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Linda from Benton, Arkansas writes

When is the best time to apply Agrisel Pendi Hydrocap Pre - Emergent Herbicide for grassbur or sandburs if it only controls for 6 months?


Pre-emergents like Agrisel Pendi Hydrocap Pre - Emergent Herbicide are best applied 2 times a year, once in late fall and then again in early spring when soil temps are just below 55 degrees. Timing can vary from region to region and is an important factor in the results of the application.  View our Lawn Care Calendar Schedule for Warm and Cool Season turfgrasses for more information on the best time to apply or reach out to your Master Gardener with the County Cooperative Extension Office for their timing recommendation. 

Answer last updated on: 11/03/2022

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