United States Edition

USDA Hardiness Zone 9b

Zone 9b is a zone in the USDA Hardiness climate zone rating system. The USDA Hardiness system can be useful to gardeners in establishing if certain plants are suitable for your garden's microclimate and was originally devised by the US department of agriculture. There are currently 960 gardens being tracked on Folia that are in USDA Zone 9b.

Typical example plants that tend to grow vigorously in this zone include Rose, Chili pepper, Sweet pepper, Lettuce, Tomato, Spinach, Basil, Bean, Carrot and Cucumber.

Some locations recently identified as being in this zone include Irvine (United States), (France), Orange County (United States), St. Petersburg (United States), Brea (United States), Hobart (Australia), South Orlando (United States), CAstelo de Vide (Portugal), Mecca (United States), Phoenix (United States), North Phoenix (United States), Houma (United States), Wangaratta (Australia), sacramento (United States), Orlando (United States), Sacramento (United States), Granada Hills (United States), Bradenton (United States), Youngsville (United States), Gloucester (Australia), Menlo Park (United States), Antelope (United States), Port Orford (United States), Brandon, FL (United States), Corryong (Australia), (United States), San Jose (United States), Corryong (Australia), (United States) and Albury (Australia).

If your area is defined as within 9b, you typically get low temperatures of between -3°C (27°F) and -1°C (30°F)

Zone 9b has a corresponding Sunset zone of 16-22.

Due to large differences in average temperature, USDA Zone 9b is typically known as Zone 3 in Australia.

Hello, new zone 9b gardeners! View all


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New gardens in zone 9b View all

  • mrgrytyrll's DWC - 10gal tote garden

    DWC - 10gal tote garden

    Zone 9b 10 gallon Rubbermaid tote as a reservoir with 6 3" net pots filled with hydroton. 7.8LPM Hydrofarm air pump with a 3" Top Fin air stone disc. Curre...

    • 1
    • 0
    • 0
    • 0
  • Zura's Seedling Tray garden

    Seedling Tray garden

    Zone 9b Using when I need to start a few seedlings that I didn't think about in time to direct sow in Raised Bed. 15-place seedling propagation tray (pl...

    • 5
    • 0
    • 0
    • 0
  • Zura's Enclosed Raised Bed garden

    Enclosed Raised Bed garden

    Zone 9b Wanted to start a little raised bed garden. Got permission to use a bit of place behind the kennel that my in-laws run. After getting some of the n...

    • 8
    • 0
    • 0
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  • Zura's Strawberry Gro-Bag garden

    Strawberry Gro-Bag garden

    Zone 9b Gifted a small Grow-bag with plant to mother-in-law since she loves strawberries (and I'm allergic and therefore don't grow them). Adding it to my ...

    • 1
    • 0
    • 0
    • 0
  • digduggarden2's My Backyard garden

    My Backyard garden

    Zone 9b

    • 78
    • 0
    • 0
    • 0

Popular plants for zone 9b gardens

More USDA Zones Map


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