It’s spring in Savannah, GA. That means it’s time to wash the yellow gook off your car, and start working about lawn fungus. Gro-Masters has been a trusted lawn care service in Savanannah, GA for over 20 years. This is our second article about lawn fungus. To see the first lawn fungus article with descriptions of different lawn funguses, click here.
The mostly humid, hot climate in our area makes your lawn vulnerable to fungus, a blight which can quickly transform your grass from lush to lackluster. Here are some of our suggestions on how you can treat fungus if it appears on your lawn, as well as some ideas on how you can keep lawn fungus at bay.
High rate nitrogen fertilizers can be the culprit behind fostering fungus on your lawn if used improperly. This is because nitrogen contributes directly to lush grass growth, which is the optimum breeding ground for fungus. So, in late spring and through the summer, reduce your use of high rate nitrogen fertilizers on cool-season grasses. Similarly, on warm-season grasses, cut back in the late fall or early spring. Also, avoid synthetic fertilizer or pesticides, which can also promote fungal growth.
A common culprit behind lawn fungus is over-watering. Take care to water the grass only when needed (as in, when Mother Nature isn’t providing enough rain). It’s all about balance though too, so don’t let the grass get dried out either. Typically, you don’t want an irrigation depth to exceed four to six inches. You don’t want the soil to be overly moist because that’s a prime spot for fungus to generate. It’s recommended that you water early in the morning to ensure optimum absorption.
The Right Mower
Believe it or not, how (and how often) you cut your grass can contribute to fungus and disease growth. Make sure that the grass is kept to the proper height for the kind of grass. If it’s too short, it’s more susceptible to disease. Similarly, make sure that your mower is in good repair, and that the blades aren’t dull. This can shred the grass, leaving it vulnerable to fungus growth.
If you can provide proper air circulation and drainage in your lawn, you will greatly reduce the likelihood of fungal infection. Aerate your lawn to promote air flow and reduce excessive moisture in the soil.
Fungicides are a great tool to combat lawn fungus, but must be used correctly to be effective. Typically, it is best to apply fungicides at night, when temperatures drop to the 60°F range. Seasonal application of fungicides for both warm season and cool season grass can be an effective preventative measure.
When it comes to keeping your lawn disease free, preventative measures can go a long way to ensuring that your lawn is beautiful.
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