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What Can I Put On My Lawn To Kill Weeds

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How to Kill Weeds in the Lawn Without Killing Grass

Post-emergent weed killers are most compelling when the weeds are effectively developing. Particular post-emergent herbicides target certain sorts of plants, like lasting wide leaf weeds like dandelion and plantain or yearly weeds, but do not hurt turf grass.

Perpetual weeds return each year. The finest seasons for applying a post-emergent weed executioner to control perpetual wide leaf weeds are early drop and spring. Apply the weed executioner on a still day when the air temperature is between 60 and 80 degrees Fahrenheit, and no rain is forecast for 48 hours.

What Are Weeds And Why Are They A Problem

Before you can go to war with weeds, youve got to understand what they are, how they infiltrate your property, and what kind of damage they do.

Here are a few working definitions of a weed:

  • Any plant that grows out of place, or was not intentionally planted.
  • A plant that is competitive or that interferes negatively with human activity.
  • A plant that interferes with the activity of desired plants, flowers, or vegetables.

No matter how you define a weed, theyre strong competitors in the natural environment. Weeds reproduce rapidly due to factors like abundant seed production, long-term dormancy and survival of buried seeds, and their ability to occupy sites that cultivated plants wouldnt grow in.

Currently, there are an estimated 250,000 species of plants around the world, with about 8,000 behaving as weeds.

The most common weeds that affect homeowners in the US include the following:

  • Common lambsquarters
  • Horseweed
  • Common ragweed

Here in California, the most common weeds are:

  • Grassy weeds such as annual ryegrass, blanket crabgrass, witchgrass, and creeping bentgrass.
  • Broadleaf weeds such as alligator weed, alsike clover, Asiatic hawksbeard, and annual sowthistle.

Left unchecked, these weeds can decimate lawns and gardens, choke out ornamental plants, act as hosts for pests and plant diseases, and negatively impact the appearance of your outdoor space.

Fortunately, the team here at Smiths knows how to tackle and eliminate all of these common weeds and more.

How To Kill Weeds Not Grass Practical Advice To Killing Weeds

Last Updated on By Chainsaw Journal

How to Kill Weeds, Not Grass?This is a common problem that homeowners have to deal with. Nobody wants weeds in their lawn or garden but killing weeds without killing your grass or other plants is possible. In this article we share with you a variety of ways you can have a beautiful lawn without those pesky weeds.

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Spot Treatment Is Better Than Broadcast Application

Its no surprise that manufacturers of lawn care products, many of which publish a lot of online advice articles, insist that applying lots of chemicals over the entire lawn is the best way to control weeds. Their advice begins with broadcast application of pre-emergent herbicides in the fall or early spring, and continues with at least one, and preferably multiple, widespread applications of post-emergent herbicides at different intervals through the spring.

The advice becomes much different when you consult academic sources, such as the lawn-science departments at various universities. These scientific experts understand the dangers that over-application of herbicides, pesticides, and chemical fertilizers pose to water sources through run-off, and here the advice is always to treat weeds in the least toxic method possible, avoiding broad applications of chemicals whenever possible.

Instead, they argue it is best to avoid chemical means if possible, and if they are unavoidable, to spot-treat individual weeds with a spot-targeted spray rather than to spray or spread a dense layer of chemical over the entire lawn. Spot-treating weeds may sound like a lot of work, but a homeowner soon finds that its not a great burden to follow weekly lawn-mowing chores by walking the lawn with a hand sprayer and applying a small dab of weed killer to the weeds that are spotted. Over time, as most of the weeds are killed, it becomes relatively quick work.

How Many Times Can I Use Weed Killer On My Lawn

A Hot and Dry Mid

The answer to this will depend on the weed killer you use. You must read the labels at the time of purchase and before use. You can find some weed killers that only require one treatment per year.

However, some single-use weed killers, you can use in combination with another. By doing so, you can treat your lawn twice in one year. Doing this does apply to the entire lawn coverage and not spot treatments.

Aside from this, as long as you select weed killers for your lawn that comes with different active ingredients to each other, you can have another couple of treatments each year.

Spot weeding will be required with a spot weed killer in the spring and summer. For a well-established lawn care practice, you may see you dont need to do an all-over treatment for several years.

If you sow feed on your lawn first, you will need to let the feed work for one to two weeks before you treat the weeds.

One other thing to do is be sure not to water your lawn after you use weed killing products. This dilutes it and prevents it from doing its job.

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Common Lawn Weeds And How To Get Rid Of Them

Even the best-tended lawns come under attack from common weeds. Weed seeds float in on the wind, creeping weeds claim more territory, and weeds you thought you pulled quietly continue to grow. How well your lawn copes with the onslaught depends on the weeds involved, the response you choose and your lawns overall health. Understanding common lawn weeds and the options available to fight them can help you successfully combat the invasion.

