Research in Florida has shown that hybrid roses grafted on 'Fortuniana' rootstock (Rosa fortuniana, 'Double White Cherokee') grow larger, are more vigorous, produce more flowers, and live much longer than plants grown on any other rootstock. 'Dr. Huey' rootstock is a distant second-best.

 More information on growing roses in Florida can be found here: http://edis.ifas.ufl.edu/ep339