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 map ...
The United States Department of Agriculture (USDA) has released a new Plant Hardiness Zone Map (PHZM), the first update since 2012. The new map shows that most of the country, including New York ...
Read How to Use the USDA Hardiness Zone Map for a Thriving Garden from Money Talks News. Fall is prime time to evict unwanted plants once and for all, experts say — do it without all the bending and ...