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Customer reviews for Member's Mark Potting Mix Planting Soil, 55 Quarts for
Member's Mark Potting Mix Planting Soil, 55 Quarts

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Jan 31, 2026
ANDY
2 out of 5 stars review

More mulch than soil

Unusually love the members mark items. But this changed my mind. Upon opening there were mostly bark items at the top which made me think I bought mulch. After stirring it was a little better. But still mostly debris than potting mix. After being open of a week the top started to grow white fuzz. I'm not sure if it was mold or something else that was organic. The snake plant and palm tree enjoy the drainage but the Zinnia and spider plant aren't fans. I will likely mix with another bag and try again just to make sure, if it is the same it will make great soil to plant the spring garden with.

Helpful?4P38KZ83OF9213612912390
reply from Pennington Team

We’re sorry to hear about your experience. This mix is a premium blend of peat, composted softwood bark, composted forest products, perlite, fertilizer, and a wetting agent. The mix should contain smaller bark pieces to aid aeration and plant stability. If you’re seeing anything different, please call us at 1-800-285-7333, and our team will be happy to help resolve the issue.

Mar 4, 2021
Sharon
3 out of 5 stars review

Not a great potting mix

This mix is a good value if you need a bottom filler for large containers or want to use it as a top compost layer on an outside garden but I wouldn't recommend it as a potting mix in general. It is very coarse and has a very high content of roughs. I'll use it for filler in the bottom of my large containers and will use it as a topdressing amendment for garden beds. 3 stars only for low price.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

Hi Sharon, Thank you for providing us with your feedback.

Apr 20, 2021
Batcrazy
2 out of 5 stars review

Awful

Bought several bags of this potting soil last year. It was wonderful. Bought six bags this year and it was awful. There a huge amount of chunks of wood of up to 4” in length and up to 2” wide in the two bags I opened. Surprising me even more was that I found rusted metal bars in two of the bags I opened. About the circumference of a coat hanger (16 gage) and were all 8” long, bent in half. I returned the other bags as they were unusable.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

Please contact our customer service at 800-285-7333 so we can help with this problem and get you satisfied. This does not sound like our top quality potting mix. We will make sure your problem is solved. Thanks

Mar 29, 2021
Tlex
1 out of 5 stars review

2021 - Not same as years past

We used this in 2019 and 2020 and it was my favorite. We patiently waited, and scooped 10 bags as soon as it was in store. This year, 2021, it is strange, gritty, dense, and doesn’t seem to drain. My mistake for not buying a single bag and checking it out. Wish they had not changed it. It is NOT a high quality potting mix as in the past.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

Hi Tlex, Please contact our customer service department toll-free at 1-800-285-7333 so we may assist you further. Thank you.

Mar 15, 2021
Blt65
1 out of 5 stars review

Do not buy this year...2021

I never take time to review items, but this year, the potting mix is horrible and I felt responsible to noyify other gardners about the issue. In previous years, I have have bought a lot of this potting mix and it was great. This year, 2021, the soil is horrible. It looks more like old mulch that dirt. It had a lot of white mold and lots of wood chunks. It is unsuitable for indoor use and semi usable outdoors. Wish I would have known before my wife placed in the planters outside or I would have returned all 10 bags. Every bag was the same. Maybe its just a NJ area issue, but skip this year.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

Please contact our customer service and we will make sure you are satisfied. 800-285-7333 as this does not sound like our high quality potting mix. We will make sure you are satisfied with this mix. Thanks

Apr 26, 2023
laurieb
1 out of 5 stars review

Don't buy

Not happy with this soil at all. I purchased this as a potting soil to start my vegetable seeds. It is more like a garden soil. Full of wood chips. Now I am going to have to replant my seeds. I will be buying miracle grow brand this time. I would return but it would be a pain to return a huge bag of opened soil.

Helpful?4P38KZ83OF9213612912390
Mar 2, 2022
Caleb
1 out of 5 stars review

Awful potting mix

I bought this last year after reading the mixed reviews of it being nothing more than mulch with some potting mix. They were right. If you're going to insist on still buying it, do so considering it as a mulch. I pulled it from all my containers & I use it as a top dressing for the plants until it's gone.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

We are sorry about your experience, Please contact our customer service at 800-285-7333 and they will get you satisfied. This is a premium potting mix.

Jun 5, 2022
TSH
1 out of 5 stars review

BUYER BEWARE

I decided to buy this instead of Miracle Gro. I had been buying MG and decided for the price to give this a try. Sadly that was a HUGH mistake., This is pure pine bark using the term mulch lightly, with some dirt mixed in. HORRIBLE stuff. Okay for adding it into clay to loosen it, but otherwise run from this stuff, as it stinks like pine. Stick with Miracle Gro for a great potting soil for your plants. Had I not opened it, it would have made a fast trip back to Sams. This stuff is not as good as the area here where we can buy a load of mulch for ten dollars. I hardly ever write reviews, but did not want others to make the mistake I made. Well, back to Sams for Miracle Gro.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

Please contact our customer service at 800-285-7333 and they will make sure you are satisfied. This Potting Mix is Premium Quality and made to standards better than other brands so this sounds like a problem you have encountered. Please contact us and we will be sure you are Satisfied with our product. Thanks

Jun 6, 2022
Griller
1 out of 5 stars review

Nope.

I bought two bags to fill large planters, planning to plant cilantro, dill and zinnia seed for a butterfly garden area. On opening the bag, large chunks of mulch and shredded wood were visible. I filled the planters, scattered the seeds and covered with another layer of potting mix. When I watered the planters, large mulch chips floated to the top, creating a layer on the top of the planters. In the photo, I have side by side comparisons with Members Mark and the more popular brand of potting mix sold at Sams. The next day, the top layer was dry as there was nothing to hold the moisture in place, it rapidly dried out since it's basically mulch. I'll have to give another review if the seeds germinate and grow well, but right now, I would not recommend this product or buy it again. I am usually impressed with Members Mark quality, but not this time.

Helpful?4P38KZ83OF9213612912390
reply from Supplier Response

Please contact our customer service at 800-285-7333 and we will make sure you are satisfied. As our product is a high quality potting mix, so this is not up to our standards.<br /><br />Thanks

Jul 2, 2023
sad plant owner
1 out of 5 stars review

Inferior potting soil

This is the 1st bad product or review I have gotten from Sam's. I had a business membership from 2000 to 2017 a plus membership since 2017. I bought 6 bags of Members Mark potting soil Mix on May 13. I used it to plant a Mother's Day present and over $200 in annual plants in baskets and pots. I had purchased the Miracle Grow Moisture control potting soil for the previous years. This soil is inferior. My Wave petunias are normally hanging down about 2 feet below the baskets. My mother in-law talked about how her present isn't growing like it did every other year, my neighbors have noticed the difference in my plants.

Helpful?4P38KZ83OF9213612912390