Jean from Quincy Ma writes
The shelf life of dusts such as Captain Jacks Deadbug Brew Flower and Vegetable Garden Dust is usually 3-5 years once it was opened. The manufactured date or lot/batch number should be stamped on the bottle which would be used to tell the manufacturer when it was made and if still good if you wish to contact them at 800-536-8231.
Answer last updated on: 04/22/2021