Scott's Miracle-Gro
Moisture Control Potting Mix
Lowest at Amazon
$15.65 at AmazonLowest at any Popular Retailer
$10.97 at WalmartWhere to Buy
Prices last updated: July 21st 2026 9:20 pm
Pros
- •Specially formulated mix protects against ove and under-watering.
- •Absorbs up to 33% more water than basic potting soil.
- •Feeds plants for up to 6 months.
- •Suitable for indoor and outdoor container plants.
- •Promotes growth of plants up to twice as big compared to unfed plants.
Cons
- •50% of reviews reported infestations of fungus gnats.
- •Some users noted the mix 'holds too much water,' leading to drainage issues.
- •Changes in formula have left it feeling 'heavy and clumpy,' and more like mulch than soil.
- •Contains too much bark, which may be less suitable for certain planting needs.
- •Water reportedly does not soak in properly, sitting on top instead.
Bottom Line
While Miracle-Gro Moisture Control Potting Mix offers benefits like improved water retention and plant growth, it may come with unwanted guests—specifically fungus gnats. Recent changes in the mix's formula have also drawn some criticism for its texture and appearance. If you're considering this potting mix, weigh the watering benefits against potential pest issues.
What Reviewers Are Saying
Criticized
holds too much water10%
infested with fungus gnats50%
not the same anymore20%
heavy and clumpy10%
breeding ground for gnats10%
too much bark10%
water just sits on top10%
closer to mulch than soil10%
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Discussion
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