Mike from Baudette, Minnesota writes
Ortho Weed B Gon Weed Killer For Lawns Concentrate 2 is best kept away from freezing temperatures. If frozen and thawed repeatedly it would be best to replace it.
Otherwise most products will have a shelf life of 3-5 years if stored properly in a temperature stable environment (between 45 and 75 degrees) and out of direct sunlight.
Answer last updated on: 06/26/2021
