Try Garden Web and One List. Garden Web is a huge community site that hosts
and links to all sorts of garden-related forums. One List is a home for
listserves of all kinds, including topical gardening lists.
> From: "G. McDowell" <email@example.com>
> Date: Wed, 23 Feb 2000 20:09:35 -0600
> To: "'firstname.lastname@example.org'" <email@example.com>
> Subject: [cg] school gardens
> Sorry, but do you all know if there are list serves that deal more
> specifically with xeriscape gardening or school gardens?
FoodShare's Community Garden Programme Coordinator
phone: (416) 392-1668
fax: (416) 392-6650
community_garden maillist - firstname.lastname@example.org