Sun Gro Sunshine Mix
Best professional grade medium for indoor seed starting and container gardening.
This professional-grade medium is the gold standard for indoor growers who prioritize root health and structural strength. The high perlite content guarantees exceptional drainage, though you will need to stay on top of your own feeding schedule since the nutrient load is intentionally kept light.
$48.50
at
Rareagriculturalproducts
Who it's for
- Indoor gardeners seeking a reliable, well-draining medium for sensitive roots
- Serious hobbyists who demand predictable results for their seed starting
- Versatile planters looking for a single solution for various containers
Who should skip it
- Low-maintenance growers who prefer pre-fertilized potting soils
- Forgetful waterers who might struggle with dry soil management
- Budget-conscious gardeners managing very large-scale landscaping projects
Performance breakdown
Drainage Efficiency
High perlite content ensures rapid water movement for sensitive root systems.
Root Development Support
Endomycorrhizae integration actively promotes stronger, more resilient root networks.
Structural Integrity
Silicon additive significantly bolsters stems against drooping and environmental stress.
Aeration Quality
Coarse texture prevents compaction, keeping oxygen accessible to deep roots.
Feeding Flexibility
Low-phosphorus base allows growers to customize nutrient schedules immediately.
Ease of Handling
Large, heavy bag requires significant storage space and physical effort.
Key Specs
Weight
54 lbs
Volume
3 cu ft
Volume
89.77 quarts
Soil Type
Potting Mix
Aeration Level
High
Moisture Retention Level
Medium
Key Ingredients
Canadian Sphagnum Peat Moss, Perlite, Dolomite Lime, Endomycorrhizae, RESiLIENCE®, Wetting Agent
Pre-fertilized
Yes
Beneficial Microbes Added
Yes
Disease Resistance Properties
Yes
Know before you buy
Still have a question?
Ask Metto anything about the Sun Gro Sunshine Mix before you decide.