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6 Best Organic Weed Killers to Maintain Well-Manicured Lawns and Gardens
Say goodbye to weeds—for good!
Knowing how to kill weeds is an indispensable gardening skill, but at times, it can feel impossible to master. Without the right tools and maintenance, those pesky plants will pop up faster than you can spot, grab, and toss ‘em. Whether it’s your lawn, garden, or backyard that's in peril, there's usually no shortage of crabgrass, dandelions, pigweed, and other weeds draining the soil of nutrients and harming the plants you actually want to thrive. And no, those adorable gardening gloves you just bought will not help matters much. If you're wondering where to turn next, you might want to try adding one of these best organic weed killers to your toolbox. Trust us, they'll save your landscaping ideas!
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While many gardeners turn toward traditional herbicides and chemical weed killers (hey, they get the job done!), those products also have the potential to harm wildlife and contaminate your fruits and veggies, which is seriously unfortunate. That's where organic weed killers come into play. The best products make fighting weeds a whole lot easier without posing a risk to pets, the environment, and safe food production. You'd only invest in organic flower fertilizers, so why should your weed killers be any different?
Read on to learn which organic weed killers we believe will keep your garden and yard weed-free, then grab your gardening shoes and get to work. You've got this!
Natural Armor Weed and Grass Killer All-Natural Concentrated Formula
Natural Armor Weed and Grass Killer All-Natural Concentrated Formula
Pros
- No messy mixing or diluting
- See results in hours
Cons
- Kills all vegetation
- Best to use on calm sunny days (65° and warmer) when no rain is expected
This handy weed killer comes with an easy-to-use sprayer, making it a breeze to use on everything from flower beds and mulch beds to parking areas and walkways. If convenience is key for you, this option's the way to go.
| Type: | Spray |
|---|---|
| Size: | 1 gallon |
| Formula: | Nonselective; 30% vinegar |
Natria Grass & Weed Control with Root Kill
Pros
- Kills to the roots
- Visual results in as little as 24 hours
- Does not stain bricks, concrete, or asphalt
Cons
- Kills grass, not intended for use on lawns
- Must be thoroughly covered
Poison ivy and crabgrass are no match for this pick from Natria! It works by targeting weeds' roots, so you won't have to worry about regrowth.
| Type: | Spray |
|---|---|
| Size: | 1 gallon |
| Formula: | Nonselective; ammoniated soap |
Green Gobbler 20% Vinegar Weed & Grass Killer
Pros
- Full desiccation in less than 24 hours
- Biodegradable formula
Cons
- Should be used in full sunshine
- Less effective on stubborn weeds, better for more sensitive varieties
This fast-acting formula is packed with acetic acid, a well-known natural weed killer. Spray it on sidewalks, pavers, driveways, and other areas that have been invaded by weeds.
| Type: | Spray |
|---|---|
| Size: | 1 gallon |
| Formula: | Nonselective; corn derivative; 20% vinegar |
Dr. Earth Final Stop Ready-to-Use Natural Herbicide
Pros
- Kills to the roots
- Fast-acting formula
Cons
- Will also kill grasses
- Needs to be used during hottest part of the day
Eliminate weeds almost instantly with this pet- and people-safe weed killer. It works best when there's plenty of sun, so make sure to spray during the day.
| Type: | Spray |
|---|---|
| Size: | 1 gallon |
| Formula: | Nonselective; cinnamon oil, citric acid, clove oil, rosemary oil, sesame oil, thyme oil |
Harris Sea Salt Weed and Grass Killer
Pros
- Kills down to the root
- Works fast
Cons
- Should be used when weeds are small and actively growing
- Conditions of high evaporation rates may result in reduced efficacy
Here's an option that contains a mixture of sea salt and vinegar! It takes just hours to start seeing results—all you have to do is spritz weeds and unwanted grasses until they're wet. Then, you can back and relax as the weed killer takes care of the rest.
| Type: | Spray |
|---|---|
| Size: | 1 gallon |
| Formula: | Nonselective; sea salt, vinegar |
Bonide Burn Out Weed and Grass Killer
Pros
- Works in temperatures as low as 40°
- Becomes waterproof after drying
- Works within hours
Cons
- Less product
- Can kill surrounding grasses
This one might be on the smaller side, but the sleek spray bottle makes application simple. Plus, you can get to hard-to-reach spaces. The formula packs a powerful punch that'll have those weeds dying within hours.
| Type: | Spray |
|---|---|
| Size: | 32 ounces |
| Formula: | Nonselective; citric acid; clove oil |
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