There, he continues his lifelong research into new vegetables to grow in Palm Beach County.Guzman has developed lettuce, celery, beans, radishes and other crops to plant in the black-dirt muck of an increasingly urban county that still remains rural on the western edge.lRelated PoliticsAgriculture chief doesn't see pot as boon for Florida farmersSee all related8 One is the crisp, leafy Guzmai