Lawn Disease Diagnosis


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Lawn Disease Diagnosis

Lawn Diseases in Colorado

Lawn Disease Diagnosis Grass diseases in Colorado are a common problem, but they are usually a symptom of a problem in a lawn that is caused by humans. Believe it or not 99% of lawn fungus problems are caused by improper watering and improper lawn care cultural practices.

Professional Lawn Care Evaluation

What is included the lawn care evaluation from Organo-Lawn:

Grass Diseases in Colorado

  1. Identification of the Predominant Grass Type
  2. Identification of Problem Grasses
    a. Controllable-i.e.Crabgrass, Foxtail, Barnyard Grass
    b. Uncontrollable- i.e. Tall Fescue, Bentgrass
  3. Measurement of the Thatch Level
  4. Weed Identification
    a. Dandelion, Clover, Kosha, Mallow, Plantain, Thistle, Bindweed, Spurge, Oxalis, Wild Violet, etc.
  5. Measurement of Mowing Height
  6. Effectiveness ofLawn Watering
  7. Composition of Soil
  8. Measurement of Grass Root Depth
  9. Lawn Disease or Fungus Identification
    a. Lawn Disease or Fungus Management Recommendations
  10. Insect Identification
    a. Insect Management Recommendations
  11. Special Circumstances
    a. Drainage, Bare Spots, Sunlight, Hills, Traffic, etc.
  12. Lawn’s Present Condition
  13. Lawn's Potential
  14. Specific Recommendations of the Licensed Professional


As soon as possible after the problem is noticed it is important to contact us.

What Are the Most Common Lawn Fungus Problems in Colorado?

Necrotic Ring Spot Lawn Fungus (NRS) for example is a severe lawn disease that is a symptom of severe over watering and dead soils. Necrotic Ring Spot fungus is caused by severe over watering of a lawn for a long very period of time. The over watering of the lawn typically is over a period of months or years. This common Colorado lawn fungus takes a long time to correct because the cure for Necrotic Ring Spot is to repair the beneficial microbial activity in the soil. Necrotic Ring Spot is commonly found in lawns with sprinkler systems.

Ascochyta Leaf Blight Fungus is a minor lawn fungus that is commonly found in Colorado lawns that have shallow digging grass roots. Dollar Spot Disease is another name for Ascochyta Leaf Blight and these shallow grass roots are typically caused by shallow and frequent lawn watering. Ascochyta Leaf Blight is one of the common lawn diseases in Colorado.

Other Common Lawn Problems of Boulder and Fort Collins

Insect pressure and lawn diseases are always a symptom of a bigger problem with the lawn care practices. Necrotic Ring Spot Fort CollinsProper identification of the insect pressure, fungus or lawn problem is the first step in recovery. Many times a lawn will have a brown spot that the homeowner might think is a lawn fungus or a lawn insect, but it is often just poor sprinkler coverage .

Organo-Lawn believes in fixing the cause of the problem instead of treating the symptoms. For instance, if a lawn has brown spots that are caused by poor sprinkler head coverage. Instead of treating the area with a product like revive, we would prefer to correct the sprinkler coverage issue with a sprinkler audit. We will never attempt to sell our customer unnecessary services such as fungicide applications or unnecessary insecticide applications.

If the lawn problem is actually a lawn disease we will start by properly identifying the lawn disease and our lawn care experts will explain to our customer what is causing the lawn disease to grow in the lawn. Our professional lawn care technician will then make recommendations and changes to the lawn care cultural practices to correct the cause of the lawn fungus. If we address the cause of the lawn problem and adjustments are implemented, then the lawn fungus problem will not return to the lawn in the future.

All our lawn care technicians that perform disease diagnosis' are done by a highly trained and often state licensed lawn care expert. He or she will closely inspect the lawn and give an analysis of your lawn's overall health and potential, evaluate any damaged or problem areas and make recommendations to repair the lawn problem and prevent the lawn care problem from returning in the future.

The two most common grass diseases in Colorado are necrotic ring spot fungus (too much water) and ascochyta leaf blight fungus (short digging grass roots). Both of these lawn diseases are very common in the Boulder and Fort Collins areas.

Learn more about common Colorado grass diseases by calling our offices in Boulder (303) 499-2000 or Fort Collins (970) 225-9425.

FAQ - Disease Diagnosis

What is the most common lawn disease in Colorado?

The lawn disease that is most commonly found in lawns around Boulder and Fort Collins Colorado is called Necrotic Ring Spot Fungus (NRS). NRS is a clear sign that the lawn has been severely over watered for many months. Typically the most damaging lawn fungus problems like Necrotic Ring Spot are caused by severe over watering of a lawn for a long period of time.

Lawn Care Services FAQ

Due to the hot and dry climate of Colorado many homeowners and even professional lawn care companies think that a lawn needs to be watered every day. Daily lawn watering is extremely damaging to a lawn and and we always recommend following the 1-2-3-2-1 watering technique. This lawn watering technique is the ideal way to water a lawn in Colorado.