Lawn weeds may conveniently be divided into two classes based on the way in which they emerge from the seed. Monocots emerge with a single seed leaf whereas dicots emerge with two seed leaves. Most monocot weeds found in turfgrass are from the family Gramineae and are termed weedy grasses . Examples include crabgrass, annual bluegrass, tall fescue, and quackgrass. Dicots, on the other hand, are [...]
Dandelion bloom usually peaks in early May. Bob Mugaas
Early May is usually when we see peak dandelion bloom. This often causes people to run out and buy some form of a weed control product to kill them off. However, the real preferred time to kill dandelions is in the fall of the year when the plant is moving food down to the root system to be stored over winter. Nonetheless, [...]
Bob Mugaas, University of Minnesota Extension Educator
Early May usually finds most Minnesota lawns well into turning green and in need of a first mowing. Remember that the early part of the grass growing season, late March through the first part of May, is when our lawn grasses produce the best root growth of the year. Therefore it is important to not be mowing too short as [...]
Crabgrass-Common Weeds of the United States
Crabgrass is a recurring problem in many home lawns, but it need not be. Crabgrass is a warm-season annual grass. Our lawns are composed of cool-season perennial grasses. Providing the right environment for desirable grasses to flourish deprives crabgrass of its best environment.
To keep lawns thick and healthy so there's little space for [...]
To control root feeding insects such as grubs and billbug larvae, thoroughly water the lawn immediately after treatment. Imidacloprid (Scott’s Grub-Ex), first marketed a few years ago, is an outstanding grub control if used properly. Imidacloprid is slow acting in soils, but has an outstanding residual activity.
Click here to find more information about lawn and turf insects.