Politics... politics... politics... Perhaps that's why the USDA hasn't found the time (in 16 years!) to publish a new growing zone map.
But, the Arbor Day Organization has. Chilly Minnesota has warmed up from zone 3 to zone 4. Utah mountains have gone from zone 5 to zone 6. Click on the box below to see if your planting zone has changed. And, while you're at it, plant more trees. That might be the only thing that can save us from the next Dust Bowl.
10 FREE FLOWERING TREES are waiting for you at Arbor Day.
* This one's for you, Arizona! The net cooling effect of one healthy tree is equal to 10 room-size air conditioners operating 20 hours a day.