Yale Youngblood
Editor, GCP&S
Carol Miller
Editor, Garden Center Magazine
Jennifer McLean
Staff Writer
Sarah Martinez
Assistant Editor, Garden Center Magazine
Kevin Neal
Content and Design Director
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Dueling maps have gardeners questioning plant hardiness zones, USA Today reported. A growing number of experts said that because of the warming climate, the 1990 USDA map doesn't reflect a gradual shift northward of growing zones for many plants. A map published in 2006 by the Arbor Day Foundation shows marked movement of zones.
-- Sarah
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