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 898 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, Basil, Bean, Carrot, Cucumber, and Onion.

Some locations recently identified as being in this zone include Berkeley (United States), Vallejo (United States), Berkeley (United States), Orlando (United States), berkeley (United States), Christmas, FL (United States), Long Beach (United States), Paisley (United States), Titusville, Florida (United States), Oakland (United States), Davis (United States), Mountain View (United States), Oakland (United States), Riverview, FL (United States), La Canada, ca (United States), Mountain View (United States), El Cajon (United States), Fort Bragg, California (United States), Oakland (United States), Livermore (United States), Sacramento (United States), Bastrop (United States), Orlando, Florida (United States), Los Angeles (United States), Oakland (United States), sebastian, florida (United States), Berkeley (United States), santa rosa,ca (United States), Santa Rosa (United States), and DeLand, FL (United States).

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

JackTruelove
Aligorn3
ecokatze
Ninerfan
nigellasativa
lisbeth
NativeGarden86
gardenbears
budmiles
primechuck
Mrs_Genevieve

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New gardens in zone 9b View all

  • JackTruelove's Various containers garden

    Various containers garden

    Zone 9b Just a place to keep track of the various containers of edibles around the place.

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  • JackTruelove's General Orchard garden

    General Orchard garden

    Zone 9b A pretty spread out orchard, and a few trees in various spots on the property – basically this covers all the larger fruiting trees at my place.

    • 2
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  • alxh88's Desk garden

    Desk garden

    Zone 9b

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  • JackTruelove's Veggie patch 7 garden

    Veggie patch 7 garden

    Zone 9b A seasonal patch, used only in spring and summer. Originally singe dug. This bed is on low ground and bogs seriously during the wetter months, so i...

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  • JackTruelove's Veggie patch 6 garden

    Veggie patch 6 garden

    Zone 9b A long standing vegetable garden, set up by my mum and day in the early days. It is a slightly raised (10cm) bed, built onto the clay soil of the p...

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Popular plants for zone 9b gardens

More USDA Zones Map

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