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August 19, 2013

Tips for Overseeding Now      

Use hand rakes or a mechanical scarifier/dethatcher to remove dead plant material. This exposes the soil and aids in better soil: seed contact. Seed perennial ryegrass (PRG) at the rate of 6#/1000 sq. ft. and remember to select PRG disease resistant/tolerant varieties for Gray Leafspot, which is the disease of concern right now.

Bare areas should be slit seeded or core aerated before seeding.  Seed left on the soil surface can dry out and fail to germinate. Be sure to provide light watering 3-4 times a day to keep the soil moist to encourage seed germination.  

Do not over water and do not allow the soil to dry out. To encourage root and rhizome growth, apply 1# of nitrogen/1000 sq. ft. with 30-50% of it in the slow release form about 2 weeks after seedling emergence.  Begin mowing (of course with sharp blades) when the seedlings reach 2-2.5 inches.  Mow 2-3 times a week to encourage growth.

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