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 Sevin Insect Killer Liquid 1 pt

Ratings & Reviews for GARDENTECH Sevin Insect Killer Liquid 1 pt

3.7
218
Review
 3.7 out of 5
218 Reviews


73% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers report mixed results, with most praising effectiveness against Japanese beetles, ants, stink bugs, aphids, spider mites, and caterpillars, noting visible results within days and protection lasting up to 90 days. However, many express frustration that the formula no longer works as effectively as before, with pests persisting despite proper application. Some report plant damage including blackened leaves and wilting, while others note the product washes off easily with rain, requiring frequent reapplication. Overall, reviewers remain divided on whether current performance justifies use.

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

I will Not buy this product again and will demand money back

Would Not Recommend

Did NOT work on contact and still have potato beetles on plants, even immature beetles on plants. Tried on Japanese beetles and they laughed. And kept eating. This does not deserve a 1 star, but cannot submit without it.

July 19, 2025

From gardentech.com

I will Not buy this product again and will demand money back

Would Not Recommend

Did NOT work on contact and still have potato beetles on plants, even immature beetles on plants. Tried on Japanese beetles and they laughed. And kept eating. This does not deserve a 1 star, but cannot submit without it.

July 19, 2025

From Central Garden & Pet Company

What's going on guys?!

Would Not Recommend

I've been using nothing but this product for 36 years and only this product. It has never let me down. Now I don't know what you guys did over the past 5 years, but fix it or I'm going back to MSMA and Triazide. It covers half as much (at best). Washes off with the slightest of hint of an overnight shower. 30% of my plants are still getting eaten. The only thing it seemed to do was get rid of grubs quickly. All other insects seemed to get bigger, stronger and more of. I went from 4 bottles per t...

July 3, 2025

From Central Garden & Pet Company

Response from gardentechpwr

We are sorry to hear about your experience with this product. If you would like to further discuss your experience please contact our Customer Service...

gardentechpwrJanuary 18, 2026

What's going on guys?!

Would Not Recommend

I've been using nothing but this product for 36 years and only this product. It has never let me down. Now I don't know what you guys did over the past 5 years, but fix it or I'm going back to MSMA and Triazide. It covers half as much (at best). Washes off with the slightest of hint of an overnight shower. 30% of my plants are still getting eaten. The only thing it seemed to do was get rid of grubs quickly. All other insects seemed to get bigger, stronger and more of. I went from 4 bottles per t...

July 3, 2025

From gardentech.com

Response from gardentechpwr

We are sorry to hear about your experience with this product. If you would like to further discuss your experience please contact our Customer Service...

gardentechpwrSeptember 5, 2026

Will Not buy this again

Would Not Recommend

Your quart spray bottles absolutely suck, I will never buy this product again.

August 1, 2024

From gardentech.com

Response from gardentechpwr

Hello, we apologize for the inconvenience and are aware one of our manufacturers shipped some sprayer heads with the wrong words on them. Clean will e...

gardentechpwrSeptember 5, 2026

Will Not buy this again

Would Not Recommend

Your quart spray bottles absolutely suck, I will never buy this product again.

August 1, 2024

From Central Garden & Pet Company

Response from gardentechpwr

Hello, we apologize for the inconvenience and are aware one of our manufacturers shipped some sprayer heads with the wrong words on them. Clean will e...

gardentechpwrJanuary 18, 2026

Use this product if you want to kill your garden plants.

Would Not Recommend

I mixed Sevin concentrate as directed: 4 fluid ounces per gallon of water. Sprayed the mixture on my zucchini plants, butternut squash plants, and on my pear tree. All the leaves on the pear tree turned black within 24 hours. My squash plants produced no fruit and slowly died. I also bought Sevin granular pesticide for my lawn. When I saw what Sevin did to my pear trees, I returned the bags of Sevin back to the store for a refund. Never to buy Sevin again!

July 31, 2024

From gardentech.com

Response from gardentechpwr

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

gardentechpwrSeptember 5, 2026

Use this product if you want to kill your garden plants.

Would Not Recommend

I mixed Sevin concentrate as directed: 4 fluid ounces per gallon of water. Sprayed the mixture on my zucchini plants, butternut squash plants, and on my pear tree. All the leaves on the pear tree turned black within 24 hours. My squash plants produced no fruit and slowly died. I also bought Sevin granular pesticide for my lawn. When I saw what Sevin did to my pear trees, I returned the bags of Sevin back to the store for a refund. Never to buy Sevin again!

July 31, 2024

From Central Garden & Pet Company

Response from gardentechpwr

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

gardentechpwrJanuary 18, 2026

killed half of rose bush

Would Not Recommend

I purchased this for my rose bushes I normally use a different brand. I will not purchase again half of my rose bush dried up and died. This was with only one application. Thank goodness I didn't use on my vegetable garden.

July 30, 2024

From gardentech.com

Response from gardentechpwr

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 important t...

gardentechpwrSeptember 5, 2026

killed half of rose bush

Would Not Recommend

I purchased this for my rose bushes I normally use a different brand. I will not purchase again half of my rose bush dried up and died. This was with only one application. Thank goodness I didn't use on my vegetable garden.

July 30, 2024

From Central Garden & Pet Company

Response from gardentechpwr

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 important t...

gardentechpwrJanuary 18, 2026

concentrate ratio?

