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Fertilizers can also contain secondary elements and micronutrients needed for healthy growth such as sulfur, calcium, magnesium, boron, iron, molybdenum, zinc, copper, chloride, nickel, and manganese.

In general, grass species are divided into two categories: warm season and cool season. The seasons do not refer to the time of year, but the climate and average soil temperature range. and its partners may earn a commission if you purchase a product through one of our links.


Granular weed and feed covers more area, often 5,000 square feet or more, and are available in 18-lb bags and larger. Granular versions offer a better value for your money, but you do need to water your lawn after application for it to penetrate the grass.

Some weed-and-feed options out there feature slow-release formulas so you don’t have to fertilize as often. However, to achieve good results plan on treating your lawn at least once every 8 weeks from the start of spring.

Ahead, read our guide to understanding weed-and-feed products, as well as the details on our top-favorite picks among the best weed-and-feed options available.

To find out exactly what nutrients your lawn needs can be determined by conducting a soil test. You can either purchase a test to use at home or take a soil sample to your local cooperative extension testing office.

Pre-emergent herbicides can be applied at any time of day because they form a soil barrier to stop weeds from sprouting. Post-emergent weed & feed, however, is different.

Lawn care experts and green-thumb DIYers often use weed & feed to produce beautiful lawns and flower beds. Whether you’re keeping your lawn lush or needing to revive some of that emerald green color, using this product is a must. So what is it, and how is weed & feed used to create lush, beautiful yards? Here’s everything you need to know.

If there are so many weeds that the grass is being choked out, it may be wise to consult with a local landscaper or lawn care center for advice. Common uses for post-emergent herbicides are combatting bermudagrass and nimblewill.

How to apply weed & feed

Using a spreading allows you to apply just the right amount evenly across the lawn. Too many granules can harm grass, which would defeat the purpose. Also, overuse can result in potentially harmful runoff.

Weed & feed is a combination of minerals and systemic or non-systemic herbicides. The minerals provide nutrients (via fertilizer) to help your grass grow, while the herbicides kill the weeds.

Regardless of which one you choose, you must follow the directions on the container to get the best results. Certain herbicides are best for certain weeds, so be sure to read labels carefully when choosing a brand.

Many people choose liquid weed & feed because the chemicals are already diluted to safe levels. The liquid version may be bought in bulk or with an attached sprayer nozzle for convenience.