What Causes Brown Spots in Grass?
Brown spots are among the most common lawn problems, experienced even by owners who take very good care of their turf. Here are some of the most probable causes:
- Mowing with dull blades – when the grass leaf is not cut with a freshly sharpened blade, the blunt blade tears, rather than cuts the grass, which stresses the plant so much that it cannot recover and dries out, leaving behind dry, brown residues;
- Mowing too low – if the grass is cut too short, the plants dry too quickly, before the next watering can hydrate and nourish them properly. The best height to mow is between 1.5 and 3.7 inches;
- Animal urine – pets like to urinate on the grass. If they return to the same spot too frequently, the nitrogen from the urine might burn your grass, and cause brown spots in grass to appear;
- Compacted soil – the soil in your garden is not of the same quality all over, in some areas it can get more compacted than in others. Grass does not thrive well in compacted soil because it cannot get enough air. Fortunately, the problem is easy to remedy with some aeration;
- The presence of roots – the roots of trees and shrubs are stronger than grass roots and they take away all the moisture from the grass, leaving it to dry out, even if you water it regularly and correctly.
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