Guides by Region: Northern-California Guides
Hardiness
Hardiness Zones in the USA
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.
Beautiful Azaleas and Rhododendrons for Northern California
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.
Plant Hardiness, Heat Tolerance and Climate Zones
A plant's performance is governed by many climate-related factors including the length of the growing season, the amount of rainfall, winter lows, summer highs, wind, or humidity.
All America Rose Selections Winners
All-America Rose Selections (AARS) is a non-profit association founded in 1938 for the purpose of evaluating rose varieties and promoting exceptional roses. For more than 60 years, AARS has been testing roses on the basis of color, form, fragrance, floral impact, habit, vigor, foliage, disease resistance, repeat bloom, aging quality, and novelty.
Great Pollinator Plants for Northern California
Pollinators are nearly as important as sun, soil and water in both flowering plant reproduction and in the production of most fruits and vegetables. However, pollinator populations are declining. Here is a list of Northern California native plants that are very attractive to pollinators and are well-suited for plantings in gardens.
Monarch Nectar Plants for Northern California
Magnificent with its orange wings laced with black lines and bordered with white dots, the monarch butterfly is in trouble. Its population in North America has plummeted by 90% in the last 20 years. Here is a list of Northern California native plants that are very attractive to monarch butterflies and other pollinators. A simple, native flower garden will attract beautiful butterflies to your yard and help pollinators stay healthy.
Great Pollinator Plants for The California Sierra Foothills Region
Pollinators are nearly as important as sun, soil and water in both flowering plant reproduction and in the production of most fruits and vegetables. However, pollinator populations are declining. Here is a list of California native plants that are very attractive to pollinators and are well-suited for plantings in gardens.
Recommended Shade-Loving Native Perennials for the Northern California Coast Region
Here is a list of California native perennials that are well-suited for plantings in shady gardens of the Northern California Coast Region.
Recommended Sun-Loving Native Perennials for the Northern California Coast Region
Here is a list of California native perennials that are well-suited for plantings in sunny gardens of the Northern California Coast Region.
Recommended Shade-Loving Native Shrubs for the Northern California Coast Region
Here is a list of California native shrubs that are well-suited for plantings in shady gardens of the Northern California Coast Region.
Recommended Sun-Loving Native Shrubs for the Northern California Coast Region
Here is a list of California native shrubs that are well-suited for plantings in sunny gardens of the Northern California Coast Region.
Recommended Shade-Loving Native Trees for the Northern California Coast Region
Here is a list of California native trees that are well-suited for plantings in shady gardens of the Northern California Coast Region.
Recommended Sun-Loving Native Trees for the Northern California Coast Region
Here is a list of California native trees that are well-suited for plantings in sunny gardens of the Northern California Coast Region.
Recommended Native Ferns for the Northern California Coast Region
Here is a list of California native ferns that are well-suited for plantings in gardens of the Northern California Coast Region.
Recommended Native Grasses for the Northern California Coast Region
Here is a list of California native grasses that are well-suited for plantings in gardens of the Northern California Coast Region.
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