One label says 4 oz's per gallon treat 2,000 sq ft and on the inside label under lawn it says 4 0z treats 250 square ft. I'm confused so that's why I have not used the concentrate yet but would like to.

July 16, 2024

From gardentech.com

Response from gardentechpwr

We apologize for your frustration and experience with our product. The 32oz bottle of Sevin Concentrate covers a total of 2,000 square feet. There are...

gardentechpwrSeptember 5, 2026

concentrate ratio?

One label says 4 oz's per gallon treat 2,000 sq ft and on the inside label under lawn it says 4 0z treats 250 square ft. I'm confused so that's why I have not used the concentrate yet but would like to.

July 16, 2024

From Central Garden & Pet Company

Response from gardentechpwr

We apologize for your frustration and experience with our product. The 32oz bottle of Sevin Concentrate covers a total of 2,000 square feet. There are...

gardentechpwrJanuary 18, 2026

Great product for insect control

Would Recommend

I would have given five stars but the measurements provided by the cap are useless. I can't read the incrments even under ideal lighting. I use this product on my drawf orange tree so it is vital to follow the directions if you plan on eating the fruit. That said, this is the first product that effectively stops leaf miners. I've tried all kinds of "friendly" products to no avail but this product kills the leaf miners before they have a chance to wreck the ornimental value of my tree.

July 13, 2024

From gardentech.com

Great product for insect control

Would Recommend

I would have given five stars but the measurements provided by the cap are useless. I can't read the incrments even under ideal lighting. I use this product on my drawf orange tree so it is vital to follow the directions if you plan on eating the fruit. That said, this is the first product that effectively stops leaf miners. I've tried all kinds of "friendly" products to no avail but this product kills the leaf miners before they have a chance to wreck the ornimental value of my tree.

July 13, 2024

From Central Garden & Pet Company

Sprayer doesn't work!

Would Not Recommend

Purchased two of the gallon ready to use Sevin. Hooked up the first one and the sprayer would not work. So opened up the second one and same thing! Now I'll have to buy a separate sprayer to apply the second.

July 1, 2024

From gardentech.com

Response from gardentechpwr

Hello, We're sorry to hear about your problem with the sprayer nozzle. We would be glad to provide you with a replacement sprayer head. You can call c...

gardentechpwrSeptember 5, 2026

Killing my plants in my garden

Would Not Recommend

I sprayed this last night when it was cooler and not humid dealing with ants, pincher bugs and a few stink bugs I've already plucked what I did find (on zuchinni). Went out to check to see of I could find anymore adult stink bugs and my zuchinni plant was flat and wilted like it is dying. This morning my whole garden looks like it is dying as fruit is just starting to grow. I mixed according to label 4oz to 1 gallon in sprayer and misted all my plants. This is completely ridiculous. My garden is...

July 1, 2024

From Central Garden & Pet Company

Response from gardentechpwr

Thanks for letting us know. Hearing about your experience is important to us. We hope you'll consider giving us a call at 1-800-265-0761 so we can lea...

gardentechpwrJanuary 18, 2026

Sprayer doesn't work!

Would Not Recommend

Purchased two of the gallon ready to use Sevin. Hooked up the first one and the sprayer would not work. So opened up the second one and same thing! Now I'll have to buy a separate sprayer to apply the second.

July 1, 2024

From Central Garden & Pet Company

Response from gardentechpwr

Hello, We're sorry to hear about your problem with the sprayer nozzle. We would be glad to provide you with a replacement sprayer head. You can call c...

gardentechpwrJanuary 18, 2026

Killing my plants in my garden

Would Not Recommend

I sprayed this last night when it was cooler and not humid dealing with ants, pincher bugs and a few stink bugs I've already plucked what I did find (on zuchinni). Went out to check to see of I could find anymore adult stink bugs and my zuchinni plant was flat and wilted like it is dying. This morning my whole garden looks like it is dying as fruit is just starting to grow. I mixed according to label 4oz to 1 gallon in sprayer and misted all my plants. This is completely ridiculous. My garden is...

July 1, 2024

From gardentech.com

Response from gardentechpwr

Thanks for letting us know. Hearing about your experience is important to us. We hope you'll consider giving us a call at 1-800-265-0761 so we can lea...

gardentechpwrSeptember 5, 2026

Best I've used

Would Recommend

I've been using sevin concentrate for three years. I have a good 4 gal sprayer....I mix it per the instructions. I apply an even mist top and bottom of leaves. Always check the weather, needs 24 hrs before you water or rain. I use it once a month. We also plant flowers around the 1/2 acre, above ground, garden to draw the bugs away from the vegetables and attract bees. For the beetles, I use a weak solution on liquid Ivory dishwashing detergent to spray on the beans and then knock the beetles in...

May 24, 2024

From gardentech.com

Best I've used

Would Recommend

I've been using sevin concentrate for three years. I have a good 4 gal sprayer....I mix it per the instructions. I apply an even mist top and bottom of leaves. Always check the weather, needs 24 hrs before you water or rain. I use it once a month. We also plant flowers around the 1/2 acre, above ground, garden to draw the bugs away from the vegetables and attract bees. For the beetles, I use a weak solution on liquid Ivory dishwashing detergent to spray on the beans and then knock the beetles in...

May 24, 2024

From Central Garden & Pet Company