A guide to Web sites related to gardening. The sites cover gardening tips and discussion groups; growing annuals, perennials, bulbs, roses and vegetables; where to find rare plants; ideas for landscaping; and how to tackle the eccentricities of your growing zone.

Expert free advice is quickly accessed on the Internet, thanks to this terrific gardener's guide to landscaping, caring for lawns, trees, annual and perennial plants and flowers, organic gardening, and acres more.