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Selective Weedkiller on New Seed

I applied Dicophar weedkiller to my lawn last year and wish to do it again. However the instructions state: "Do not treat new lawns until established for 6 months." Since I have overseeded and repaired bare patches on the lawn, does this mean I cannot use my lawn weedkiller again this year as it might damage the newly seeded parts that are less than 6 months old? Madra, Abbeyfeale, Co Limerick Posted: 15/05/2017

Yes, lawn weedkillers can damage young grass, especially with other stresses such as dry soil and warm weather.

Having used it last year, it should not be necessary after just one year. 



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