This is typically 1 inch of irrigation water per week. During hot, dry periods, this may be every five to seven days. One inch of irrigation water will wet the soil to 6 inches deep, and encourage a healthy, extensive root system. Watering lawns three or more times per week will create moist surface soil conditions and promote weed seed germination and growth.
Look for areas that stay excessively wet and make corrections so that water drains or is directed elsewhere. Fertilize and lime at the proper time and according to a soil test. Proper lime application will help to maintain a soil pH where nutrients are readily available to the turf.
In general, spring nitrogen fertilization should cease in March. Core aeration helps relieve the soil compaction that prevents optimum root growth and favors many weeds.
Core aeration is superior to spike aeration. Even when cultural practices are heeded, weeds can appear. If the number of weeds reaches an unacceptable level and pulling by hand is out of the question, you may want to turn to herbicides.
At this point, it is important to know what weed you are trying to control. Preemergence Herbicides: Preemergence herbicides are applied to the soil prior to weed seed germination.
They provide good control for many annual grassy weeds and are the best weapon against crabgrass. They also control some broadleaf weeds. Most are in a granular formulation, but some are applied as a liquid spray. This activates the herbicide, which is absorbed by the young roots of weeds as they begin to grow. On average, this is March for the piedmont and mountains.
On average, this is September 1 to 15 for the piedmont and mountains. Preemergence herbicides are generally effective for six to 12 weeks, depending on the product. For season long control, make a second application nine weeks after the first. Before using, read the entire label and follow it precisely. See Table 1 for examples of herbicides and products. Postemergence Herbicides: Postemergence herbicides target visible weeds. They are used primarily against broadleaf weeds, perennial grasses, and sedges.
Cut the fescue grass down to 6 inches in height if it is longer than that later in the year. This will make herbicides more effective in killing it. Longer fescue grass is hardier and more resistant to chemicals. Request that a lawn care service apply TFC in the Fall. TFC stands for "Tall Fescue Control" and it is a restricted-use herbicide that will slowly kill fescue grass while leaving other grass around it intact.
Lawn Care Resources. Product was successfully added to your shopping cart. Print This Page. Tall Fescue Control How to Get Rid of Tall Fescue Grass This page is an expert guide on getting rid of Tall Fescue from your yard using the products and methods suggested by our experienced lawn care specialists.
Identification Make sure that before you carry out treatment applications that you first properly identify the plant and confirm that it is Tall Fescue. Tall fescue is a dark-green grassy weed with thick blades and starts growing during the cool seasons. It spreads quickly via by seeds and stems. The stems of fescue can produce new stems, making it harder to remove from the roots. The extensive root system can range between 2 to 3 feet in depth making it a tough grass to kill where it is established.
Tall fescue does not have the essential nutrients that livestock needs to survive and reproduce. Fungus thrives on fescue; thus, the more that fungus grows, the more fescue flourishes and spreads to the rest of the garden.
Fescue is toxic to plant health because fungus yields chemicals on the strands of fescue. Therefore, it deters birds and animals from feeding on it. Inspection After you have confirmation that you are dealing with Tall Fescue, proceed with an inspection to find out where the Tall Fescue is concentrated and what conditions may be helping the weed to thrive.
Where to Inspect Tall Fescue can grow well in both sun or shade but grows best in moist environments. What to Look For Tall Fescue has a clumping habit, so keep an eye out for thick bladed grass that is course and grows in out of control clusters.
Treatment Now that you have performed an inspection of your invasive Tall Fescue, you can move on to chemical treatment, Please be sure that when handling any type of herbicide, you are properly protecting your skin and eyes with personal protective equipment.
Step 2 - Reseed Area As noted earlier, Tall Fescue cannot be killed without also killing the desirable grass in your lawn. Prevention After you have killed and removed the Tall Fescue from your lawn, you don't want it to reestablish. Tall fescue Festuca pratensis is both a valued lawn grass and a tough customer to eradicate from undesired areas. Simply digging up the grass clumps can be done in very small areas, but herbicides are the way to go for large areas or areas that are on a slope and in danger of erosion.
Herbicide application should provide about 95 percent control of fescue grass. If the eradication is done in the fall, a repeat application is necessary in the spring to eradicate any plants that grew from seed produced the previous summer. Wear protective clothing such as a long-sleeve shirt, long pants, closed-toed shoes, gloves, safety glasses or goggles and a dust mask. Fill a sprayer designated for herbicide use with water and test and adjust the spray nozzle before adding herbicide.
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