Knowing when to plant in specific hardiness ... The maps below show these planting regions. Trouble seeing the map? Click here to view the planting zones for the North Central U.S. Trouble seeing ...

Trees near the southern edge of their geographic ranges — what scientists refer to as “plant hardiness ... trajectory, so hardiness zones may actually shift further north.

Zones 1-6 are the coldest, and 7-13 the warmest. Zone 1 averages -60 degrees F while zone 13 never drops below 70 degrees F. A general guideline is to plant anything designated for your zone or lower, ...