The Andersons Dirt Booster All-Natural Super Compost Starter and Soil Amendment - 20 lb. covers 6,000 sqft.
The Andersons Dirt Booster All-Natural Super Compost Starter and Soil Amendment - 20 lb. covers 6,000 sqft.
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The Andersons Dirt Booster All-Natural Super Compost Starter and Soil Amendment - 20 lb. covers 6,000 sqft.

Key item features

  • Natural Composition: An all-natural compost starter and soil amendment, formulated with biochar, humic acid, corn distillates, molasses, and kelp.
  • Rapid Composting: Accelerates composting significantly, producing rich garden compost in just 7 to 12 days, much faster than traditional methods.
  • Soil Enrichment: Increases and nourishes beneficial microbes, bacteria, and fungi in the soil, fostering ideal growing conditions that endure all season.
  • Versatile Application: Can be mixed into garden soil, applied to lawns to boost organic matter, and used independently or with existing fertilizer programs.
  • Enhanced Fertility: Improves soil fertility and nutrient-holding capacity due to its rich content of nutrients and beneficial soil microbes.
  • Broad Coverage: A 20 lb. package effectively covers an area of 6,000 square feet.
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Current price is $64.88
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Sold and shipped by The Andersons
4.461538461538462 stars out of 5, based on 130 seller reviews(4.5)
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Customer ratings & reviews

4.9 out of 5 stars
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242 ratings191 reviews
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Reviews summary

Pros

  • : Formula enables simple application to lawns.
  • : Has a noticeable scent.
  • : Improves soil quality and promotes healthy growth.
  • : Creates rich compost in a short time.
  • : Supports healthy and full plant development.
  • : Effective in various garden areas.
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Showing 1-3 of 191 reviews

Jun 3, 2026
Kerry L.
5 out of 5 stars review

Seller Verified Purchase

ALL I NEED TO KNOW ABOUT DIRT BOOSTER IS WHATEVER DOC FROM HOWTOWITHDOC HAS TO SAY ABOUT IT. I DON'T GARDEN, BUT I DO ENJOY A HEALTHY LAWN. IF I WAS A GARDENER, I WOULD SIMPLY BE USING MORE OF IT. THANK YOU.

Incentivized Review
Review from http://andersonslawn.com
Helpful?3TCKVXBT4WTJ761104175
Apr 18, 2026
Nancy S.
5 out of 5 stars review

I use Dirt Booster Plus+ on my lawn and garden. It has made the soil so healthy and it shows. Not sure if it plays any part in the fact that there are now hundreds of earthworms in my garden (I see them when I plant/transplant) AND in my lawn (I see them when I aerate).

Incentivized Review
Review from http://andersonslawn.com
Helpful?3TCKVXBT4WTJ761104175
Apr 21, 2026
Tyler J.
5 out of 5 stars review

I added Dirt Boost Plus to my lawn program this year and I wish I'd started using it sooner. If you're dealing with hard, compacted clay soil like I am, this stuff is a game changer. Within a few weeks of applying it alongside my fertilizer, I noticed the soil was softer and easier to probe, and my grass was responding better to everything else I was putting down. The blend of humic acid, fulvic acid, and sea kelp is exactly what tired soil needs. It's not a fertilizer — it's a soil conditioner — and that distinction matters. You can throw all the nitrogen in the world at your lawn, but if your soil biology is dead and your nutrient uptake is poor, you're wasting money. Dirt Boost Plus addresses the foundation. It helps your soil actually work the way it's supposed to. Application was simple. The granules are easy to spread and I just mixed it into my regular fertilizer schedule. No issues with clumping or uneven distribution. I used it on both established Bermuda and a bare area I'm prepping for seed, and the difference in soil quality compared to untreated areas was obvious. If you're only buying fertilizer and skipping soil amendments, you're leaving results on the table. Highly recommend.

Incentivized Review
Review from http://andersonslawn.com
Helpful?3TCKVXBT4WTJ761104175