Guides by Region: Western States Guides
There are two major fall planting seasons for the Southern Pacific Coast
With long cool, wet winters and springs, followed by dry summers and falls, your region is close to perfect for many spring-flowering bulbs.
The USDA Hardiness Zone Map divides North America into 13 zones of 10°F each, ranging from -60°F (-51°C) to 70°F (21°C). If you are planning to buy a shrub, perennial or tree, you need to make sure that this new plant will tolerate year-round conditions in your area.
The following is a list of Azaleas and Rhododendrons recognized as proven performers in Northern California. Most of them have received the Rhododendron of the Year Award of the American Rhododendron Society.
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