Join Home Depot Garden Club for Coupons & SpecialsDo you like to garden? Then be sure to join the Home Depot Garden Club – it’s a free email list that delivers lots of seasonal, pertinent gardening information every few weeks or so, customized for your climate. Plus, the best part – they send out coupons with their emails for gardening-related stuff. As a member, you’ll also have access to “Ask an Expert,” a special service that enables you to ask a gardening expert for advice on your specific gardening problem.