SunGro Horticulture Sunshine Advanced Mix
Best professional grade growing medium for serious indoor gardeners.
This professional-grade medium takes the guesswork out of container gardening by balancing moisture retention with exceptional drainage. While it lacks the raw simplicity of basic potting soil, the addition of beneficial mycorrhizae and silicon creates a robust, stress-resistant foundation that helps your plants thrive with noticeably less fuss.
$46.75
at
HTG Supply / SimplyHydro (HTG Supply network)
Who it's for
- Indoor gardeners seeking healthy root development and moisture control
- Organic growers prioritizing sustainable and chemical-free cultivation methods
- Serious hobbyists wanting commercial-quality results in their home gardens
Who should skip it
- Budget-conscious shoppers looking for basic, low-cost growing mediums
- Low-maintenance gardeners who prefer soil with long-term built-in fertilizers
- Casual buyers who prefer the convenience of big-box hardware stores
Performance breakdown
Root Development Support
Endomycorrhizae inoculation significantly boosts root system establishment and nutrient uptake efficiency.
Drainage and Aeration
Perlite and coir blend prevents compaction while maintaining ideal oxygen levels.
Stress Resilience
Proprietary silicon amendment fortifies cell walls against environmental and heat stress.
Versatility
Adapts seamlessly from indoor houseplants to demanding outdoor raised vegetable beds.
Organic Compliance
OMRI listing ensures strict adherence to high-standard organic gardening requirements.
Moisture Retention
Peat base offers reliable hydration without becoming waterlogged or overly dense.
Key Specs
Weight
75 lbs
Volume
3 cubic feet
Volume
89.77 quarts
Dimensions
19.5 x 4 x 35 inches
OMRI Listed
Yes
Organic Certified
Yes
Moisture Retention Level
Medium
Drainage Level
Fast Draining
Aeration Level
High
Beneficial Microbes Added
Yes
Know before you buy
Still have a question?
Ask Metto anything about the SunGro Horticulture Sunshine Advanced Mix before you decide.