Country Living on MSN10 个月
The USDA Plant Hardiness Zone Map Just Changed for the First Time in Over 10 Years
But before you buy your seeds, there's some very important information you must know: The USDA just updated their plant ...
来自MSN11 个月
Here's How to Use the USDA's Plant Hardiness Zone Map
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 ...