Clinton from Salem writes
Is this a good idea, bad idea? it is probably several years old.
Yes, Bonide Mancozeb Flowable with Zinc Concentrate is labeled for both black spot and rust on ornamental plants. For ornamental plants such as roses, you would use 3 tsp of Bonide Mancozeb Concentrate per gallon of water. If your Bonide Mancozeb Flowable with Zinc Concentrate was stored in a temperature stable environment, meaning not subject to freezing or very high temperatures the shelf life is 3 – 5 years.
Answer last updated on: 07/20/2018
