Re: Re: temperatures and hardiness

Cathy,
When Noreen or Jim or whomever mentioned "where AHS got their temperature
recommendations", they didn't mean Cathey's book on Heat Zones.  They were
referring to the AHS A-Z book's entries of USDA cold hardiness zones for
each plant.

Kitty

----- Original Message ----- 
From: "cathy carpenter" <cathyc@rnet.com>
To: <gardenchat@hort.net>
Sent: Monday, April 12, 2004 1:30 PM
Subject: [CHAT] Re: temperatures and hardiness


> I thought that the AHS numbers had to do with heat tolerance, not cold,
> and the USDA dealt with cold tolerance. Or am I just confused again?
> Cathy
> On Monday, April 12, 2004, at 08:18 AM, TeichFlora@aol.com wrote:
>
> > In a message dated 4/8/2004 9:41:34 AM Central Standard Time,
> > gardenchat-owner@hort.net writes:
> > I don't know where AHS got their temperature recommendations from, but
> > most of the ones I've checked--and I don't check them that often--way
> > understate the hardiness of most so-called tropicals. Half the plants
> > in my yard would not survive, let alone flourish, if AHS numbers were
> > accurate.
> > Amen.  Although I have noticed that the difference is that in zone 9
> > and
> > higher the temps don't stay low for long....only an hour or two then
> > back up.
> > Perhaps this is their way of averaging the temps.  For instance, a
> > plant might
> > survive fine with a dip down to 32 for a short time, but might not
> > survive if it
> > stays around 32 for days on end.
> > Noreen
> >
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