, and is available from Amazon for $17.47:
http://www.amazon.com/exec/obidos/quicksearch-query/002-1487970-9757646
Harold
Well, it's not the actual map, but it gives you the phone and
fax numbers to _get_ the map:
http://www.jcsolutions.com/jcsgrower/heatzone.htm
-Tom the Melaniephile