St. Louis Composting, Inc.

St. Louis Composting, Inc. STA Certified compost, premium soils, and mulches. For over two decades, St. St. Louis Composting offers more than just compost. Delivery available.

As any seasoned gardener or landscaper knows, the most important thing you can do to enhance a lawn or garden is to cultivate better soil. And the single best way to do that is to condition your soil with compost, one of the finest organic supplements known to humankind. Louis Composting has been the region’s leading producer of nature’s ultimate renewable resource. We supply hobbyists and profess

ionals alike with top quality compost, topsoil and soil blends and a variety of mulches while simultaneously reducing landfill waste across the metro area. We manufacture a custom soil blends to meet your specifications. We specialize in professional container growing media and planting soils, rain gardens and bioswale mixes, as well as green roof growing media. Additionally, we offer a number of landscape mulches including the earth-friendly and long-lasting color enhanced mulches, oak bark and cedar mulches, playground and pathway mulches as well as leaf mulch and black forest mulch. http://stlcompost.com/products-pricing/

This Sunday, June 7th will be the last Sunday our Valley Park location is open for the season. ☀️🌱Stop by this weekend f...
06/05/2026

This Sunday, June 7th will be the last Sunday our Valley Park location is open for the season. ☀️🌱

Stop by this weekend for compost, mulch, soil blends, and more before Sunday hours wrap up!

Summer heat can put extra stress on plants, Especially during long dry stretches. From deep watering to proper mulch pla...
06/04/2026

Summer heat can put extra stress on plants, Especially during long dry stretches. From deep watering to proper mulch placement, these simple tips can help your garden stay healthier all season.

Swipe through for easy ways to beat the heat and support stronger plants ☀️🌱💧

It is NOT too late to get in on this! 🙌 You still have until this Sunday, May 31st at 11:59 PM to enter our “Feed the So...
05/29/2026

It is NOT too late to get in on this! 🙌

You still have until this Sunday, May 31st at 11:59 PM to enter our “Feed the Soil” Challenge.

Whether your garden is fully blooming or just getting started, show us a photo for a chance to win a $50 gift card to .stl plus a $10 coupon just for sharing!

Here is how to enter before the clock strikes midnight on Sunday:

1️⃣ Post your garden photo to your feed.
2️⃣ Tag and .stl.
3️⃣ Use hashtags and .
⚠️ Got a private account? We won’t be able to see your entry! If you want to play along, just shoot us a DM with a screenshot of your post so we can make sure you’re counted.

Limit one $10 coupon per customer (valid for in-person pickup only, min. purchase 1 cu yd or 4 bags). Winner drawn 6/2/26. Full details at stlcompost.com/ICAW.

Today we are celebrating a major milestone and saying a bittersweet farewell to Alex! After 16 incredible years, today m...
05/29/2026

Today we are celebrating a major milestone and saying a bittersweet farewell to Alex! After 16 incredible years, today marks his last day with the team.

Alex, thank you for your incredible dedication, hard work, and leadership over nearly two decades. You have left a lasting impact here, and you will be greatly missed by everyone.

Please join us in thanking Alex for his years of service and wishing him the absolute best in his new role! 🚀🎉

05/28/2026

Our Troy site is closing at 12:30 today, 5/28. We apologize for any inconvenience.

Send a message to learn more

St. Louis Composting honors and remembers those who served and sacrificed for our country. Wishing everyone a safe holid...
05/21/2026

St. Louis Composting honors and remembers those who served and sacrificed for our country. Wishing everyone a safe holiday weekend. 🇺🇸

Our locations will be close Sunday 5/24 and Monday 5/25.

So excited to see how this project is turning out! 😍
05/20/2026

So excited to see how this project is turning out! 😍

Address

39 Old Elam Avenue
Valley Park, MO
63088

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm
Saturday 7am - 3pm

Telephone

(636) 861-3344

Alerts

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