Clip grass frequently enough that the grass blade is clipped no more than one-third its length. The short clippings that result from frequent mowing can be left to decompose in place. Remove long clippings to avoid smothering grass plants underneath. Fertilizing Lawn grasses require fertilizer nutrients for pleasing color and healthy growth. Regular fertilization will allow adequate growth to help the lawn stay ahead of weeds and maintain its vigor.
Ideal mixtures are high in nitrogen, low in phosphorus, medium in potassium, and medium in sulfur.
See EC 1278 for detailed information on fertilizing established lawns. Weeds New grass plants may be damaged by herbicides used to kill lawn weeds. Generally, it's best to avoid using any herbicides until the lawn is at least 4 to 6 weeks old. After the lawn is established, there are many herbicides you can use to keep weeds to a minimum. If you want to print this publication, we recommend downloading the PDF version.