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Finding The Best Pre-Emergent Crabgrass Preventer In 2021

Last Updated: 08 July 2021

Cultivating plants is not possible without weed control. Having figured out how to cultivate the lawn so that the crabgrass does appear on it, you can save time and energy. The market today offers a lot of remedies against it, however, to choose the best pre-emergent crabgrass preventer, some knowledge is required. We will try to help you with the right choice.

Home Maker Guide created for informational purposes only. Thus, we neither endorse you in any way to buy specific products in our reviews, nor making you act like it’s written in our guides. We are reserving the rights for you to make your personal decision.



Editor-in-Chief of the Home Maker Guide
What Is the Best Pre-Emergent Crabgrass Preventer

Best Pre-Emergent Crabgrass Preventer: Comparison Table

Best Overall: Most Effective - Syngenta Tenacity Turf Herbicide Review

Syngenta Tenacity Turf Herbicide
  • Tenacity is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of weeds in turfgrasses.
  • When applied as a pre-emergent, weeds absorb Tenacity during emergence from the soil.
  • Target pests: Barnyardgrass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot and others
  • Active Ingredient: Mesotrione 40%
  • Date printed on bottle is Manufacture Date, not expiration. Shelf Life: 5-8 years from date of manufacture when properly stored. Keep out of direct sunlight and extreme temperatures

1-Hour Rainproof: Most Versatile - Ortho Weed B Gon Plus Crabgrass Control Review

Ortho Weed B Gon Plus Crabgrass Control
  • Kills crabgrass, dandelions and other common lawn weeds
  • Kills weeds to the roots
  • Kills 200+ weeds
  • Won’t harm the lawn – Guaranteed (When used as directed)
  • Starts working immediately

All-Season Protection: Scotts Crabgrass Preventer with Lawn Food Review

Scotts Crabgrass Preventer with Lawn Food
  • Stops crabgrass before it invades and protects your lawn all season
  • Feeds for a fast green-up after winter
  • Rain, snow or freezing conditions after application won't affect product performance
  • For best results, lawn should receive 1/4 to 1/2 inch of water from rainfall or watering within 2-3 days after application
  • Not for use on dichondra or bentgrass lawns

Easy To Use: Primesource Quinclorac Select (Drive XLR8) Review

Primesource Quinclorac Select (Drive XLR8)
184 Reviews
Primesource Quinclorac Select (Drive XLR8)
  • KEY FEATURE: Selective, post-emergent herbicide that can be safely applied to many types of turf to control a variety of broadleaf and grassy weeds
  • USE SITES: Residential Turfgrass & Non-Residential Turfgrass
  • EFFECTIVE AGAINST: Crabgrass (large & smooth), Foxtail (giant, green & yellow), Kikuyugrass, Signalgrass (broadleaf), Torpedograss, Bindweed (field), Clover (hop, red & white), Daisy (english), Dandelion, Dollarweed, Geranium (Carolina), Morningglory spp., Speedwell (common, slender & thymeleaf)
  • ACTIVE INGREDIENT: Quinclorac 18.92%

Buyer’s Guide: All You Need To Know About The Best Pre Emergent Crabgrass Preventer

The Best Ways to Kill the Crabgrass

The Best Ways to Kill the Crabgrass

The use of special chemicals has become the basis for killing the crabgrass in the garden or lawn. Preparations for removing weeds are called herbicides. They gained popularity in the middle of the last century, and today they contain more ingredients and have more powerful capabilities against weeds.

By the nature of the action, all herbicides are divided into contact and systemic. The first category includes weed killers that are effective only in the place of direct contact with the treated area. Systemic herbicides are more effective since when they enter a particular part of a weed plant, they quickly spread throughout its aerial part and penetrate the root system. Finally, this process leads to the death of the weed. Such preparations are also more economically advantageous since they reduce the flow of working fluid and quickly clear the land of weeds.

Solid or Selective? What Is the Best Pre-Emergent Crabgrass Preventer?

Depending on the spectrum of action, the herbicides are divided into two categories: solid and selective. The first group includes the products that destroy all clean vegetation that is within its radius of action, including cultivated. Such remedies are usually used in cases where it is necessary to get the area absolutely free from any plants.

Any selective crabgrass pre-emergent is characterized by the ability to destroy only weeds, without causing any harm to the lawn and other cultures. Depending on the varieties of weeds, their number, and species, the specific preparation and its concentration are chosen individually. Such tools are most common in agricultural production, as well as for some other purposes, for example, in maintaining the lawn in a well-groomed and level condition.

The best representatives of the best pre-emergent for crabgrass are the following:

  • Syngenta Tenacity Turf Herbicide – can be used as a post-emergent as well and kills a lot of other grass weeds.
  • Scotts Halts Crabgrass Grassy Weed Preventer – an affordable rainproof product, which effectively kills various types of weeds without any harm to your grass.

Pros and Cons of Crabgrass Preventers

The prevalence of the best crabgrass pre-emergent is caused by many positive properties that are inherent in it, in particular:

  • low energy costs, significant savings in time and effort;
  • the ability to quickly spray a large area;
  • relatively fast half-life in the soil;
  • the ability to effectively fight even the weeds that are the most difficult to kill;
  • wide choice.

Along with the obvious advantages, chemical spraying of weeds has some negative sides, which include:

  • the possibility of using the preventers only against adult plants, not seeds. The seed material inside the soil subsequently risks becoming a source of serious problems;
  • the risk of destruction of cultivated plants when using herbicides;
  • the need to use special equipment for working with such means, as well as special protective equipment.

How to Apply Different Types of Crabgrass Preventers?

Methods of application and timing of application of herbicides depend on their type and form of action on weeds.

Therefore, the herbicides are applied according to the instructions, at different periods of the growing season:

How to Apply Different Types of Crabgrass Preventers
  • before sowing,
  • before or after germination of cultivated plants,
  • before or after the germination of the weeds themselves.

According to numerous best crabgrass preventer reviews, the effectiveness of herbicides on crabgrass significantly depends on weather conditions. Usually, it increases in sunny weather and weakens in cool weather.

In hot, windy weather, damage to neighboring plants is possible by contact with them.

The use of herbicides is also allowed in cool weather, before the onset of frost, but still better at plus temperature.

What Is the Best Pre-Emergent for Crabgrass?

Most experts tend to believe that chemical plant protection is the most effective means of all possible. Large areas and fields can be treated with pesticides, while in small areas it is better to first resort to alternative methods of controlling weeds, including agricultural ones. This is especially true for those areas and lawns where berry bushes or fruit trees are cultivated.

Still, if you want to kill the weeds, use herbicides that are not so strong as Primesource Quinclorac Select (Drive XLR8). For example, Scotts Halts Crabgrass & Grassy Weed Preventer and Syngenta Tenacity Turf Herbicide will effectively cope with all kinds of weeds you have on your lawn. Also, it is possible to consider post-emergent means if you manage to apply them correctly. The best post-emergent crabgrass killer is Ortho Weed B Gon Plus Crabgrass Control. It is effective against more than 200+other weeds and gives visible results in hours. Moreover, it is a 1-hour rainproof.

So, it is your turn to decide what is the best pre-emergent for crabgrass. With this homemakerguide experts` review you have some understanding of the main qualities of these herbicides and will definitely buy the right product to apply on your lawn.

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