5 Best Weed Killers for Flower Beds

Looking for the best weed killer for flower beds? These top–notch products and home remedies are tried and true for flower bed weed control.

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Doctor Kirchner Natural Weed Killer

The Doctor Kirchner is a natural weed killer option for maintaining a weed-free flower bed. The weed killer acts as a spot treatment for weeds in flower gardens and other landscape beds, providing fast results, in 12 to 24 hours. What makes this product unique is that it’s made from natural ocean water, vinegar and soap. Reviewers love its ability to make weeds wither and turn brown in just a few hours, without the use of harmful chemicals.

“We mainly use it on the rocks in our landscaping when weeds pop up around our bushes and flowers,” says a reviewer. “Within a half hour, the weed is shriveled. By morning, the weed actually seemed to disintegrate into the rock. I could hardly even see it. Normally, we have to go back and pull up all the dead weeds after using the RoundUp. I don’t have to do anything after spraying. It’s awesome!”

Check out our favorite ideas for front yard landscaping with rocks.

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Green Gobbler Vinegar Weed & Grass Killer

In less than 24 hours, you can eliminate any type of weed with this weed killer for flower beds. Containing 20-percent acetic acid, it’s safe to use anywhere. The product is four times stronger than traditional table vinegar, is void of VOCs or other harmful cancer-causing additives, and is made from ethanol distilled completely from corn grain. The result is a green product you can trust to get the job done sustainably.

“We really like the Green Gobbler Vinegar,” says a reviewer. “This is the only product we use for killing weeds! Natural and organic and your yard smells like a salad for a day or so. Kills weeds within a day. Plus, you can dilute to 10% from the 20% vinegar to stretch it out!”

Illuminate your beautiful landscape all evening long with our picks for the best flower bed lights.

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Compare-N-Save Concentrate Grass and Weed Killer

Great for spot spraying weeds around flower beds, trees and shrubs, this is an effective weed killer for powerful control of almost all type of weeds. It contains 41-percent glyphosate, a post-emergent herbicide. The treated areas can be replanted in as little as one day.

This weed killer can eliminate existing weeds such as quackgrass, bermudagrass, broadleaf weeds, chickweed, spurge, purslane, crabgrass, nutsedge, regular sedge and panicum. And, with this product, you only have to spray the foliage of the weeds because the glyphosate is absorbed through the leaves and then travels to the roots to kill the entire plant.

Keep in mind that this is a concentrate, so you won’t want to pour it directly into your sprayer. The recommended ratio is three tablespoons of the concentrate in one gallon of water. For severe weed infestation, you can increase that to five tablespoons of the concentrate.

“This weed killer does exactly what I want it to do- it kills weeds dead in their tracks,” says a reviewer. “I’ve got a huge problem with weeds where I live because the fields around my house are infested with them, and when the wind blows those seeds go right into my yard. Rats! I’ve tried so many things to get rid of weeds, but this weed killer is so powerful that I can spray a couple times (just to be safe) and all the weeds will die within 5 days.”

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DIY Flower Bed Weed Killer

According to The Garden Counselor, the following recipe makes a great alternative to store-bought products for killing weeds in your flower bed.

  • I gallon of vinegar
  • 2 cups of Epson Salt
  • 1/4 cup of Dawn dish soap

Common household vinegar has an active ingredient called acetic acid, which removes moisture. “When sprayed on plant foliage, the water in the leaves is drawn out, and the top growth of the plant is killed,” notes The Garden Counselor. Salt also draws out moisture, making it a desirable ingredient for killing weeds. The addition of soap serves to improve the absorption of the spray, since it’s able to break down the cuticle or waxy surface found on many weeds. As with all weed killers, be sure you use this solution only for spot treating weeds to ensure your desired plants remain alive.

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Preen Extended Control Weed Preventer

So, we’ve identified four great ways to kill weeds in your flower beds, but we’d also like to suggest taking care of the problem before it starts! This pre-emergent weed killer stops weeds from germinating, so you never have to worry about dealing with weeds in your flower beds. Be sure there are no weeds present before applying, then use the included power spreader cap to apply the granules with ease. According to the manufacturer, this product prevents 27 types of broadleaf weeds and grasses from germinating for 9 to 12 weeks, without harming more than 200 types of flowers, bulbs, shrubs, trees and vegetables.

“This is probably one of the best purchases I’ve ever made. Incredible,” says an Amazon reviewer. “There’s definitely MAGIC stuffed inside this yellow tub! Haven’t had to pull a weed in months. I’m a farm owner with lots of property and I used this on the side and front of my house. Haven’t had to even think about the landscape since. Able to move onto other projects and my animals.”

Don’t let your landscape get overtaken by weeds this season! We’ve got solutions for banishing even the most troublesome invaders

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Every product is independently selected by our editors. If you buy something through our links, we may earn an affiliate commission.

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Alexa Erickson
Alexa is an experienced lifestyle and news writer, currently working with Reader's Digest, Shape Magazine and various other publications. She loves writing about her travels, health, wellness, home decor, food and drink, fashion, beauty and scientific news. Follow her traveling adventures on Instagram: @living_by_lex, send her a message: [email protected] and check out her website: livingbylex.com