Southern AZ Homes - Climate Zone

Sunset Zones versus USDA Zones

Gardeners in the western United States sometimes are confused when confronted with the 11 Hardiness Zones created by the USDA (United States Department of Agriculture), because they are used to a 24-zone climate system created 40 years ago by Sunset Magazine. The Sunset zone maps, which cover 13 Western states, are much more precise than the USDA's, since they factor in not only winter minimum temperatures, but also summer highs, lengths of growing seasons, humidity, and rainfall patterns to provide a more accurate picture of what will grow there.

Santa Cruz County is located in a Arizona High Desert area. Based on Sunset Zones - our area is in ZONE 10  & Based on USDA Zones - our area is in ZONE 8.

Ø      Growing season: April to early November

Ø      Chilly (even snow-dusted) weather rules from late November through February

Ø      Lows from 31 degrees to 24 degrees F/-1 degree to -4 degrees C.

Ø      Rain comes in summer as well as in the cooler seasons.


  • What Are Hardiness Zones?

    It seems every gardening book and nursery catalog refers to plant hardiness zones, also known as climate zones or growing zones. If you're new to gardening, you may be wondering what all the fuss is with these zones, and how to find out which zone you are gardening in.

  • Arizona Plant Climate Zone

    Nowhere is home gardening more challenging or potentially more rewarding than in the southwest. Santa Cruz County is located in the high alltitude desert and is considered to be in Zone 3 with elevations 3,500-5,000 by a study conducted by the University of Arizona.

  • Sunset's Garden Climate Zones

    Based on Sunset Garden our climate zone is 10 - Climate zone map.

  • USDA Plant Hardiness Zone Map

    Based on USDA our climate zone is 8 - Climate zone map.

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Agave Premier Properties & Investments
1891 North Mastick Way, Ste. A • Nogales, AZ 85621
AGAVE PREMIER PROPERTIES AND INVESTMENTS • Phone: 520.313.0352
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