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Johnsongrass and crabgrass are invasive weeds that can overtake your lawn. Crabgrass is a low-growing grass most often seen in lawns, flower beds, and vegetable gardens. While you may find Johnsongrass growing in your lawn, it will also grow in pastures, crop fields, and the edge of the road. Johnsongrass is much coarser than crabgrass. If left alone, Johnsongrass can grow up to 8 feet tall. 

All herbicides come with risks, but you can control and mitigate risks by discussing your options with your weed service company before application. Some companies use milder or sustainable herbicides more times per season to control weeds rather than one to two herbicide sprayings annually. You can also ask your professional about pet-friendly and kid-friendly services. In most cases, though, you can wait a few days after the application for the herbicides to soak into the ground, at that point they shouldn’t pose a risk to you or your family.

Yes, suggesting companion planting and mulching to minimize new growth.

A spot herbicide for weed control is effective at killing crabgrass and not grass, but it depends on the type of herbicide. Always check the label to ensure that your herbicide is safe for grass but tough on crabgrass. Overall, spot treatment is ideal because it puts fewer herbicides into the soil, which can damage the soil. If you’re wanting a natural remedy to crabgrass that also won’t harm surrounding grass, you can also hand-remove crabgrass or even pour boiling water or 5% vinegar over crabgrass as a spot treatment.