How do you identify your USDA zone? Lydia tells us that you can easily find your zone using the USDA Plant Hardiness Zone Map, which is available online. "Just enter your zip code, and the map ...

While there are different ways to map climates, USDA Plant Hardiness Zones are based only on the minimum average temperature. Using this scale, California spans from zone 5a, where average annual ...

California's diverse climate ranges from heat and droughts to cool weather and rain. Learn which plants to grow in your part ...