There are many different growing environments present in the United States. They range from the tropical regions of Hawaii to the frigid north of Alaska. It includes the subtropical parts of Florida and California and the Pacific Northwest to the hot, dry Southwest. The Midwest is characterized by a temperate climate while the southeast is hot and moist. The Northeast is influenced by the moderating effect of the Atlantic currents.

Many plant species were "discovered" by European plant explorers in this region and were then introduced to England and the rest of the world.

See some of the gardens the United States.

 

 
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