Best Weed Killers

Weed killers, also known as herbicides, are important for killing and preventing weeds. If pulling weeds by hand, you risk them growing back if the entire root is not removed. Weed killers can be made with dangerous chemicals and should come into contact with humans, pets or other plants. However, weed killer is still the best tool for getting rid of weeds. They have to be effective and that means, they have to kill weeds. The best weed killers will be rated on effectiveness and safety as priorities, with price no object, and if it contains an organic formula, the better it is.

Top 3 Best Weed Killers

Types of Weed Killers

There are four basic types of herbicides or weed killers based on how they work: emergence, selectivity, persistence and translocation. It is important to understand each characteristic, on the label, when purchasing a weed killer to fit your needs.

  • Emergence – Weed killers are either pre-emergence, which target the weeds before they grow, or post-emergence, which kills weeds that have already started growing. You can apply pre-emergent two to three weeks before weeds germinate and apply post-emergent to the leaves of the weed.
  • Selectivity – Weed killers are selective, which kill weeds without damaging plants nearby, or non-selective, which will kill all plants in the area of treatment. A selective herbicide can be used to kill dandelions without damaging your lawn, while a non-selective herbicide can be used to kill weeds growing in sidewalk cracks.
  • Persistence – Persistence describes how long a herbicide or weed killer is active after it has been applied. The type that provides no lasting prevention of weed growth is non-persistent. Those that kill everything and prevent the weeds from growing back are persistent.
  • Trans-located – This type of herbicide works its way through a plant’s internal system to break it down, while contact herbicides kill the plant on contact.

Best Weed Killers

Compare -N- SaveCompare-N-Save Concentrate Grass and Weed Killer, 41-Percent Glyphosate, 1-Gallon

If you are wanting to kill anything not grass on your lawn, Compare-N-Save maybe what you need. This is a  Non selective, contact and systemic solution, for use with post-emergent weeds. It uses an extremely powerful 41% glyphosate solution to destroy anything it touches by working on both the outside or the weed and its root system. This one gallon bottle will cover around 25,000 square feet and makes up to 85 gallons. Compare-N-Save is extremely concentrated and you can get a large amount of weed killer in a small container, which will save you money in the long run. Stubborn or long-lasting weeds may need a higher percentage of concentrate to be effective.

Pros

  • Rainproof
  • Covers over 25,000 sq. ft
  • Visible results in as little as 2 to 4 days

Cons

  • May take longer than 4 days for weeds to die
  • May need to respray tougher areas

Spectracide Weed Stop for Lawns

Weed Stop from Spectracide won’t harm lawns and is a selective herbacide. Meaning it kills tough weeds without harming your lawn. It has a concentrated weed killer that stops weeds like dandelion, chickweed and clover, and also kills poison ivy, poison oak, blackberry and kudzu. It is known to kill over 250 kinds of weeds. This is a truly effective product that claims results are visible the same day. It is recommended that is be applied during the daytime when the temperature ranges from 45 to 90 degrees Fahrenheit. The whole bottle can treat at most 5,000 square feet.

Pros

  • Kills several types of weeds
  • Same day results
  • Does not harm lawn

Cons

  • May need two treatments for certain weeds
  • May cause damage to some grass

Roundup Weed And Grass Killer Concentrate Plus

This concentrated weed killer can be applied to protect flowers and other plants from weeds. It is perfect for use around flowers, shrubs and trees, on patios, walkways, driveways, gravel areas and mulch beds, and along fences, edging and foundations. It is not recommended for use  around existing edible plants. It is also effective on large areas such as lawn replacements or garden plot preparation. For best results, add 6 fl. oz. of concentrate to one gallon of water in a Roundup Brand Premium Sprayer. This formula is rainproof in 30 minutes, and you should see visible results in 12 hours. This weed and grass killer comes in a variety of sizes : from 16oz, 37oz or 64oz. One quart makes 10 gallons so a little goes a long way.

Pros

  • Visible results in 12 hours
  • Rain proof
  • Kills weeds to the root

Cons

  • Slow acting
  • May damage soil for planting

Bayer Advanced All-in-One Lawn Weed and Crabgrass Killer

 

This weed killer comes ready to spray and will not harm your lawn. Just attach the sprayer to your garden hose and adjust the control knob. The formula is ideal if you have crabgrass invading your lawn or if you missed your pre-emergent crabgrass control application. One bottle treats 5,000 square feet. It won’t kill your grass but kills crab grass to the roots. It is not recommended for use on St. Augustine, Floratum, Bermudagrass, Bentgrass, Zoysiagrass, Centipede or Bahia lawns.

Pros

  • Convenient sprayer
  • Great for killing crab grass specifically
  • Covers a lot of lawn area

Cons

  • May need to apply more than once
  • Can damage certain types of lawns

EcoSMART Organic Weed and Grass Killer

EcoSMART Organic weed and grass killer 64 ounce bottleIf you are looking for an environmentally friendly weed killer and have concerns about the safety of your pets or children, this maybe the best weed killer for you. It is formulated with plant oils that do not harm animals discourages weed growth. EcoSMART’s proprietary formula is as effective as traditional synthetic pesticides but completely safe for people, pets and the environment. This makes it ideal for tree rings, driveways, sidewalks, patios, and fences around your yard. Another bonus of the safe 100% organic formula is that it will not contaminate nearby ground water supplies.

Pros

  • 100% organic
  • No overbearing harsh chemical smells
  • Non toxic and environmentally friendly

Cons

  • May not be effective on all weeds
  • On the pricey side

Conclusion

It can take a lot of work to have a weed-free yard but a bottle of weed killer is the best weapon for stopping and preventing them. As with any chemical product, follow the instructions carefully. Remember, herbicides can affect surrounding plants and can pollute ground water if used incorrectly or excessively.

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