Southwest Florida's growing zones shift north as planet warms; so do half of rest of U.S. ... The USDA’s Plant Hardiness Zone Map is used by at least 80 million farmers and gardeners, ...

A beautiful Florida landscape might bring to mind visions of heart-shaped Caladium leaves, oak trees draped in Spanish moss, and colorful dahlias—all well-suited to the Sunshine State’s unique ...

The new map reflects that many areas have become warmer since 1990, when the previous USDA hardiness zone map was published. Significant portions of many states have shifted a least one full zone ...