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Fertilizing Lawns in Spring, Summer, Fall: A Schedule

By David Beaulieu, About.com

Your grass craves periodic feedings, and it is best to meet this need for periodic feedings by fertilizing lawns with “slow-release” products. You’ll find such products at local home improvement stores, such as Lowe’s and Home Depot. Because these products release their nutrients over time, rather than all at once, fertilizing lawns with them allows the grass to “eat” at its own leisure. As nutrients are released, the root system of your grass fills in any bare patches, depriving weed seeds of a place to germinate.

Of course, as a substitute for all this, you can stay organic and simply top dress your lawns with compost in spring and fall.

Scotts suggests a four-part schedule for fertilizing lawns. The schedule will depend on where you live and your grass-type; but, as an example, here’s the schedule for a Northern lawn composed of a mixture of bluegrass, ryegrass and fescue:

Sample Schedule for Fertilizing Lawns

  1. Apply a fertilizer called, “Scotts Turf Builder With Halts Crabgrass Preventer” in April or May. Fertilizing lawns goes hand in hand with weed control.
  2. “Scotts Turf Builder With PLUS 2 Weed Control” can be applied in June. This fertilizer fills the need for additional weed control, as the herbicide component fights everything from ground ivy to purslane to white clover.
  3. In July or August, apply “Scotts Super Turf Builder with SummerGuard.” This fertilizer is billed by Scotts as a product that “strengthens and summer-proofs” your grass while “combating a spectrum of harsh seasonal threats like insects, heat and drought.”
  4. Finally, Scotts winterizering fertilizer should be applied in fall. Fertilizing lawns with this product will not only prepare grass for winter, but also give you a head start towards achieving the green turf you’ll want next spring –- bringing us full circle.

Before fertilizing lawns with these products, read the instructions on the bag carefully (or ask someone at the store for details). A particular product may not be suitable for your type of grass. Likewise, when applying fertilizers, follow directions explicitly, concerning how much to apply, how often they should be applied, and under what conditions they should be applied.

Fertilizing lawns is best done with a spreader. Be advised not to fill the applicator with the spreader parked on the grass. Doing so invites grass-burn, as you may accidentally discharge too much while loading. Instead, fill the applicator somewhere else, then wheel the spreader onto the grass.

I also provide an expanded version of this story on fertilizing lawns, for those who desire a fuller picture of what it takes to keep your grass green and healthy.