Guides by Region: Arizona Guides
Hardiness
Best Spring Bulbs for the Arid West Region
Your region of relatively long cool winters, very hot to moderately dry summers and low moisture, is good for growing many bulbs, especially those native to dry climates
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.
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.
Monarch Nectar Plants for Arizona
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 Arizona 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 Arizona
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 Arizona native plants that are very attractive to pollinators and are well-suited for plantings in gardens.
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