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SMART SEED 7-lb Mixture/Blend Grass Seed

Ratings & Reviews for Pennington SMART SEED 7-lb Mixture/Blend Grass Seed

4.1
212
Review
 4.1 out of 5
212 Reviews


78% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this grass seed for exceptional performance in shady, difficult-to-grow areas, with most reporting successful germination and rapid growth within days to two weeks. Many describe dramatic transformations from bare dirt to thick, green lawns where nothing else had worked. Reviewers highlight the dense shade formulation as uniquely effective, appreciate its ease of application with a spreader, and note consistent reliability. A small group reported no growth despite following instructions, though these experiences remain rare. Overall, most customers consider this product highly effective and recommend it for challenging shade conditions.

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

looks promising

[This review was collected as part of a promotion.] ever try growing grass under a pine tree, not fun. it always dies or grows a fraction of the seed you put down. I was pretty impressed that this seed actually grew. I'm hoping it stays strong. right now the grass is very small, too small for mowing but it looks promising.

May 2, 2021

From pennington.com

amazing

[This review was collected as part of a promotion.] We used this about two weeks ago, and we're already seeing baby grass growing! We watered the grass twice a day to keep the moisture there, but it's starting to look better!

April 30, 2021

From pennington.com

works great!

[This review was collected as part of a promotion.] Our backyard is shaded almost all day, it's sandy & full of weeds. We tilled up the ground, raked it, and spread these grass seeds only for there to be 2 weeks of flash floods. Surprisingly, it didn't all wash away! We've already got new growth and I can't wait to see what it looks like as more time goes by. I might get another bag to touch up spots where the storms washed away the seeds, but with daily watering I think it will fill in nicely. ...

April 26, 2021

From pennington.com

I'll try again in May

[This review was collected as part of a promotion.] I planted grass seed a few weeks ago but I think it was still too cold out and nothing really grew. I saved about half the bag and will try again in a couple weeks. I liked that it comes with bright green fertilizer mixed in so you can easily see where you have placed the seed. Hopefully it will grow in warmer weather.

April 26, 2021

From pennington.com

Response from penningtonpwr

Hi Carolyn1051, Much of the country did run into an intense cold snap early in Spring which impacted growth. Please contact our customer service depar... Read More

penningtonpwrSeptember 5, 2026

Will grow on shady areas and cool weather

[This review was collected as part of a promotion.] I also have the "Pacific Northwest" seeds. I use these to overseed thinning spots in our lawn. Very easy to use, I just mow, rake, and clean the area I want to sprinkle the seeds on. They are great for cool weather and will grow even with a little sun. The "Dense Shade" seeds are better on perpetually shaded areas of the lawn. I wish the bag is resealable though.

April 25, 2021

From pennington.com

Best For Outdoor Seeding

[This review was collected as part of a promotion.] I got this to try and plant in my planters to protect the roots of some of my plants from getting too hot in the summer. It will grow well, however it is important to follow the watering instructions during the initial seeding phase to guarantee you will get the best results. Some of the planters I put them in I did not keep them moist enough as directed, although in other planters that had more ideal moisture conditions are growing well!

April 24, 2021

From pennington.com

Growing well

[This review was collected as part of a promotion.] There is so much shade in my yard that I've never been able to successfully grow grass. I knew that once I saw the opportunity to try this grass seed for testing purposes from Influenster, I had to give it a chance. It has been a couple of weeks now since I seeded and it's starting to grow in quite a bit. I'm very happy with it so far.

April 23, 2021

From pennington.com

Two weeks in, not much grass

[This review was collected as part of a promotion.] I got the Dense Shade version in hopes that maybe I could finally get grass to grow under the overhang of my porch roof. For starters, it doesn't cover much area (bag says 750sf, but I'd say closer to 400 if you do it right). And after a good mix of rain and warm weather, only about 1/4 of the area has any grass sprouting. I'll keep waiting and hoping.

April 21, 2021

From pennington.com

Response from penningtonpwr

Hi Matti886, Thank you for your review! Our grass seed coverage has been tested repeatedly to ensure it covers the stated amount. Additionally, we are... Read More

penningtonpwrSeptember 5, 2026

Great product as advertised

[This review was collected as part of a promotion.] I used the Smart Seed Dense Shade as overseeding the area under our big tree which blocks the sun for great part of the day. I'm already seen result with grass growth and spot starting to fill. The product is working as advertised and I am planning on overseeding every spring to keep my grass healthy without needing to take my tree out.

April 20, 2021

From pennington.com

So easy, even I could do it!

[This review was collected as part of a promotion.] I haven't had any experience planting grass seed (or honestly anything besides cutting my lawn), but this seed made it so simple and easy! I have trees in my yard that cast shade and really prevent grass from growing. This dense shade mix was perfect for me! I was tired of seeing areas of my yard under the trees have dead or no grass. It was easy to spread, didn't require as much water as I expected, and affordable for the product you get. I hi...

April 17, 2021

From pennington.com

it works!

[This review was collected as part of a promotion.] We have tried growing grass before in a shady area of our yard to no avail. We purchased this and within a couple of weeks we are seeing baby grass! So glad to actually have grass growing where we need it to!!

April 15, 2021

From pennington.com

green green grass

[This review was collected as part of a promotion.] I have used Pennington grass seed before and it's worked really well and quickly. And also good coverage. I have never used the smart seed product so I am very excited to try this product out and skip some steps in the grass planting process!

April 14, 2021

From pennington.com

Great for shady areas

[This review was collected as part of a promotion.] This grass + fertilizer mix is great for areas getting only 2 to 6 hours of sun. It takes a little while to grow (8-16 days) and doesn't require as much water as usual grass. There is no geographic area restriction for this seed!

April 14, 2021

From pennington.com

Under the Trampoline!

[This review was collected as part of a promotion.] We have these seeds out in the backyard, under the trampoline where it get shade a lot of the day! We live in a sunny area so hopefully it makes it so grass will grow beautifully under the tarp!

April 14, 2021

From pennington.com

great seed!

[This review was collected as part of a promotion.] Easy to spread, love the green color so I can see where it is in the dirt very easily and how dense it's spread out. Laid it on Saturday and it's already sprouting today on Tuesday! Will definitely be purchasing more!

April 13, 2021

From pennington.com

Shady grass patch grows

[This review was collected as part of a promotion.] We struggled to get grass to grow in a very shaded, damp area of our yard. It took most of the summer to get the seedlings to grow and patch in areas but the Pennington grass worked and the spot is looking much improved!

April 12, 2021

From pennington.com

Smart seed

[This review was collected as part of a promotion.] I purchased this grass seed for a specific area in my backyard that is a shaded area. I like the bag the seeds come and is easy to carry. I really like that this formula not only brings seeds but it contains fertilizer which feeds the grass to help with growth. a week and a half after planting and I have already seen the sprouts peeking through. I made sure I watered enough to get them going. I see potential in these seeds and hope to see how w...

April 10, 2021

From pennington.com

wonderful!

[This review was collected as part of a promotion.] We have some large pine trees in the back of our yard that make it super shady. This dense shade is perfect for the shady spot under the big trees. I felt the price was reasonable!

April 10, 2021

From pennington.com

I see grass!

[This review was collected as part of a promotion.] We used this in our front yard, we have a huge tree that covers a large part that never gets sun. We started to see results only a few days after planting. I would recommend this seed for shaded areas.

April 9, 2021

From pennington.com

Smart Seed

[This review was collected as part of a promotion.] Application was very easy. I'm still waiting to see how it grows. The area that I used it on gets very little sun so hopefully it works.

April 9, 2021

From pennington.com