Resources
State of California
Organic Materials Management
Home Composting
Xeriscaping - Establishing a Waste Efficient Landscape
Gardening Basics • Utah State University Extension
Gardening Resources • Cornell University Extension
Gardening Basics • University of Illinois Extension
USDA Plant Hardiness Zone Maps
State maps and zone look-up by zip code
Interactive map for regional and local zones
Note: if the usda.gov zone maps are not working, try the Garden.org map page.