Re: Plant selection and the American Zone System
- Subject: Re: Plant selection and the American Zone System
- From: "Robert Steele" s*@tds.net
- Date: Sat, 28 Jun 2003 18:58:13 -0500
Some plants require cold weather to grow or bloom properly, for example many
daffodils and peonies. So if the hotter zone does not provide the low
(winter) temperatures required it is not sutiable for that plant.
bob
----- Original Message -----
From: "Greg Elton" <gelton@senet.com.au>
To: <perennials@hort.net>
Sent: Saturday, June 28, 2003 5:56 PM
Subject: Plant selection and the American Zone System
> I am a little confused with the zones used in mainly American
> publications. My understanding is that they are used to indicate the
> lowest temperatures that in all probability will be encounter for a
> given zone and this is used as a guide to plant selection.
>
> Whey then is a range of zones given for a given plant. If a plant can be
> grown in zone 5 would it not grown in a higher numbered zone.
>
> I understand that there are maximum temperatures and humidity but the
> zone system is a measurement of minimum temperatures.
>
> Any help with this will be appreciated
>
> Regards
> Greg
> Adelaide South Australia
>
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