Uni-Gro Horticultural Sand
Best soil amendment for gardeners improving drainage and plant stability.
This washed silica sand is the secret to fixing heavy, compacted soil while providing the structural support your succulents crave. It lacks the bulk of heavy-duty amendments, but it’s the perfect precision tool for improving drainage and adding a clean, professional finish to your indoor planters.
$7.99
at
Armstrong Garden Centers (Shop)
More Horticultural Sand options
Who it's for
- Gardeners struggling with waterlogged soil and root rot
- Indoor growers working with dense or clay-heavy potting soil
- Succulent and bonsai enthusiasts creating custom drainage-focused soil mixes
Who should skip it
- Novice gardeners who prefer low-maintenance, pre-mixed soil solutions
- Container gardeners needing lightweight, easily movable plant pots
- Beginners looking for nutrient-rich soil amendments for faster growth
Performance breakdown
Drainage efficiency
Washed silica composition ensures optimal water flow for sensitive root systems.
Soil aeration
Medium-coarse grain effectively breaks up compaction to promote healthy root respiration.
Decorative versatility
Natural tan aesthetic provides a clean, professional finish for indoor planters.
Rooting support
Provides the necessary stability and grit for successful succulent propagation.
Packaging convenience
Small quart-sized bag is perfect for hobbyists but limits larger projects.
Purity level
High silica content minimizes impurities for a clean, reliable soil amendment.
Key Specs
Packaging Size
1 quart
Color
Natural tan
Weight
5.0 pounds
Volume
0.05 cubic feet
Grain Size Category
Medium, Coarse
Intended Application
Top dressing
Sand Composition Type
Washed sand
Silica Content
95.0%
Moisture Content
0.5%
Organic Matter
0.1%
Know before you buy
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Ask Metto anything about the Uni-Gro Horticultural Sand before you decide.
