Comparison: Best Miracle Gro Performance Organics Container Mix (Updated | Nov 11th)

All packs contain the same organic formula with aged compost, OMRI‑listed ingredients, and up to three months of nutrition. The main distinction is quantity: a single bag (usually 6 qt or 16 qt) versus multi‑packs that bundle two, three or five bags for larger projects or bulk savings. Multi‑packs often have a lower price‑per‑quart but require more upfront storage space.

Performance Organics is designed for both indoor and outdoor containers and promises up to twice the harvest of unfed plants, while the Outdoor Potting Mix focuses on outdoor use with a quick‑release natural fertilizer lasting about two months. Performance Organics uses aged compost as its base, whereas the Outdoor mix relies on responsibly sourced peat. Both are OMRI‑listed, but Performance Organics emphasizes higher yields and longer nutrition.

The 16 qt bag provides a lower cost per quart, making it more economical for gardeners with multiple containers or larger beds. However, the 6 qt size is convenient for limited storage or trial runs, and its price difference is often modest. Choose the size that matches your planting volume and storage capacity.

Yes, certain Performance Organics products are not available for sale in California due to state regulations on organic soil amendments. When shopping, verify the listing mentions “Not available in CA” or “Only available in California” to avoid ordering a product you cannot receive. The standard Organic Outdoor Potting Mix is generally available nationwide.

Both the Performance Organics and Organic Outdoor mixes provide continuous nutrition for up to three months (Performance Organics) or two months (Outdoor mix). After this period, plant vigor may decline, so consider top‑dressing with a balanced organic fertilizer or refreshing the soil mix. Monitoring plant growth will help you decide the exact timing.

The mix is formulated for a wide range of vegetables, herbs, annual flowers, and perennials, making it versatile for both edible and ornamental gardening. Its balanced nutrients support fast‑growing crops like tomatoes and lettuce, as well as longer‑lasting plants such as roses and lavender. Use it for any container‑grown plant that benefits from organic, nutrient‑rich soil.

OMRI (Organic Materials Review Institute) certification ensures the product meets strict organic standards, meaning it contains no prohibited synthetic chemicals. This is important for gardeners who follow organic practices, want to avoid residue buildup, or are growing food for organic certification. It also reassures consumers about the environmental safety of the mix.

Generally, the 3‑pack or 5‑pack bundles of Performance Organics provide the lowest cost per quart, especially when compared to single‑bag purchases. For example, a 5‑pack of 6 qt bags yields 30 qt of soil at a reduced per‑quart price, ideal for extensive planting. Always compare the listed price per unit weight on the product page to confirm the best deal.