A Peggy Martin rose blooms in Martin's garden.
Mandatory Credit:	Edmund D. Fountain for CNN via CNN Newsource

A Peggy Martin rose blooms in Martin's garden.
Mandatory Credit: Edmund D. Fountain for CNN via CNN Newsource

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A mysterious rose survived Hurricane Katrina and spread throughout the US. Its origins are still unknown

If you follow the Mississippi River to where it meets the ocean, you will be in Plaquemines, Louisiana’s southernmost parish. Known for its seafood and offshore oil and gas, Plaquemines is also where an unknown rose withstood the brutal force of Hurricane Katrina.