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1-Gallon Concentrate Garden Insect Killer

Ratings & Reviews for Sevin 1-Gallon Concentrate Garden Insect Killer

3.7
117
Review
 3.7 out of 5
117 Reviews


74% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product appears to be an effective insect killer that successfully eliminates a variety of garden pests. Many users report it effectively controls insects like Japanese beetles, ants, fleas, and ticks, with fast-acting and long-lasting effects. However, some express concerns about its potential impact on beneficial insects and its strong odor. A few found it ineffective against certain pests or received less concentrate than expected. Overall, the product seems to be a reliable tool for controlling harmful insects in home gardens, though users should follow instructions carefully and consider environmental impacts.

Customer review summary generated by AI, including incentivized reviews.
117 Customer Reviews

Yes on product, no on new container

Would Not Recommend

Product works great, container keeps disconnecting from house, wasted 3/4 of Product twice. Will not purchase again until new design. Yes I did turn water pressure down.

July 29, 2022

From gardentech.com

Response from gardentechpwr

Hello, We apologize for your negative experience with our product. Please contact our customer service department toll-free at 1-800-265-0761 so we ma...

gardentechpwrMay 7, 2026

Buy it and use it

Would Recommend

Live in Ohio and at this summer season (July) the Japanese Beetles were destroying newly grafted apple trees, raspberry's and blackberries. I tried two insecticides I had labeled for use on these plants. They kill exposed Japanese Beetles but the next day they were back in the dozens eating leaves and mating on all the plants. I was told Liquid Sevin should be tried. I bought some, mixed it in my sprayer and applied it according to directions. Exposed beetles were dead in about 10 minutes. Today...

July 7, 2022

From gardentech.com

Need help with question on product

Would Recommend

I've tried contacting garden tech at their listed phone number on the product bottle with NO success.goes to a recording and asks for User I D number. What is that???

July 6, 2022

From gardentech.com

Response from gardentechpwr

Thanks for letting us know. We're sorry to hear about your experience. Please give us a call at 1-800-265-0761 option 3 so we can learn more.

gardentechpwrMay 7, 2026

This product is a total joke Japanese beetles grow larger

Would Not Recommend

I mix in 25 gallon spot sprayer at an extreme rate of 4 oz per gallon of water. Beetles love the bath it gives them. I would strongly recommend Bayer stop lying to people that this products controls Japanese beetles.

July 1, 2022

From gardentech.com

Response from gardentechpwr

Hello, we apologize for your negative experience with our product. Please contact our customer service department toll-free at 1-800-265-0761 so we ma...

gardentechpwrMay 7, 2026

Great on Plants, HORRIBLE for lawns

I have used this product for years on my plants and it has worked awesome. This year I decided to treat my lawn with their lawn product and I had more insects than I did before I used it. Absolutely horrible. I gave it a 3 as the plant product is awesome but lawn is not worth a lick!

July 1, 2022

From gardentech.com

Response from gardentechpwr

Thank you for your review! Should you have any questions or require additional assistance, please contact our customer service department toll-free at...

gardentechpwrMay 7, 2026

Used for a Lantern Fly infestation.

Would Recommend

I used the Sevin that connects to the water hose. Was extremely easy to use and easy to view how much is in the bottle because the water stays out of the bottle. I covered a large area. The Lantern Flys were killed in a couple of minutes after contact. 1,000's were scattered across the ground in minutes. I highly recommended. Also after spraying my tree added a sticky tape with screen over it to protect the birds and it is also working well. I simple not costly way to help combat Lantern Flys. T...

June 25, 2022

From gardentech.com

I've been using Sevin for 35 years

Would Recommend

My parents used it before that. All these people who say it doesn't work must be using it wrong.

June 13, 2022

From gardentech.com

No luck!

I have tried the spray for the 3rd year without much success.

May 31, 2022

From gardentech.com

Response from gardentechpwr

Hello, we apologize for your negative experience with our product. Please contact our customer service department toll-free at 1-800-265-0761 so we ma...

gardentechpwrMay 7, 2026

Nope

Would Not Recommend

I used a hose sprayer, we have a lot of Spittle Bug. I sprayed 4000 sq. It seemed to knock the bugs down then three days later they are starting to show up, the bugs and the nymphs. Bubbles and all. What a waste of time. I'm trying to save my $3,000 front yard.

