Miracle-Gro Expand 'n Gro (33 cu. ft.) Review: RecoGuru Analysis & User Insights
In-depth review of the Miracle-Gro Expand 'n Gro Concentrated Planting Mix (33 cu. ft.). Analyzing features, 16,000+ user reviews, pros & cons. Is it worth it? Find out.

Quick Look: At a Glance
- Expansion
- Expands up to 3X
- Fertilizer
- Feeds up to 6 Months
- Water Retention
- Holds up to 50% more water
- Aeration
- Creates up to 90% more air space
- Overall Rating
- (16,000+ ratings) See Breakdown 4.7 / 5
- Price (New)
- $36.92 (Subject to change)
Deep Dive: Features & Specifications
Miracle-Gro Expand 'n Gro Concentrated Planting Mix helps you grow your garden with ease.
- Expands up to 3X: Miracle-Gro Expand 'n Gro Concentrated Planting Mix expands up to 3X when combined with equal parts water.
- Feeds for 6 Months: This expanding planting soil substitute feeds plants for up to 6 months.
- Superior Water Retention: When used with potted plants, this potting medium's all natural fibers hold up to 50% more water than traditional potting mix and release it as plants needs it.
- Improves Soil Aeration: Apply this soil amendment to in-ground gardens to make your soil up to 40% lighter and create up to 90% more air space for plant roots to thrive.
- Bundle Includes: This bundle includes two .33 cu. ft. bags of Miracle-Gro Expand 'n Gro Concentrated Planting Mix; each fills two 12-inch containers or covers 4 sq. ft. of in-ground area.
Product Description: Grow your garden with Miracle-Gro ® Expand 'n Gro ® Concentrated Planting Mix. This planting soil substitute expands up to 3X when combined with equal parts water, and contains fertilizer to feed plants for up to 6 months. Use this gardening product with most plant types as a potting mix for container plants or as a soil amendment for in-ground gardens. All natural fibers hold up to 50% more water than basic potting soil. In addition, it makes soil in gardens up to 40% lighter and creates up to 90% more air space for plant roots to thrive. To use in containers, fill a pot with a drain hole about 1/3 full of mix. Gradually add water and stir. After mix has fully expanded, plant as usual. When using in gardens, spread a 1" layer of planting mix over the area to be planted. Mix with the top 4-6 inches of soil before planting as usual. Water plants thoroughly to finish. This bundle includes two .33 cu. ft. bags of Miracle-Gro ® Expand 'n Gro ® Concentrated Planting Mix; each fills two 12-inch containers or covers 4 sq. ft. of garden area.
User Review Analysis (Based on 16,000+ Reviews)
Based on over 16,000+ customer reviews, here's a breakdown of common themes:
👍The Positive Reviews (82% 5-Star)
- Users report healthy plants and good water drainage.
- Many find it to be their favorite potting mix, retaining water well and helping plants grow.
- It has a nice deep black color full of nutrients.
- Great for both indoor and outdoor planting.
- Plants thrive and grow faster.
👎Common Criticisms
- Some users received molded and old product.
- One user felt it was expensive for dirt.
Pros & Cons Summary
➕Pros
- Expands up to 3X when mixed with water.
- Contains fertilizer for up to 6 months.
- Good moisture retention.
- Improves soil aeration.
- Convenient delivery.
➖Cons
- Some users received molded or old product.
- Expensive compared to regular dirt.
Available Options & Pricing
This review focuses on the Miracle-Gro Expand 'n Gro Concentrated Planting Mix, 33 cu. ft. (ASIN: B0CDNVVMSR). Other options may be available:
- Size: 8 qt., 0.33 cu. Ft (Pack of 2), 2 CF, 1 CF, 16 qt.
- Style: 3 Pack, Planting Mix, 2 Pack
- Buying Options: Typically available 'New' (around $36.92). Prices fluctuate.
Current Availability: In Stock.
Who Should Buy the Miracle-Gro Expand 'n Gro Concentrated Planting Mix, Just Add Water for up to 3X Expansion, for Container and In-Ground Use, 33 cu. ft. Expands up to 1 cu. ft., 2-Pack?
This product is a great fit for:
- Gardeners looking for a convenient and effective planting mix.
- Those who want a mix that retains water well.
- People looking for a mix with added fertilizer.
- Individuals who want a lighter soil for their gardens.
If you are sensitive to mold or require a very specific soil composition, you might want to consider alternatives.
⚖️ The Recoguru Verdict
The Miracle-Gro Expand 'n Gro Concentrated Planting Mix offers a convenient and effective solution for gardeners looking to improve their soil. Its ability to expand, retain water, and provide fertilizer makes it a popular choice.
However, be aware of the potential for receiving a molded or old product, and consider whether the price is justified compared to regular dirt.
Recommended for gardeners looking for a convenient and effective planting mix, especially for those who want to improve water retention and aeration in their soil.
Ready to Make Your Decision?
Check it out for yourself!
🛒 Buy the Miracle-Gro Expand 'n Gro Concentrated Planting Mix, Just Add Water for up to 3X Expansion, for Container and In-Ground Use, 33 cu. ft. Expands up to 1 cu. ft., 2-Pack (0.33 cu. Ft (Pack of 2)) on Amazon