Comparison: Best Sungro Black Gold Organic Potting Soil (Updated | Nov 11th)
If you’re on the hunt for a potting soil that truly delivers, you’ve probably come across Sungro Black Gold Organic. But is it really the best out there? Let’s break down what makes Sungro Black Gold stand out—and whether it’s worth your time and money.
- Best for all-purpose organic: SUNGRO HORTICULTURE Black Gold 1302040 16-Quart All Organic Potting Soil
- Best for basic organic mix: Natural & Organic Potting Mix
- Best for premium blend plus: SunGro SUGRBG2 Black Gold Natural & Organic Potting Soil Bag plus Fertilizer
- Best for compact organic duo: Black Gold 1302040 8-Quart All Organic Potting Soil 2 Pack
- Best for large volume organic: Sun Gro SUGRBG2 13020402 Black Gold Natural and Organic Soil
- Best for houseplant ready mix: SunGro Black Gold All Purpose Potting Soil Fertilizer Mix for House Plants
- Best for seedling starter blend: Black Gold Seedling Mix
- Best for african violet soil: SunGro Black Gold Indoor Natural and Organic African Violet Potting Soil Fertilizer Mix for House Plants
Product Comparison: Best Sungro Black Gold Organic Potting Soil
SUNGRO HORTICULTURE Black Gold 1302040 16-Quart All Organic Potting Soil

- Ideal for all container-grown flowers, herbs and vegetables
- Enriched with earthworm castings, perlite, pumice and organic fertilizer
- OMRI listed organic
- 16 quart bag
- Packaging may vary
- Listed by the organic materials review institute for the production of organic food and fiber
- Rich, loamy mix is one of the best for all gardening applications
- Perlite and pumice are added to ensure optimum pore and air space for sturdy growth
- Use in hanging baskets, patio containers, herb gardens, vegetable plantings, and anywhere you would like to use an organic soil
- Regionally formulated, western region only , Packaging may vary
SunGro SUGRBG2 Black Gold Natural & Organic Potting Soil Bag plus Fertilizer, 2 Cubic Feet (2 Pack)

- HIGH QUALITY: Give your plants the best with the Black and Gold Natural and organic potting soil plus fertilizer
- ALL-PURPOSE GARDENING: Rich, loamy mix that is a premium choice for all-purpose gardening applications
- PREMIUM BLEND Perlite and pumice are blended together to ensure optimum aeration
- SIZE: Covers 2 cubic feet | Weight 44.6 lbs | Dimensions: 27 x 18 x 6 inches
- CONTAINS: The 100 percent organic base consists of screened earthworm castings, Canadian sphagnum peat moss, compost and forest humus
Black Gold 1302040 8-Quart All Organic Potting Soil 2 Pack

Sun Gro SUGRBG2 13020402 Black Gold Natural and Organic Soil, 2 Cubic Feet (Premium-New)

SunGro Black Gold All Purpose Potting Soil Fertilizer Mix for House Plants, Vegetables, Herbs and More, 16 Quart Bag (4 Pack)

Black Gold Seedling Mix, 8 quart

- Black Gold Seedling Mix 8qt Listed by the Organic Materials Review Institute for the production of organic food and fiber
- This mix combines double screened Canadian Sphagnum Peat Moss and other fine ingredients to give seedlings the aeration and moisture retention they need for strong development
- This product is made in United States
- Listed by the organic materials review institute for the production of organic food and fiber
- Combines double screened Canadian sphagnum peat moss and other fine ingredients to give seedlings the aeration and moisture retention they need for strong development
- Contains Canadian sphagnum peat moss, perlite, dolomite lime, and an organic wetting agent
- Use for germinating seeds in flats, pots, and plug trays
- 8-Quart
SunGro Black Gold Indoor Natural and Organic African Violet Potting Soil Fertilizer Mix for House Plants, 8 Quart Bag (4 Pack)

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What are the key differences between the 16‑quart and 8‑quart Black Gold potting soils?
The 16‑quart bag (B004NSBN8S) offers more volume for larger projects and typically includes a blend of earthworm castings, perlite, and pumice for improved aeration. The 8‑quart version (B07SQ3HXYY) is more compact, making it easier to store and ideal for small containers or starter pots. Both are OMRI‑listed organic, but the larger size may provide better value per cubic foot.
Is the Black Gold Seedling Mix (B004NSBNAQ) suitable for mature plants?
The Seedling Mix is formulated specifically for young seedlings, emphasizing fine texture, moisture retention, and gentle aeration. While it can be used for mature plants, it lacks the heavier fertilizer content found in the all‑purpose mixes, so larger or fruit‑bearing plants may need supplemental feeding. For long‑term growth, consider switching to the standard Black Gold potting soil after the seedling stage.
How does the SunGro SUGRBG2 (B01DFPZ35I) compare to the standard Black Gold 16‑quart bag?
SUGRBG2 is a larger 2‑cubic‑foot bag (about 44.6 lb) that includes an added fertilizer blend, whereas the 16‑quart bag is a smaller, unfertilized version. Both share the same organic base of earthworm castings, peat moss, and compost, but SUGRBG2’s extra perlite and pumice give superior aeration for heavier planting. If you need a one‑time bulk purchase with built‑in feeding, SUGRBG2 offers better overall value.
What should I look for when choosing an organic potting mix for indoor houseplants?
Indoor plants benefit from a lightweight, well‑draining mix that balances moisture retention with aeration; look for ingredients like perlite, pumice, and peat moss. Black Gold’s indoor‑specific blends (e.g., the African Violet mix B08H8RLTX7) often contain a finer texture and reduced fertilizer to prevent leaf burn. Ensure the product is OMRI‑listed to guarantee it meets organic standards.
Are there any cost‑saving tips when buying Black Gold potting soil?
Purchasing larger bags, such as the 2‑cubic‑foot SUGRBG2, typically reduces the price per cubic foot compared with smaller 8‑quart packs. Look for multi‑pack offers (like the 2‑pack 8‑quart B07SQ3HXYY) which can also lower the unit cost. Additionally, checking for coupons or subscribing to retailer newsletters often yields discounts on bulk orders.
Can I mix different Black Gold products for customized planting needs?
Yes, blending the Seedling Mix with the all‑purpose Black Gold soil can create a medium that offers both fine texture for young roots and added nutrients for mature growth. Adding a small amount of perlite or pumice from the larger mixes can improve drainage for plants prone to root rot. Just be sure to maintain the overall organic composition to keep the mix OMRI‑certified.
What environmental considerations should I keep in mind when selecting potting soil?
Choose OMRI‑listed products like all of the Black Gold lines, which are certified for organic production and have lower synthetic inputs. Look for packaging made from recyclable materials and consider buying in bulk to reduce waste. Some blends incorporate sustainably harvested peat or peat alternatives, which further lessen ecological impact.

