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Val from Caldwell, Idaho writes

How late in the season can I spray Hi-Yield 2, 4-D Selective Weed Killer to effectively kill dandelions ?

Answer:

Hi-Yield 2, 4-D Selective Weed Killer is a selective post emergent herbicide so applications may be continued as long as the weeds are actively growing. We recommend contacting your local co-operative extension office for application times in your region.   

Answer last updated on: 10/26/2016

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