Weed and Feed Fertilizer

Weed and feed lawn fertilizer is plentiful and in most cases when applied properly will contribute positively to a lush lawn. They contain nitrogen, phosphate and potash which are essential for lawn growth together with a herbicide. Again, it is important to select a product that is designed for either warm or cool season grasses.

Typically the Spring fertilization period is best for applying these products. The first weed and feed product to be applied to the lawn contains an herbicide known as a preemergent herbicide, that is it prevents the weeds from successfully germinating and thus prohibits weeds from starting. These products are generally successful in preventing early weeds, but as summer approaches weeds will emerge and become more noticeable.

Broadcast spreader doing its job

During the late Spring and early-Summer another weed and feed application may be necessary which includes a herbicide designed to kill weeds that have successfully emerged.

Weed and feed products will generally kill a wide range of different types of weeds, however they will generally not prevent or kill crabgrass – the most pesky of all weeds. Consumers should examine lawn fertilization products to insure that a crabgrass pre-emergent is among the herbicides in the package or purchase a separate crabgrass preventer if the desire is to eliminate this weed. Following recommended procedures for the application of a crabgrass pre-emergent will generally prevent crabgrass during the entire growing season. Typically nature gives us a clue as to when to apply the first application.
When one sees daffodils, forsythia, and dogwoods begin to bloom it is time to apple the pre-emergent. The early time frame for application is signaled by the blooming of Forsythia and daffodils. The blooming of Dogwood trees represents the last opportunity for application.

Warm season grasses essentially start growing from the roots up as the warmer months approach. It is important to read product labels carefully to insure that any weed killers or crabgrass preventer’s will not stunt the growth of any warm season grasses. One should be particularly careful when applying these products to St Augustine grass.

In summary weed and feed products make the fertilizer application process much simpler and easier. One should follow product labeling procedures and if applied in the right amount at the right time the homeowner will be rewarded with a beautiful lush lawn.


  1. Any product suggestions or what??

  2. East texas area-I have fertilized my grass yard three times this spring and summer. Can i treat it one more time for crabgrass prevention?

  3. gayla allen says:

    I have little strawberry plants all over my yard , and they produce little berry’s about as big as a pencil eraser. How do I get rid of them ?

  4. Mike Malone says:

    I applied the weed and feed to my lawn a week ago. The grass was just starting to green in spots, but the weeds were already galloping. I wondered how long it would take for the weeds to die, as they are not showing any signs of eradication, as yet. Appreciate your input.

  5. Jerome Boddie says:

    Applied weed and feed to my lawn 10 day ago. The established weeds are still there. Does it take more time tp kill the weeds or do I have to do some additional work?

  6. What is the effect of this weed and feed on other garden plants? Will this chemical retard the growth of plants such as tomato and spinach?

  7. How does the weed & feed work. Is it drawn up through the leaves of the weed or through the roots of the weed?

  8. Cliff Cox says:

    Will Weed & Feed fertilize harm tomato plants?

  9. I’m trying to restore part of my lawn. Can I apply weed and feed right after seeding? Or should I wait till the new grass has emerged?

  10. Is weed and feed harmful to children and pets?

  11. Is weed and feed harmful to children and pets?

  12. Help! i applied wee & feed to my Front lawn to rid it of weeds and dandelions mostly. I applied it according to the directions with a spreader. now I have brown trails where I spread it and about 50% of the lawn is dead. I have been watering and watering but to no avail. Please anyone have any advice or suggestions? thank you

  13. Weed and Feed is Fatal to pets and humans it states that right on all packaging . Please read these before applying, although it didn’t do me any good to follow directions. it killed my lawn anyways. Hope you have better luck than I did.

  14. I live in southern California inland from the coast about 30 miles. My yard is primarily hybrid Bermuda grass with a large infusion of dichondra that I am trying to encourage. I want to feed both types of lawn yet control weeds. Will Weed & Feed type fertilizer harm the dichondra since it is a broad-leafed plant?

  15. Don Brasier says:

    Can I put the weed and feed on before the first cutting? Do you have to water it afterwards? Don

  16. Ron Tomalia says:

    I applied lesco weed and feed to my St. Augustine grass 3-10 and the grass is actually looking amazing however I still have some light brown spots on it from winter. What is the next step I should do to make my lawn green? I live in Florida and the average temp now is 70+ everyday

  17. “Weed n Feed” fertilzer is now banned in many areas mainly due to the harmful environmental effect, especially water runoff and into sewer.I like to use regular fertizer and just spot spray weeds as needed.

  18. I dropped the scotts w/ crabgrass fertilizer, and I see a lot of weeds and dandelions and other weeds sprouting. can I put down a weed and feed or should I use a different weed killer? if so what kind?

  19. I planted bermuda grass seed,how soon can I put out weed and feed.The grass is growing and so are a lot of weeds.Thankyou.

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