Mike will discuss results from his multi-year pre-emergent herbicide timing trials at two field sites in New York. He will provide some practical tips for fall herbicide applications to maximize product efficacy, and will briefly review some pre- and post-emergent herbicide products. Presented at North Central Washington Tree Fruit Days 2023 co-hosted by WSU Extension, NCW Fieldmens Association, NW Cherry Growers and Pear Bureau Northwest.