to plant new grass seed directly into already existing turf Example: Bermuda grass courses are commonly overseeded with rye grass in the winter, when the Bermuda goes dormant.

To seed an existing stand with another type of plant, such as overseeding the Bermuda grass with ryegrass.

spreading seed over established turf prepared for restoration.

To sow seed over an area that is sparsely covered with some kind of vegetation or to plant a winter turf of a cool season species within a dormant warm season turf.