1 of 2 Diego Humphrey admires roses he grows in his front flower bed. He grows a variety of flowers around his front and back yards. CATHY SPAULDING/Muskogee Phoenix Diego Humphrey tends to a variety of herbs in a backyard bed. He said retirement will give him more time to grow vegetables and herbs. CATHY SPAULDING/Muskogee Phoenix Muskogee cardiologist Dr. Diego Humphrey goes the distance, whether it's in a marathon, in the garden or in the kitchen. "I'm somebody that, if I get something that interests me, I get 100 percent into it," he said. A native of Grenada, Humphrey said he ran track in his junior year in secondary school.Â