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Re: rainfall

Noreen, that was my mistake.  They do show TX with 5 zones.  Did you have a
chance to see the map at
Yes, rainfall can vary much more than the map shows.  But as several people
have noted, hardiness, heat, and rainfall maps are just starting points.
They give us something.  Then, as has been said of the Sunset system, every
gardener should fine tune with their own collected data.

I live in Zone 5 (old usda map), zone 6 (new usda map), zone 5 (ahs heat
map), and Pink (HCG rainfall map)  However, I have microclimates and special
protection measures that have allowed me to plant some zone usda Zone 7
plants.  I can construct a sand bed to allow me to grow Zone Yellow plants
or I can plant some Light Green Zone plants under the eaves where they won't
get as much rain and make sure to avoid giving supplemental water.  And I
can make sure that Zone Dark Green plants DO get supplemental water.

Maps are a place to start.

----- Original Message ----- 
From: <TeichFlora@aol.com>
To: <gardenchat@hort.net>
Sent: Saturday, December 06, 2003 7:21 AM
Subject: Re: [CHAT] rainfall

> I applaud that nursery for giving rainfall requirments, although I think
> most folks have a problem with generalized Charts because they do not give
> detailed or accurate information for most areas.  I don't know how
> this is in other parts of the country, but here in Texas,  rainfall is a
> that is very critical and much discussed.  The chart says that there are
only 3
> zones for the entire state of Texas??  WOW.  There is an "official"
> chart for Texas that shows that Houston itself has at least 5 different
> I live in far west Houston (outside the city limits), actually on the
> of Harris (Houston) and Fort Bend Counties.  I live no more than 30 miles
> down town Houston.  From my area to downtown are three zones.  According
> the Texas Rainfall chart my area gets 8 inches less rain per year than
> town.  This is very visible in the plants that I can grow vs. those that
> grown down town, or parts east.  Although some folks lump my area as the
> eastern part of South Central Texas, this would be inaccurate too,
considering that
> we are more humid and get much more rain than San Antonio which is also in
> South Central. Therefore, I grow many plants that my mom in SA is unable
> Thus, I am a firm believer that rainfall requirements are very helpful
> choosing plants, especially here in Texas.  Zones are helpful, but
> amounts narrow the field even more.
> Too bad this info isn't added to the description on plants along with the
> zones.
> Noreen
> zone 9
> Texas Gulf Coast
> In a message dated 12/5/2003 8:44:26 PM Central Standard Time,
> gardenchat-owner@hort.net writes:
> I just received the new High Country Gardens catalogue. On pg 37 they
> > have a rainfall map. Perhaps you've seen one elsewhere, but I haven't
> > and I find it very interesting. They show 6 zones in which the rainfall
> > differs by 10 inch increments. In addition, they code all their plants
> > to indicate somewhat, how much rainfall they can handle. This is why I
> > don't do well with Penstemons and Salvias. I'm in the 30-40 inches per
> > year zone. Marge and Gene are in the 40-50 inches rainfall zone. Texas
> > and OK span 3 zones from west to east. Jim is, of course, in the 50-60+
> > zone.
> ---------------------------------------------------------------------
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