Q&A for How to Treat Lawn Fungus

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  • Question
    My soil is dense and compacted and I plan to overseed. Is it okay to aerate in the spring and again in the fall? Is there something I can top the soil with to improve it?
    Anthony "TC" Williams
    Experienced Landscaper
    Anthony "TC" Williams is a Professional Landscaper in Idaho. He is the President and Founder of Aqua Conservation Landscape & Irrigation, an Idaho Registered Landscape Business Entity. With over 21 years of landscaping experience, TC has worked on projects such as the Idaho Botanical Garden in Boise, Idaho. He is a Idaho Registered Contractor and a previously Licensed Irrigator in the State of Texas.
    Experienced Landscaper
    Expert Answer
    Yes, to both questions. Aeration twice a year (with soil more dry than moist) and leaving the plugs to naturally break down will help greatly. Top dress with a light topsoil and sand mixture by spreading it out in 1/2" to no more than 3/4" deep and rake in smooth to help loosen the compacted soil.
  • Question
    Do you have to apply fungicide during certain temperatures?
    Anthony "TC" Williams
    Experienced Landscaper
    Anthony "TC" Williams is a Professional Landscaper in Idaho. He is the President and Founder of Aqua Conservation Landscape & Irrigation, an Idaho Registered Landscape Business Entity. With over 21 years of landscaping experience, TC has worked on projects such as the Idaho Botanical Garden in Boise, Idaho. He is a Idaho Registered Contractor and a previously Licensed Irrigator in the State of Texas.
    Experienced Landscaper
    Expert Answer
    Yes, fungicides work best in certain temperatures, which will be specified on their label. Follow the label directions precisely and carefully for best results.
  • Question
    What does lime do to a lawn?
    Community Answer
    It adjusts the pH of the soil from acidic to a more neutral pH. This aids in absorption of nutrients and helps fertilizer to be absorbed, leading to a healthy, green lawn.
  • Question
    Is mil organize a good slow release nitrogen fertilizer to help with red thread disease in my lawn?
    Community Answer
    You might be thinking of Milorganite. This is a low nitrogen, slow acting natural product. Check out their website.
  • Question
    How do I rid my lawn of moss and mildew?
    Community Answer
    Moss grows mainly in shady areas with poor fertilization and drainage. Apply iron sulfate to the area and fertilize with nitrogen. Improve drainage as best you can. You may have to dig up some areas and replace the soil with a well draining, sandy soil.
  • Question
    My lawn has stopped growing. It has a lot of brown grass and looks dark. I water 20 minutes every other day and have fertilized, too. What could be the problem?
    Community Answer
    Lawns should be given 1" of water per week. Do it all on the same day; watering for 20 minutes every other day encourages the grass roots to "go shallow" instead of deep and strong. Deep and strong encourages drought/disease resistance. Too much fertilizer can "burn" the grass; I have found Scotts Lawn Care program to be ideal.
  • Question
    How do I get rid of brown patches on my lawn?
    Community Answer
    Water the grass every day, and do not use chemicals on it.
  • Question
    I have globules of green slime on my lawn. The lawn is old, on a slight slope and surrounded on one side by tall trees. Does anyone know what it is and how to get rid of it?
    Community Answer
    This green slime is known as Northwest Lichen residue; it can be removed with salt.
  • Question
    How do I get rid of moss without digging up my lawn?
    Community Answer
    Squirt vinegar on the moss on a sunny day. This should burn and kill the moss.
  • Question
    What do I do if my grass is turning white?
    Community Answer
    Get insecticide - the granular type that will kill moths and other underground pests destroying the root system of grass.
  • Question
    Is there a treatment for lawn mushrooms?
    Community Answer
    You could use any antifungal spray or copper sulphate. Also, reduce watering.
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