Growing Roses for Beginners By: Stan DeFreitas Updated on: April 05, 2017 More Articles Kidney Infection Symptoms & Treatment Knitting a Sweater: Neckline Stitching Cooking Pork Fillets on the George Foreman Grill Collecting Antique Glass & Glassware Symptoms of Gastric Reflux Related About the Author Stan DeFreitas, also known as "Mr. Green Thumb," has worked as an urban horticulturist for the Pinellas County Extension Service and has taught horticulture at St. Petersburg College.