10 Best Weed Killers for Flower Beds 2017

It is not easy to find a good product that will rid your flowerbed of weeds without harming the actual ornamental plants and flowers.

For as many products out there that don’t work, there are still plenty that do and we would like to present them to you in our guide below!

Whether you’re in need of a ready-to-use weed killer that is safe to use around your flowers or if you’re feeling a bit more ambitious and want to try making your own, we have the top suggestions for you right here.

Do You Need to Kill or Prevent?

Many of you set out in search of the best weed killer for flower beds (which you will find here), but did you also take future weeds into consideration?

In our table below, you’ll find a mixture of two kinds of products: those that kill existing weeds and those that prevent weeds from growing in the first place.

Chances are you’ll need both, which is why we have included them for you!

Top 10 Weed Killers for Flower Beds Table

PictureNameTypePriceRating (1-5)
PictureNameTypePriceRating (1-5)
1. Compare-N-Save Concentrate Grass and Weed Killer, 41-Percent Glyphosate, 1-GallonWeed Killer Liquid Concentrate (41% Glyphosate)$$$4.4
2. Roundup Weed and Grass Killer Super Concentrate, 1/2-GallonWeed Killer Liquid Concentrate$$$$4.4
3. Eco Clean Pure 20% Vinegar - Home&Garden 1 GallonWeed Killer (Vinegar)$$$4.4
4. Red Dragon VT 2-23 C Weed Dragon 100,000-BTU Propane Vapor Torch KitFlame Weeder (should only be used to clear and prepare flower beds)$$$$4.4
5. Mrs. Meyer's Clean Day Dish Soap, Lemon Verbena, 16 ozWeed Killer (Dish Soap)$4.3
6. Preen Garden Weed Preventer - 5.625 lb. Covers 900 sq. ft.Weed Preventer (Granules)$$4.3
7. Preen Garden Weed Preventer Plus Plant Food - 16 lb. pail Covers 2560 sq. ft.Weed and Feed (Granules)$$$4.3
8. Spectracide Weed & Grass Killer Concentrate2 (HG-96390) (32 fl oz)Weed Killer Liquid Concentrate$$4.3
9. Espoma Organic Weed Preventer - 25 lb. CGP25Weed Preventer (Corn Gluten Meal)$$$3.9
10. Scotts Ortho Roundup 0438580 Grass-B-Gon Garden Grass Killer, 24-oz. Ready-to-UseGrass Killer (Spray)$$3.8

Types of Weed Killers

Here are the main choices you have for flowerbed weed killers:

  • Granules. These are great for large flowerbeds. Be sure that you work them into the soil and water them thoroughly after applying.
  • Concentrated Liquids. Remember that concentrated liquids usually require that you add water, which means you’ll probably need to have an empty bottle on hand so you can mix everything in it and then use the bottle to spray the weeds.
  • Ready-To-Use. If you are in need of something quick and easy, then we suggest that you get a ready-to-use spray that is already mixed and safe to use as-is.

Try Alternative Methods!

In our opinion, the best weed killer for flower beds is a natural one. If you enjoy whipping up batches of household cleaners or beauty creams, why not try a safe and effective weed killer while you’re at it?

  • Boiling Water. If you’re looking for a quick and easy way to kill a few stray weeds in hard-to-reach areas of the flowerbeds, we suggest one of our favorite alternative methods: boiling water.

Boiling water alone is enough to scald and kill some non-invasive weeds, but since you don’t want to risk dumping any on your delicate flowers and plants, we suggest you get a hot-water friendly watering can with precision pour spout.

This one from Esschert Design is made of stainless steel and has a precision spout that will allow you to target stubborn weeds.

You can use this for any indoor plants you have, too, so it won’t be a waste of money!

  • Vinegar. Vinegar is another common weed killer for gardeners and we’ll be taking a closer look at it in our review section below!

Often times, DIY recipes call for both vinegar and liquid dish soap, which is why we included number 5 (Mrs. Meyer’s Clean Day Dish Soap – Lemon Verbena) on our list.

Lemon is a natural insect repellent, so their lemon verbena scent will help your flowerbeds out in multiple ways!

Top 3 Best Weed Killer for Flower Beds Reviews

1. Compare-N-Save Concentrate Grass and Weed Killer

Seeing that this is a common herbicide used to keep the weeds down in crops, it is also safe for you to use around the flowerbeds.

This is a 41% solution of glyphosate that, when applied to the weeds, will be absorbed by their leaves and kill them to the root.

It’s a great general weed killer to have in your garden shed. You can use it on pathways, around the vegetable garden and in the flowerbeds. Keep in mind that while it is great at killing weeds, you’ll have to stay on top of things in order to prevent them from coming back. This isn’t a one-spray-kills-forever solution.

You’ll need a sprayer to mix and then apply this weed killer, so if you don’t already have one, we suggest this one from Chapin.

2. Roundup Weed and Grass Killer Super Concentrate

Roundup is one of the most well known weed killers there is.

You’ll notice that this bottle, which is only a 1/2-gallon, is quite expensive, but as a concentrate, you’ll be diluting it with water so it will last quite a while.

This also contains glyphosate like the previous product but in a higher percentage (50.2% versus the 41% from Compare-N-Save).

Roundup has quite a few products to choose from, but this one can be used around flowers, mulch beds and many of the common nooks and crannies where those stubborn weeds grow.

3. Eco Clean Pure 20% Vinegar – Home&Garden

A 20% solution of white vinegar should be strong enough to kill the weeds, and we personally use this one from Factory Direct Vinegar.

There are weed killer recipes that gardeners swear by that contain vinegar, but the one thing you need to take into consideration when you use it is that it can lower the pH of your soil!

If your soil is alkaline, this might actually be a good thing, but if your soil is already acidic, it might have a negative effect on the surrounding plants.

You can search for plenty of recipes online, but when it comes to choosing the vinegar, you’re going to need the stronger stuff.

Be very careful when you handle it because it can burn you (it is an acid). Always wear safety gloves and goggles when using it!

We would recommend you get some glass bottles to mix the solution up in (whether it is just water and vinegar or a combination of ingredients).

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