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When is the last time I should fertilize my lawn this summer?
Usually, we use the cut-off date of about Sept. 1. This would be the last time for a nitrogen application.
This last application is an excellent time to add in your phosphorus and potassium as you get your lawn ready for the winter and next spring.
Nitrogen applications are cut off to give the lawn a chance to harden up before winter.
Nitrogen applications later in the fall push the grass to grow and often use up some of their nutrient reserve being stored in the root system for the winter.
It’s also time to raise your mower height. More leaf material will allow for additional nutrient buildup in the root system.
Remember, more Bermuda and zoysia grass lawns are damaged and killed from cold winter weather than summer heat and drought.
While Sept. 1 is the nitrogen cut-off date, phosphorus and potassium may be applied anytime during the fall and winter.
For more information, contact the OSU Extension Center, 14001 Acme Road in Shawnee, 273-7683.v
When is the last time I should fertilize my lawn this summer?
Usually, we use the cut-off date of about Sept. 1. This would be the last time for a nitrogen application.
This last application is an excellent time to add in your phosphorus and potassium as you get your lawn ready for the winter and next spring.
Nitrogen applications are cut off to give the lawn a chance to harden up before winter.
Nitrogen applications later in the fall push the grass to grow and often use up some of their nutrient reserve being stored in the root system for the winter.
It’s also time to raise your mower height. More leaf material will allow for additional nutrient buildup in the root system.
Remember, more Bermuda and zoysia grass lawns are damaged and killed from cold winter weather than summer heat and drought.
While Sept. 1 is the nitrogen cut-off date, phosphorus and potassium may be applied anytime during the fall and winter.
For more information, contact the OSU Extension Center, 14001 Acme Road in Shawnee, 273-7683.v
