Image by Kathleen Moore[/caption]
When weeds are present, it usually indicates something is missing from the growing conditions the turfgrass is experiencing. Recognizing the different kinds of weeds helps to unravel the mystery of what needs to be changed to achieve a healthy lawn.
Too little nitrogen allows white clover, crabgrass, broomsedge, and speedwell to thrive. While the opposite, excess nitrogen from too much fertilizer, will yield annual bluegrass, chickweed, and ryegrass.
Weeds that indicate you’re mowing too closely and too frequently include annual bluegrass, chickweeds, moss, pearlwort, and crabgrass.
Soil conditions can also play a major role in weed development. If you have compacted soils, you’ll find these weed combinations: annual lespedeza, broadleaf plantain, goosegrass, prostrate knotweed, and prostrate spurge.
With wet soils, lawns will have moneywort, pearlwort, liverwort, moss, and sedges as their weed indicators. In dry soil conditions, yellow woodsorrel, black medic, and bracted plantain are commonly found.
Before mowing starts this spring, take time to see what types of weeds are present in your lawn. Continue to monitor the kinds of weeds that appear. Their presence will let you to know what changes need to happen to cultivate a dense and healthy lawn.
— Jan McGuinnREAD THE REST »