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Contractor's Mix North 40-lb Mixture/Blend Grass Seed

Ratings & Reviews for Pennington Contractor's Mix North 40-lb Mixture/Blend Grass Seed

3.9
415
Review
 3.9 out of 5
415 Reviews


77% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The grass seed product had mixed reviews. Some customers reported positive experiences, stating the seed germinated quickly, grew well, and provided good coverage. However, many were dissatisfied, reporting poor germination, the seed dying off, and the product not meeting their expectations. Several mentioned issues with the quality and composition of the seed, finding it to be mostly "filler" rather than actual grass seed. There were also concerns about the product not matching the existing lawn and not being suitable for certain uses.

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

works pretty good

Would Recommend

[This review was collected as part of a promotion.] Took a while to take but it grew up in the patches. Nothing remarkable but it did grow.

July 18, 2025

From Pennington

Would Not Recommend

It should be a crime to market this grass seed this way. This is about 1 lb of grass seed covered in 19 lbs of “fertilizer”. Bag says it covers 4000sqft. It might if you only put once seed of grass per square foot. It might grow great but you will only get a thick lawn if you use this to cover 100sq ft. What a scam!

Was this Review Helpful ?
Response from Pennington Team

Hi Jake! We are really sorry to hear about this. We’re really sorry to hear about your experience and appreciate you reaching out. To help determine ...

Pennington TeamJuly 17, 2025

pennington

Great product for pet patches

Would Recommend

[This review was collected as part of a promotion.] I used this to patch where the yard was brown from my pets. I watered everyday and it filled the area. I loved having the grass back but found it was not the same as my other grass so it stood out. I plan to resend in the fall. It works to patch those stubborn areas

July 17, 2025

From Pennington

Didn't get the results I wanted

Would Recommend

[This review was collected as part of a promotion.] I used this in patches of my yard they started to grow good than we got heavy heavy rain for days and I think it killed the grass before it could be established

July 17, 2025

From Pennington

Response from penningtonpwr

Hi there Bigun- Thank you for your feedback - we're sorry to hear that the heavy rain impacted your results. It sounds lik...

penningtonpwrJanuary 18, 2026

Great product for pet patches

Would Recommend

[This review was collected as part of a promotion.] I used this to patch where the yard was brown from my pets. I watered everyday and it filled the area. I loved having the grass back but found it was not the same as my other grass so it stood out. I plan to resend in the fall. It works to patch those stubborn areas

July 17, 2025

From pennington.com

Didn't get the results I wanted

Would Recommend

[This review was collected as part of a promotion.] I used this in patches of my yard they started to grow good than we got heavy heavy rain for days and I think it killed the grass before it could be established

July 17, 2025

From pennington.com

Response from penningtonpwr

Hi there Bigun- Thank you for your feedback - we're sorry to hear that the heavy rain impacted your results. It sounds like the grass was off to a goo...

penningtonpwrMay 18, 2026
Response from penningtonpwr

Hi there Bigun- Thank you for your feedback - we're sorry to hear that the heavy rain impacted your results. It sounds like the grass was off to a goo...

penningtonpwrMay 10, 2026

Dies after quick results

Would Not Recommend

Planted it in late spring in fresh topsoil and starter fertilizer. Shot up in record time. Grew thick and fast. I was thrilled and amazed. Then June hit and when the weather hit 80's, almost every blade of grass turned brown and dried up. I have huge patches of burned out grass that I will have to do all over again this fall or next spring. Contacted Pennington about a refund and will get one, but they commented that "contractors mix is used by contractors, so I wouldn't be using it again". Tell...

July 15, 2025

From Pennington

Response from penningtonpwr

Hello there- We're sorry to hear your grass turned brown and dried up-that's understandably upsetting. When temperatures r...

penningtonpwrJanuary 18, 2026

Dies after quick results

Would Not Recommend

Planted it in late spring in fresh topsoil and starter fertilizer. Shot up in record time. Grew thick and fast. I was thrilled and amazed. Then June hit and when the weather hit 80's, almost every blade of grass turned brown and dried up. I have huge patches of burned out grass that I will have to do all over again this fall or next spring. Contacted Pennington about a refund and will get one, but they commented that "contractors mix is used by contractors, so I wouldn't be using it again". Tell...

