Lawn Health Care Services
Lawn Insect and Disease Control
Here in Colorado we do experience some turf disease and insects. Below are mentioned some of the more popular problems that we do encounter. By no means is this a complete list, but some that we believe you should be aware of.
turf insects
turf mites:
During dry late winter and spring months, turf mites can become active, feeding on the turf. Mites tend to be attracted to turf located by southern exposures, evergreens, and rock areas. As temperatures start increasing, and soil conditions dry out, the damage can be serious. When these dry conditions exist, we recommend a combination of watering the lawn and treating these locations to control the mite numbers.
Photos by Mary Small, CSU Extension Agent.
turf grubs:
We do occasionally see grub problems throughout the metro area. Most of the time the levels are low and control is not needed. In the past year we have encountered more problems with this pest. Late in the summer (Aug/Sept), areas of turf start dying back as the grubs feed on the root systems. Clumps of grass pull up easily, exposing the grubs feeding in the thatch layer.
Photo of grubs courtesy: A.J. Koski, Colorado State University
turf diseases
Necrotic Ring Spot:
This is a tough to control disease in Bluegrass lawns that takes time to control. In addition to fungicides, we recommend over seeding and amending the soil to help stimulate the soil health. This disease creates circles or serpentine patterns throughout the lawn. Most of the time it does take a few years of control. If you think you have this, contact us for some additional information.
Photos courtesy of CSU Extension
Ascochyta Leaf Blight:
This is a leaf blight that causes Bluegrass to turn straw color. This tips will appear to brown out and give the lawn this straw color. We tend to see this problem during hot, dry conditions followed by wet periods. This disease does resemble drought stress. If your lawn is resembling these problems, give us a call to check it all. A fungicide will take care of the problem in a timely manner.
Photos courtesy of CSU Extension
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