Michael from Colonial Heights, Va writes
Application timing of Pennington Pro Care Crabgrass Plus 22-0-6 .25 Uflexx .172 Dithiopyr will vary by region and the best person to ask about application timing is your local master gardener who works at your local cooperative extension office. Pre-emergents are generally applied in both the Spring and Fall for the best control.
Answer last updated on: 10/11/2016
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