July 15, 2025

From pennington.com

Response from penningtonpwr

Hello there- We're sorry to hear your grass turned brown and dried up-that's understandably upsetting. When temperatures rise, adjusting your waterin...

penningtonpwrMay 18, 2026
Response from penningtonpwr

Hello there- We're sorry to hear your grass turned brown and dried up-that's understandably upsetting. When temperatures rise, adjusting your waterin...

penningtonpwrMay 10, 2026

Great grass brand

Would Recommend

[This review was collected as part of a promotion.] I planted the grass mixture and it was quck to grow within around 7 days with daily wattering. I would recommend it to anyone looking to plant new grass in their yard.

July 11, 2025

From pennington.com

Great grass brand

Would Recommend

[This review was collected as part of a promotion.] I planted the grass mixture and it was quck to grow within around 7 days with daily wattering. I would recommend it to anyone looking to plant new grass in their yard.

July 11, 2025

From Pennington

I would recommend buying something better

Would Not Recommend

[This review was collected as part of a promotion.] The seeds are difficult to spread and growing I think the inferior quality of the seeds caused slowed germination. I prepped the lawn (soil, sowing, watering) but not overwatering. I ensured to water lawn 2x day for 7 days and not overwatering. Only about 10% of the bag took and that would be overstating it. I am very disappointed and I will not purchase again in the future

July 11, 2025

From Pennington

Response from penningtonpwr

Hi TheBoss-We're very sorry to hear that you didn't see any germination. A number of factors can influence germination success, including soil conditi...

penningtonpwrJanuary 18, 2026

I would recommend buying something better

Would Not Recommend

[This review was collected as part of a promotion.] The seeds are difficult to spread and growing I think the inferior quality of the seeds caused slowed germination. I prepped the lawn (soil, sowing, watering) but not overwatering. I ensured to water lawn 2x day for 7 days and not overwatering. Only about 10% of the bag took and that would be overstating it. I am very disappointed and I will not purchase again in the future

July 11, 2025

From pennington.com

Response from penningtonpwr

Hi TheBoss-We're very sorry to hear that you didn't see any germination. A number of factors can influence germination success, including soil conditi...

penningtonpwrMay 18, 2026
Response from penningtonpwr

Hi TheBoss-We're very sorry to hear that you didn't see any germination. A number of factors can influence germination success, including soil conditi...

penningtonpwrMay 10, 2026

Great coverage in patchy areas

Would Recommend

[This review was collected as part of a promotion.] Used this to fill in some patched in small grass areas around my pool, between the pool deck and garden beds. There was centipede grass before and it grows so slow that it just looked patchy, this seed took and filled in the patchy mess. It is a relatively non trafficked area, so it took well and grew green pretty quickly since the beginning of the warm season. The area is pretty much 50/50 sun and shade, but this seed worked out great.

July 7, 2025

From pennington.com

Did good overall

Would Recommend

[This review was collected as part of a promotion.] I put some of this on a few bare spots in my yard. The product did good over all. Had good coverage. Didn't do as well in the mostly shaded areas. Just not as thick

July 7, 2025

From pennington.com

Did good overall

Would Recommend

[This review was collected as part of a promotion.] I put some of this on a few bare spots in my yard. The product did good over all. Had good coverage. Didn't do as well in the mostly shaded areas. Just not as thick

July 7, 2025

From Pennington

Great coverage in patchy areas

Would Recommend

[This review was collected as part of a promotion.] Used this to fill in some patched in small grass areas around my pool, between the pool deck and garden beds. There was centipede grass before and it grows so slow that it just looked patchy, this seed took and filled in the patchy mess. It is a relatively non trafficked area, so it took well and grew green pretty quickly since the beginning of the warm season. The area is pretty much 50/50 sun and shade, but this seed worked out great.

July 7, 2025

From Pennington

Would Buy this over and over

Would Recommend

[This review was collected as part of a promotion.] Sowed this grass seed on the side of my house where moss was covering the ground and it has done wonderfully! The moss is leaving and the grass is growing

July 7, 2025

From Pennington

Would Buy this over and over

Would Recommend

[This review was collected as part of a promotion.] Sowed this grass seed on the side of my house where moss was covering the ground and it has done wonderfully! The moss is leaving and the grass is growing

July 7, 2025

From pennington.com

Great Lawn Seed

Would Recommend

[This review was collected as part of a promotion.] The seeds germinated quickly, taking only about a week to sprout, and the vibrant green color really transformed my yard. I appreciated that the instructions for planting were clear and easy to follow, which made the process straightforward. After a few weeks of regular watering, the grass is now thick and healthy, providing a lush carpet for my family to enjoy. Overall, I highly recommend this grass seed to anyone looking to revitalize their l...

July 4, 2025

From pennington.com