The Special Local Needs Label must be in the possession of the user at the time of pesticide application. The recommended rate is 3-4 pints per acre, using sufficient water to get good coverage. Applications may begin at bud break and continue through the bloom period at seven to ten day intervals. We are in the frost protection season for Michigan strawberries and blueberries. Plant tissue can be protected from freezing by sprinkling water.
Heat is released as water on the plant freezes.
This heat protects the tissues from freezing. Some frost protection can also be achieved by manipulating the soil surface. Strawberry flowers become progressively more susceptible to freezing as they develop. Sprinklers can protect flowers down to 20 F with no wind. Use a nozzle size and spacing that delivers 0.1 inches of water per hour.