Gardening
Dan The Gardener - http://www.danthegardener.co.uk/
Aims to help encourage children and adult to respect nature by recycling, growing plants, fruit and vegetables, being healthy and having fun.
GardenList.com - http://www.gardenlist.com/
Find all the mail-order gardening catalogs in the US and Canada.
National Gardening Association - http://www.garden.org/
Nonprofit organisation aiming to sustain the connection between people, plants, and the environment by offering educational plant-based materials, grants, and resources. Includes garden news, videos, reports, event calendar and message boards.
Plantideas.com - http://www.plantideas.com/
Assists you in your gardening needs.
Yourgarden.com - http://www.yourgarden.com/
The gardeners global resource with articles, databases, shopping and much more.