Lawn Company Sprayed Barricade Pre-Emergent On New Lawn

Q: A lawn maintenance company sprayed Barricade pre-emergent on my new lawn. The grass sod was laid in February. Can I can do anything to minimize the negative impact it will have on my lawn?

A: I don’t know exactly which Barricade product the company used but the label on Barricade WG says “do not use on sod until it is well-established”. The chemical in Barricade, prodiamine, prevents weeds by inhibiting root and shoot growth. That’s why it should not be used on newly laid sod. Contact your lawn service area manager and ask what they can do to make things right.

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