Plant Hardiness Maps and Charts

 

The New USDA Plant Hardiness Maps
USDA Hardiness Zones for Texas
Hardiness Zones for Florida
Plant Hardiness Zones for Maine
USDA Plant Hardiness Zones-Southeast
Gardening Calendars for the Tririver Area-Colorado
Arkansas and U. S. Plant Hardiness Zones
Average Date of First Frost (Fall) in Upper Midwest
Hardiness Maps for New England
Heat Zone Maps
USDA Plant Hardiness Maps-Illinois
USDA New Mexico Hardiness Zones
Arizona Plant Climate Zones
Plant Hardiness Zones for the Northeast
Maturity Dates and Freeze Risk Based on Growing Degree Days-Nebraska
Degree Day Statistics
IPM Weather Data and Degree-Days-Oregon
Degree-Days and Phenology-California
Degree Days
Degree Days-Michigan
Using Degree Days to Monitor for Insect, Weed, and Disease Pests
Degree Days-United States
Seasonal Maps-Iowa
Growing Degree Days in My Backyard, 2000-Pennsylvania
Calculating Degree Days
Growing Degree Days-New York
Climate Information-Georgia
Weather Data Library-Kansas
Sunset Magazine  Zones
Generalized Western Plantclimate Zones Description-Southern California
Generalized Western Plantclimate Zones Map-Caliifornia
Generalized Western Plantclimate Zones Map-Sothern California
Generalized Western Plantclimate Zones Map-San Diego County
Climate, Weather, Seasons-North Sacramento Valley
A Gardener's Guide to Zone Maps
Monitoring: Growing Degree Days and Plant Phenology