Sunshine Advanced Mix #4
Best high-performance potting mix for gardeners seeking vigorous root development.
Optimize plant health with Sunshine Advanced Mix #4, an expertly formulated potting mix for various uses. This blend combines peat moss and coconut fiber for superior water and nutrient retention, balanced with perlite for excellent aeration and drainage. It fosters strong root development for maximum growth. The mix is bio-active with mycorrhizae to enhance nutrient uptake and includes an organic nutrient package. A wetting agent ensures quick water absorption, and its inert nature allows for custom feeding without risk of burn.
$57.95
Owner Satisfaction
4.7
/ 5
Category Rank
11
/ 1247
#11 in Soil
Price vs Category Average
+14%
Above average
Volume
3.0
/ cubic feet
Who it's for
- Busy planters wanting easy, uniform initial soil hydration
- Gardeners prioritizing healthy root systems and oxygen flow
- Commercial growers needing predictable, uniform plant development
Who should skip it
- Casual hobbyists unable to maintain a strict watering schedule
- Beginners looking for a self-fertilizing, low-maintenance soil
- Small-scale growers with limited storage or budget constraints
Performance breakdown
Root Development
Mycorrhizae integration creates a robust foundation for vigorous plant growth.
Moisture Retention
Coconut coir and peat blend keeps hydration consistent for thirsty plants.
Drainage Efficiency
Perlite content prevents waterlogging while maintaining essential oxygen flow to roots.
Nutrient Flexibility
Inert base allows growers total control over custom feeding schedules.
Ease of Storage
Eco-compressed bales save significant space until you are ready to plant.
pH Stability
Balanced formulation ensures reliable nutrient uptake across a wide variety of species.
Key Specs
Volume
3.0 cubic feet
Is Organic
true
Intended Use
Potting, Flower Bed
Soil Type
Potting Mix, Peat Moss
Primary Amendment
Perlite, Mycorrhizae, Coconut Coir, Peat Moss
Eco-Friendly Feature
Recycled Content Packaging
Drainage Level
Retains Moisture
Packaging Material
Bale (Eco-compressed)
Features
- Retains moisture while improving aeration
- Develops strong, healthy root systems
- Coconut coir for on-demand moisture
- Perlite maintains necessary air space
- No-burning formula prevents nutrient conflicts
- Eco-compressed bales fluff to double volume
- Balanced pH for nutrient availability
- Bio-Active with mycorrhizae
What customers say
Customers consistently praise Sunshine Advanced Mix Number 4 for its exceptional quality and dependable performance. The core strength noted is the perfect balance between drainage and water retention, which directly supports vigorous plant growth and minimizes common problems. Users see this product as a premium choice that reliably yields superior results. This dependability makes it the preferred option for gardeners prioritizing consistent success and straightforward application.
Know before you buy
Each bale is eco-compressed for easier transport and contains 3.0 cubic feet of soil. Once you break the bale open and fluff the contents, it will expand to double its compressed volume.
This mix includes an organic nutrient package to get your plants started. Because it is designed to be inert, you have the flexibility to customize your feeding schedule without worrying about nutrient burn.
Mycorrhizae are beneficial fungi that form a symbiotic relationship with plant roots. They help extend the root system's reach, which significantly improves the plant's ability to absorb water and essential nutrients.
Yes, it is formulated for versatility. The blend of peat moss, coconut coir, and perlite provides the right balance of moisture retention and drainage for both potted indoor plants and outdoor garden beds.
No, the mix includes a wetting agent specifically designed to ensure quick and uniform water absorption. This prevents the common issue of dry spots or water simply running off the surface of the soil.
Coconut coir acts like a sponge to hold moisture on demand, while the perlite creates essential air pockets within the soil. This combination ensures that your plants stay hydrated without their roots sitting in water, which is critical for preventing root rot.
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$58