Order 2016 Almanac Now - Get 3 FREE Gifts
Thank you Carol You areThank you Carol You are correct. It was Sulfur not copper. I found my answer in a 1957 published Gardening book last night.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?