I have a Master of Science degree in Plant Pathology; I was a Master Gardener for thirteen years; and I’ve worked as a horticultural consultant.
I have no connection with any institution or products related to the horticultural industry. Any discussion of particular companies or resources represent personal experience and do not constitute an endorsement or recommendation.
Gardening in the Mud 
A superb source of very practical information, provided by a highly knowledgeable gardener and communicated in a very articulate and engaging format. Beyond the posts, the “if you don’t see it, just ask” feature is of course of great value. Check it out regularly and have your garden be the envy of the neighborhood!
Thank you for the recommendation.