The devastating citrus disease, Citrus Canker, was only a problem in the southern part Florida in 1995. In 2004 four hurricanes swept through the state and when it was over, citrus canker was found in nearly every corner of Florida. While other citrus diseases are spread by pest, Citrus Canker is driven by wind and rain. Research has shown that the disease from one area was found over 50 miles away after a storm passed over the area. If a citrus tree was exposed to a citrus disease, then was purchased and moved before it showed signs of the disease, it could potentially threaten unexposed trees, miles away before anyone suspected there was a problem.