Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. When shopping for plants, you might notice labels that specify ...

Have you ever looked at the tag on a plant at your local garden center and been perplexed that it says something like “Zones 5-9”? This number refers to the “hardiness zones” defined by the U.S.

Unless you've got a heated greenhouse, you won't be able to grow citrus in Michigan or jasmine in New York for the simple fact that the winters are too cold. While the range limits of some plants are ...