Crabgrass preventers should be applied before fertilizer to reduce the likelihood that the grass will put on growth too early in the season. Many products combine preemergent and fertilizer, but ...

The fertilizer releases evenly over an eight- to 10-week period without that flush of growth that can have you mowing more than you want. The crabgrass killer is Dimension. And its “extra ...

Timing is important because if you apply crabgrass preventers too soon, its 8- to 10-week effectiveness window is dwindling at a time when conditions are still good for crabgrass germination.

There is an increasing movement to reduce pesticide and fertilizer use in lawns. Not everyone desires a green carpet lawn and will tolerate a few weeds. Crabgrass, like all weeds, is opportunistic.

If the lawn had weeds last summer, it is time to apply a pre-emergence herbicide for control. It has been very warm this winter, so hopefully we have not missed our window of treatment.

This spring I intend to start using Scott's lawn-care program on this new grass. The program calls for the application of their fertilizer with Halts Crabgrass Preventer.

Weather services provide soil temperatures, and although it varies by the year, crabgrass preventer is usually best applied by late April. Q: Our back yard is 50 percent clump fescue.

Ask a Master Gardener: Crabgrass preventer, moss and winter burn April 22, 2018 at 5:05 a.m. | Updated April 22, 2018 at 12:43 p.m. by James Quinn, Regional Horticulture Specialist ...

April If you're applying a short-term crabgrass preventer, do so around the first of April. Water it in. May to Aug. 15 If you're putting in or refurbishing a warm-season lawn, look for plugs ...