Is it safe to use rainwater harvested from an asphalt shingled roof to water my raspberry garden? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: Is it safe to use rainwater harvested from an asphalt shingled roof to water my raspberry garden? I am not so much concerned about the bacteria, but wondering about the chemicals from the shingles. Answer: Jonathan Foster, Home Horticulture Outreach Professional The short answer is that it’s complicated and different credible sources I found read more