Crabgrass

Time for crabgrass prevention: The threat temperature for application of pre-emergence herbicides for crabgrass control occurs at 52°F (11°C). You can be prepared by monitoring the threat tempreature forecast on your PACE Turf Weather Updates.

Herbicide efficacy: Products such as dithiopyr (Dimension), oxadiazon (Ronstar), pendimethalin (Pendulum) and prodiamine (Barricade) have shown good results, with four months or more of residual control. These products can also provide good pre-emergence control of other grassy weeds such as annual bluegrass, foxtail, goosegrass, knotweed,…