It is the time of year that you should be applying pre emergent fertilizer on your lawn. The pre emergent will prevent crabgrass from germinating. Typically the crabgrass germinates when the weather starts to warm up, but since it has been so cold this year in St. Louis, the crabgrass has not had a change to germinate. This gives you plenty of time to get the fertilizer with pre emergent down.
Temperatures in St. Louis are still dropping into the 20’s at night and keeping the grass dormant, but be ready to start mowing once this weather warms up a little bit. The grass will take off from all of this rain and snow we have been getting. Remember to mow your lawn regularly with sharp blades when it does start to grow.