An online talk on "What the science is telling us" by Doug Stewart, who is a professional horticulturist, plant enthusiast and weekend adventurer!  

For over 20 years Doug worked at a leading land-based college as Head of Horticulture, for the last 15 years he has been working as a horticultural business consultant, speaker and trainer.  Doug is also the co presenter of The Great Outdoors, a two-hour gardening phone in on BBC Radio Humberside.