To help simplify weed defense, weve charted 10 common lawn weeds, including their characteristics, type and how they spread, and most importantly- how to eliminate them. Weeds, like ornamental garden plants, can be annuals or perennials. Annual weeds, such as crabgrass, complete their entire life cycle in a single growing season, and then die, leaving seeds behind to continue the legacy. Perennial weeds, such as dandelions, come back year after year from their roots, and distribute new seeds to boot. Weeds can also be grass-like, broadleaf or sedge. Choosing the right weed control product requires understanding the weed you want to fight and its stage of growth. Pre-emergent weed controls, sometime called preventers, work to keep weed seeds from germinating and developing. Post-emergent weed controls fight weeds that have already germinated and emerged from the soil.

Cons Of Using Black Plastic To Kill Weeds

In case you were wondering, the plastic only dries the soil out when used in very large sheets. In smaller areas, like the one Ive just dug over, the soil is moist and worms and other soil creatures seem unaffected. Theres also, information floating around on the internet about how plastic sheet mulch can negatively affect soil organisms and the garden. If any reduction of soil life does occur, it is only temporary, as I and many others have seen in a real-world scenario. The study that folks refer to is one conducted by Washington State University a study that may be flawed due to the testing method.

Regardless of any studies, sheet mulching with black plastic works well to clear the land and help create an organic vegetable garden. I just wouldnt recommend that you use it as more than a temporary solution. If you wanted to use something to protect the soil of beds each winter, cover with a material thats durable but light and air-permeable. Something like landscaping fabric. If you use the plastic woven mesh type, just make sure to melt the edges with a lighter or creme brulee torch. If you dont, it will shred and turn into a mess.

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How Often Can You Use Lawn Weed Killers

This all depends on the weedkiller being used. Each manufacturer is different so do read the label.

Our recommended weed killers Resolva and Weedol suggest only one treatment per year but if you use each one once that allows you two full lawn treatments in a year. This only applies to weed killer for the coverage of the whole lawn NOT ready to use for spot treatments.

My advice would be a maximum of 2 treatments per annum using two different weed killers with different active ingredients. Further, you are only likely to treat this often in the first and possibly second year to get rid of established weeds. Once you get in to subsequent years a treatment in September will be the most youll need if you do some weed control with a spot weed killer during spring and summer. If you have good lawn care practices youll find you wont need a complete lawn treatment for several years. I give my lawn a full treatment about every 3 years!

  • This method is a cost effective way to kill weeds in a small lawn by using weedkiller concentrate mixed with water in a watering can.

What’s The Best Way To Get Rid Of Weeds Permanently


Even though we consider weeds a nuisance, theyre plantsjust like grass, flowers or shrubs! That means theyll grow just as thick and rampant as our favorite herbs if we let them.

So, the best way to get rid of weeds is to make your lawn an environment where its difficult for them to thrive.

Low-mowed grass, compacted soil and water-deprived turf all encourage weeds. Reversing these problems and maintaining a healthy lawn is the best way to permanently say goodbye to weeds.

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Should I Mow Before Applying Weed And Feed

The question is, do you have to cut your grass before applying the weed & feed? If youve been following our blog for a while, you know that the answer is always it depends.

It depends on the type of weeds youre trying to get rid of, the species of grass you have, the phase of the season when youre applying herbicide, how the herbicide works, and, of course, how you mow.

If you have large broad leafed weeds, and are using a post-emergent product, then its best not to mow too short before putting down weed and feed, better to have a larger leaf area for the product to work on.

If you are going to be using a pre-emergent product, you can cut the grass not less than 2 days before application, then water it in, as it needs to get under the surface to start working.

So, the general rule is only mow at least 2 days before you apply weed & feed products, and dont mow before 2 days after the weed and feed application.

When You Should Spray Your Weeds

The best time to treat weeds is when they are actively growing. This means you should start spraying and treating in the spring, usually sometime in April. Youll have to maintain your weed-killing regiment into late September/early October.

Its best not to jump the gun when using weed killers. Theres a lot of weeds in early spring that wont surface until later on in the year. Most weed killers are contact sprays: The treatment will only be effective if they make direct contact with the weeds. Youre better off waiting until May: By that time most of the weeds will have emerged, making them much easier to dispose of.

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These Preventive Measures And More Will Help You Kill Weeds In Lawn In 2021

Learning how to kill weeds in the lawn in 2021 with the right weed killer and preventative measures will help your yard look great all year long. With an active approach, your grass will have much more room to grow for a healthier, longer lifespan. We hope you found our solutions to killing weeds in your lawn, with our preferred weed treatments and applications, super simple and easy to follow.

