Read Your “Weeds”

On August 16, 2011, in Lawn Issues, Lawn Weeds, Services, by Admin

Question:  My lawn was weed free after the last application of herbicides, but then became weed infested again?

Answer: It is not that the application didn’t work. Weeds actually tell you a lot about the condition of your lawn and are an indication of what you need to do to grow healthy grass. Weeds thrive in soil that is compacted, poorly fertilized, and not pH balanced. They are also found in lawns that are improperly watered, seeded, and mowed. As you can see it takes more than just fertilizer to make your lawn weed free. Eliminate the conditions that promote weeds by doing the following:

  • Aerate your lawn in either the spring or fall. Aerating removes soil plugs from the lawn and allows air, water and nutrients to reach the root system. This increases the activity of soil microorganisms that decompose thatch. Often times, aerating is done to help relieve soil compaction. Soil compaction reduces the amount of air in the soil and is a physical barrier to root growth.
  • Dethatch your lawn if needed. Thatch is a layer of grass stems and roots on the surface of the soil. When it becomes 1/2″ or more, the grass roots will grow within the thatch instead of in the soil. If thatch build up is not controlled, grass is susceptible to insects, disease, and weather stress.
  • Use proper mowing techniques. Improper mowing techniques cause many lawn problems. If you mow lower than 1 1/2 inches you can kill the root system. A low mowing height also allows sunlight to reach weed seeds that are trying to germinate. A majority of lawns should be kept at 3 – 3 1/2 inches. This will help create a deeper, more drought-resistant root system. Also, keep your mower blades sharp! By doing so, you will prevent the development and spread of fungal diseases. Mow in different directions. Mowing in the same direction can cause compaction, which weeds love! Try not to cut wet grass. Wet grass causes uneven cuts, the clippings to clog the mower, and clumps can block sunlight. With proper mowing techniques, you will see a huge improvement in the health and appearance of your lawn.
  • Maintain the pH of your soil. An ideal pH level is between 6.5 and 7. If it is lower than 6.5 your soil is too acidic and above 7 your soil is too alkaline.
  • Properly fertilize your lawn. For those who want their lawn looking the best they should fertilize a minimum of 4-5 times a year. Fertilized lawns are greener, denser, and healthier than unfertilized lawns. It also helps make lawns resistant to drought, insects, and diseases. We now offer an organic fertilizer program as well as our granular program.
  • Water your lawn. A typical lawn needs 1″ – 1 1/2″ of water per week from either rainfall or irrigation. Be sure to water deep but infrequent. The soil should be soaked to a depth of 6″.
If you have any questions please contact Tara at 217-347-7500!

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