May 25, 2022

From gardentech.com

Response from gardentechpwr

Hello, we apologize for your negative experience with our product. Please contact our customer service department toll-free at 1-800-265-0761 so we ma...

gardentechpwrMay 7, 2026

I will not buy this again

Would Not Recommend

Bought the gallon jug with spray nozzle total waste of money . Spray nozzle sprayed twice then never again don't buys this product!

May 21, 2022

From gardentech.com

Response from gardentechpwr

Hello, we're sorry to hear that you did not have a good experience with our product. Thanks for letting us know. Hearing about your experience is impo...

gardentechpwrMay 7, 2026

not sure I will try again

Would Not Recommend

first time i used this product. i had/have an ant issue. i sprayed my entire yard and in 3 days had ants back. i was careful to follow directions [ even called before use]. not sure if would try it again.

May 10, 2022

From gardentech.com

Response from gardentechpwr

Hello, we apologize for your negative experience with our product. Please contact our customer service department toll-free at 1-800-265-0761 so we ma...

gardentechpwrMay 7, 2026

Probably not again

Would Not Recommend

I'm sure the chemicals work just fine however no matter how I use the ready to spray it was spraying back on me when attached to the hose. I had as much on me as the yard!!

October 14, 2021

From gardentech.com

Response from gardentechpwr

Hello, We're sorry to hear about your experience with our Sevin Ready-to-Spray product. We would be glad to provide you with a replacement sprayer hea...

gardentechpwrMay 7, 2026

Sevin insect killer

Would Recommend

worked great have not had any problems at all. Will this product kill the army worms

September 8, 2021

From gardentech.com

I will never buy anything but this product for brid mites!

Would Recommend

This product is 10 star's and more to me. My husband and I and our dogs had brid mite for almost two yes. The pest control companies would tell us not to use sevn dust that it was very harmful. Forget them people!, use the severest guys it works. In less than 6 months we had them under control. Our dogs are not going crazy any more and they stop having ear infection because there were no bugs in there ears any more. I'm finally able to stop shaving my head!! People stop listening to the companie...

August 14, 2021

From gardentech.com

Product works great on Jap. Beetles but the PLASTIC waste..

Would Recommend

I purchased the powder because I know that it works on the Japanese Beetle. I was so surprised when I opened the container. The PLASTIC container was only half full. What a waste of PLASTIC! I'm not certain that I can even recycle this type of container in my area. Great product but it's time that some of these large manufacturers start thinking over their use of PLASTIC. IT's better to consider the environment than filling up shelf space, etc. It's time that someone finds a better answer to the...

August 6, 2021

From gardentech.com

Yes I will.

Would Recommend

Fires time using liquid product. Worked great on veggie garden and berry plants. Took care of the Japanese beetles problem. I have been using several other products over the years I will stick with your products from now on. Real pleased.

July 29, 2021

From gardentech.com

Yes

Would Recommend

Works great on Japanese Bettles but sprayer leaks after first application and the control button is hard to move

July 23, 2021

From gardentech.com

Response from gardentechpwr

Hi Cindy, We certainly wouldn't expect this product to cause an experience like this, so we'd like to chat further with you about this. When you have ...

gardentechpwrMay 7, 2026

Maybe

Trying your pro duct first time on berry bushes and veggie garden ls sevin safe to use on these applications especially when fruits and veggies are ripe? Thank Jim.

July 15, 2021

From gardentech.com

Response from gardentechpwr

Hi Jim, Sevin is approved for use on many berries and vegetables. You should check the approved list on the product label to make sure all of your edi...

gardentechpwrMay 7, 2026

Not happy. Expensive try at controlling pests

Would Not Recommend

I used one 10 pound bag and 3 one quart bottles of sevin and the Japanese beetles are still devouring my hollyhocks. The leaves and flowers are covered with bugs.

June 28, 2021

From gardentech.com

Response from gardentechpwr

Hi Gma, We certainly wouldn't expect this product to cause an experience like this, so we'd like to chat further with you about this. When you have a ...

gardentechpwrMay 7, 2026