We hope you enjoyed this lawn weed guide by The Weed Wizard, a leading weed control resource for anyone searching for the best weed killer and most effective herbicides for their home and garden. When it comes to lawn and landscape care in 2021, were here to help with the best, to-the-point guides and weed killer ratings for a healthy landscape, and in this particular case, how to kill weeds in winter. By tending to those ugly and backbreaking-to-pull weeds, all eyes will remain on your showstopping lawn and flower beds when spring comes around.

Check out additional tools to for making your yard look great all year round below.

How To Use Bleach As A Weed Killer

Grassy weed identification help!
  • Put on some old clothes, as well as protective gear like these Bamboo Garden Gloves, to avoid irritation in case theres an accidental skin contact with bleach.
  • Pour one cup of undiluted bleach on the affected area.
  • Wait one to three days or once you see that the grass has turned brown start pulling out the dead grass
  • Run water along the area to leach the bleach, which is important if you plant to grow grass or plants in the same area.
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    How To Kill Weeds Not Grass

    Weeds are a common nuisance that homeowners know all too well. Theyre unsightly and can cause harm to the health of your lawn. Fortunately, there are several options on how to kill weeds, not grass so you can keep your lawn healthy looking.

    Why Should You Remove Weeds from Your Lawn

    You may not be a stickler for having a perfectly manicured lawn however, when it comes to weeds there is cause for concern. These pesky plants can take in valuable nutrients in the soil that will deprive other desirable plants. This is especially important for gardens. Weeds compete with the other surrounding plants, often times taking over the other species. Certain types of weeds can even harm surrounding plants by releasing chemicals through their roots.

    The lawn and garden arent the only places where pesky plants pop up . They can also grow through cracks in paving and driveways. Tough, stubborn weeds can cause damage to the concrete and can even take over buildings, such as ground ivy. Whats more, they invite unwanted pests and diseases that can further harm your lawn and garden.

    There are three effective methods on how to kill weeds, not grass. You can manually remove them by digging up the roots, cut them from the tops, or choose the chemical method with an herbicide. Which approach you should take will depend on a number of factors size of the yard, the type and extent of the weeds, and your preference all play a part. Heres a look at each approach with the pros and cons.

    Safelawn Natural Lawn Feed

    If you are wanting a child and pet friendly option then we recommend using our SafeLawn Natural Lawn Feed Not only will SafeLawn help grass to outcompete weeds and prevent them from establishing again, but it will also feed your lawn all year round, as well as creating a thicker, stronger lawn. All you need to do is apply every 3-4 Weeks from February to September when the grass is actively growing. Furthermore, you can be rest assured that using this product is natural so is safe to use around children and pets.

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    How To Get Rid Of Weeds

    Learn how to kill weeds in your lawn without killing your grass.

    Most lawn weeds are opportunists that take root wherever they can find the space and catch a few rays of sunlight. If you already have a weed problem on your hands but arent sure what types are popping up on your lawn, read about some of the most common types of weeds.

    For those of you who are ready to fight the good fight, heres a step-by-step guide that will help you get rid of weeds when they start growing on your lawn.

    Why Weeds Keep Coming Back

    The Fastest way to get rid of weeds in Bermuda grass, plus how to kill lawn weeds tips.

    To better understand weed problems and find the best solution to get rid of them, you also have to know several reasons why these stubborn pesky plants keep coming back to your yard. The most common reasons include:

    • Incomplete removal of weeds ideally they should be removed from the roots. If you only touch the crown, the leftover roots can still support growth and make the weeds return.
    • You live near the woods where weeds are prolific and the wind or birds just carry their seeds to your area and other nearby residential properties.
    • Having a lawn that is not so dense as a result, there are empty spots that can invite weeds to grow and spread.

    Nature has a way of letting weeds pop up where they shouldnt. If left unattended, these weeds can compete for nutrients from plants in your garden. If you have been dealing with weeds on your property without much success, youre not alone.

    There are ways to address weed problems these will involve the use of cheap alternatives to commercial herbicides and natural growth control and prevention.

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    If Youre Going To Go Chemical Whats Your Best Bet

    2,4-D, in particular, has been tested extensively and used for over 30 years in a variety of landscape settings. Research supports the use of this chemical given its safety for the environment and human health.

    A 10-year study showed that there is no relationship between 2,4-D and cancer.

    With that said, if youre going to use any chemicals on your lawn , you must take proper precautions. Wear effective PPE, including a face-mask or respirator and safety goggles. Wear long sleeves and long pants. Make sure you put up signs or alert neighbors with children and pets that your lawn has been treated and they should stay off for their own safety.

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