Helpful Hints for Vegetable Gardening by Allen Pyle. Take your vegetable gardening to the next level with practical and effective tips from UW-Madison Extension Horticulture Outreach Specialist Allen Pyle. Allen has degrees in both horticulture and entomology, and he has 30 years of professional horticulture experience. Allen will provide tips on a range of topics, including seed starting, container gardening, variety choice, planting to enhance biological control, and more.