Today's guest is Dr. Allan M. Armitage (aka Dr. A) -  World renown horticulture writer, speaker, teacher and researcher.  Dr. A is also the recipient of numerous prestigious horticultural awards.  He has recently written an App for smartphones and tablets -  “Armitage’s Greatest Perennials & Annuals” - that serves as a bridge between industry and consumer.     The Garden Guys Green Revolution Radio is the best ‘green’ show on stream, podcast and radio.  Whether your interests are annual, perennial, or vegetable gardening, birding, beekeeping, backyard poultry, green living, music, museums, wildlife, or just being entertained and informed, the Garden Guys promise to keep you ‘Down to Earth, Up to Date and on the Air