Sunshine Horticulture Advanced Mix #4 Sunshine Plant Growth Mix is an ideal choice for both indoor and outdoor gardening. This mix is known for its consistent performance, providing excellent results.
Formulated with earth-friendly ingredients to retain moisture, provide improved root aeration and drainage, and develop strong, healthy root systems for maximum stem, flower, and foliage growth. Peat moss and coconut fiber retain water and nutrients for optimal plant growth, combined with increased perlite to provide excellent drainage.
The organic nutrient package provides a supplemental charge after three to four weeks and the endomycorrhizal blend enhances the ability of plants to access the nutrients in the root zone. This mix also holds up to 30 times its weight in water, keeping it readily available for plant uptake.
Give your plants a chance for optimal root growth and high water retention with the Sunshine Horticulture Advanced Mix #4 Sunshine Plant Growth Mix.
- Plant growth mix features proper pH range to improve nutrient availability
- Organic wetting agent to help soil absorb water quickly and easily
- Multiple strains of mycorhizzae for optimum root colonization, improved nutrient and water uptake, better resistance to stress and disease
- Inert formula accommodates custom feeding practices with no conflicting nutrients or burn risk
- Holds up to 30 times its weight in water, keeping it readily available for plant uptake
- Maintains air space for optimum root growth
- Dimensions (L x W x H): 16.5 x 12.5 x 26.25 inches
- Weight: 61.10 pounds
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What size is the growth mix?
The growth mix measures 16.5 x 12.5 x 26.25 inches (length x width x height). Use these measurements to confirm the product fits your intended setup before ordering.
What is the capacity of the growth mix?
The growth mix has a 3-cubic feet capacity. This makes it a practical size for organizing the items it is designed to hold without taking up excessive room in your space.
Can the growth mix be used indoors and outdoors?
Yes. The growth mix is suitable for both indoor and outdoor use. It can be placed in areas such as patios, decks, garages, mudrooms, or entryways depending on the space and storage needs.
Who makes the growth mix?
The growth mix is made by SunGro Horticulture. SunGro Horticulture produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the growth mix weigh?
The growth mix weighs approximately 61.10 pounds. Use this figure when planning transport, handling, or placement of the item.
What should I know about the growth mix before buying?
The growth mix from SunGro Horticulture brings together a few practical features worth highlighting:
- 3-cubic feet capacity
- indoor and outdoor versatility
Review the product description and specifications to confirm it matches your specific needs before placing your order.


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