The Q&A Archives: Grass growing unevenly

Question: Parts of my lawn are growing unevenly. It is a new lawn (about 2 years) that has been seeded multiple times, by the contractor who built the home and by me. I now have spots of the lawn that are growing higher and darker than some other spots. Probably due to me using different seed than the contractor who started the lawn. I believe I've had a mix of general contractor seed, with some Pennington blue grass seed. Is there anyway to compensate for the appearance of spots throughout the yard growing higher and darker than others?

Answer: Different types of grass will sometimes show differences in the spring that become less noticeable by summer.

Sometimes, uneven spreading of fertilizer or lime can create interesting patterns of lusher growth. One way to minimize that occurring is to measure the amount of product needed for your square footage, then set your spreader at a much lower rate, then go over your lawn repeatedly until the measured product is all used up. You would alternate your spreader pattern to do horizontal strips, vertical strips, and diagonal strips both ways, then repeat until you run out. This avoids any chance of stripes or over-treated spots.

You could also work with your county extension to develop an annual lawn maintenance plan that would emphasize the more desirable grass type and help strengthen it by providing optimal conditions for it in terms of fertility and mowing height. Then you could possibly overseed with more of it this fall and eventually would develop a more even-looking turf.

Lawn establlishment and maintenance is really an ongoing process with the ultimate goal of growing healthy turf grass. Good luck with your lawn!

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