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Definition of zone

Categorized under "General"

Definition as written by Greenwood:

Geographic zones having similar patterns of weather

Definition as written by Terry:

Here's a link to a map and tool for finding your zone:

Definition as written by PotEmUp:

A term generally used in gardening to refer to the United States Department of Agriculture's Plant Hardiness Zone map.

Additionally the American Horticultural Society has a Heat Zone map. Information and how to find your Heat Zone may be found at

For Western gardener's Sunset Magazine devised 24 zones about 40 years ago, which are much more localized than the USDA zones. With the addition of Texas, the number of zones was enlarged to 33, some even broken down into sub zones. You can get more information at To be truly useful, you do need to refer to the Sunset's Western Garden Book.

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