What Types of Weeds Are Most Prominent?
There are two major weed groups that grow in your lawn throughout the year. Broadleaf (onions, clovers, herbit, dandelions …) that grow in cool temperatures. And also grassy weeds (crabgrass and dallisgrass) that grow during warmer temperatures. Each weed group has specific chemicals that are used for post emergent control. These chemicals can only work on these weeds within a certain temperature range. For example, broadleaf weeds can be controlled as long as temperatures stay above 32 degrees Fahrenheit. The colder the temperatures, the slower the results, usually 2-3 weeks. On the other hand, grassy weeds require 80 degree days and 70 degree nights for control. If it does not reach this range, you will see no results at all.