You can apply a pre-emergent as early as February if necessary. The timing of this is important, as crabgrass will begin to germinate and appear once the surface of the soil has been 55 degrees ...

When soil temperatures remain around 55 degrees for a few days, baby crabgrass plants start appearing. Depending on where you ...

If you apply pre-emergence herbicides too early, the barrier it creates may weaken before the germination window. This leaves ...