Knowing when to plant in specific hardiness zones is important to maximize the spring season's potential. A hardiness zone is a geographic area with a similar average minimum temperature. The map ...

California fire officials are writing new rules that could bar most plants ... which will determine where the “zone zero” rules apply. At present, the maps include only unincorporated areas ...

The maps released Monday cover eight counties in Southern California and along the ... that residents in very-high fire zones remove flammable plants and materials from the first five feet ...