Crabgrass FAQs

Learn about crabgrass and how to remove it.

Crabgrass Questions

  1. When do you apply the crabgrass control application?
    Weather permitting, but generally beginning the second week of April and ending two weeks after the forsythia blooms fall on the ground. Our experience has been crabgrass doesn’t usually start to show around edges of sidewalks and driveways until close to Memorial Day.


  2. How come in the middle of summer I still have a little crabgrass?
    When crabgrass fertilizer (pre-emergent) is applied in the springtime, it creates a blanket barrier on your lawn which stops the crabgrass seeds from germinating. This barrier, weather permitting, lasts approximately 8 weeks. Weather conditions along with mowing height play an important role as to the amount of crabgrass appearing once the barrier protection has worn off. Long hot and dry periods followed by wet weather can cause crabgrass to germinate, especially along the driveway and sidewalks of your lawn. For this reason we offer a round 4 application with post-emergent crabgrass control.


  3. Can I seed bare areas in my lawn after the crabgrass preventive fertilizer has been applied?
    Not until the barrier protection has been broken. Generally 30 days after the crabgrass pre-emergent has been applied and you scratch the surface of the area to break the existing barrier.