Disclaimer: Reference to products is not intended to be an endorsement to the exclusion of others which may have similar uses. Any person using products listed in these articles assumes full ...

Interestingly, the first edition of the plant hardiness zone map was created by Arnold Arboretum at Harvard in 1927! And believe it or not, the most recent version of the USDA plant hardiness zone ...

When you’re shopping for trees, shrubs or perennials, the hardiness zone should be one of the first things you check.

In November, the USDA updated its Plant Hardiness Zone map for the first time in over a decade. It ranges from 1a to 13b, and the majority of the United States falls between zones 4 and 8.