by Larry Hodgson July 11, 2018 3 Gardening Irrigation Laidback Gardener Tip of the Day Vegetables Watering Can Roof Runoff Be Used for Vegetables? Question: Can rainwater collected from an asphalt shingle roof be harmful to vegetables and other edible plants? M-C Chevrette Answer: TheContinue Reading Share this:TwitterFacebookLinkedInPinterestLike this:Like Loading...