Mediums and Amendments Companies

Mediums and Amendments

The modern growing directory's mediums and amendments category includes materials used to grow and support your plants in, such as soil, coco coir, rockwool, clay pebbles, and peat moss, as well as all of the additives you can use to improve the performance of the medium you’ve chosen.

There are many of things that can be added to plants to help them grow big and strong, including organic and synthetic plant nutrients, fertilizers, trace elements and minerals, beneficial bacteria, beneficial fungi, compost, manures, and more.

The type of amendments you’ll need to add to your garden also depend on what type of medium you are growing in. Some mediums, like rockwool and clay pebbles, require a lot of different inputs from the gardener, as these mediums don’t supply nutrients naturally the way soil does.

For help in choosing the right mediums and amendments, just look to the members of this category below and you’ll be well on your way.

S.J. Enterprises was established in 2008 and are the proud manufactures and distributors of the Cyco Platinum Series brand. Our vision is to provide... Learn More
A leading innovator in the field of hydroponics with factories in North America and Europe, General Hydroponics (GH) was founded over 35 years ago by... Learn More
When it comes to indoor gardening, nobody has more experience and knowledge than Hydrofarm. Founded in 1977 and based in Petaluma, California,... Learn More
For 40 years, Grodan has been the global market leader in the supply of a wide range of integrated substrate solutions to professional growers... Learn More
Introduced in 1968, PRO-MIX has always provided commercial growers and consumers with cutting-edge and value-added growing media products. PRO-MIX... Learn More
House & Garden offers complete nutrition for all plants with their cutting edge formulations. The House & Garden nutrients line offers some familiar... Learn More
Welcome to California Soils Inc. We specialize in the production of premium-quality Worm Castings and Soil Amendments for the wholesale market.... Learn More
Elevation Organics is a Colorado based fertilizer manufacturer using only the finest ingredients and placing high standards on the methods used to... Learn More
Red Frog Compost Teas facilities are in the heart of California's Central Coast. Located in San Luis Obispo County, all of Red Frogs products are... Learn More
Sanctuary Soil is a brand of California Soils, the largest producer of organic worm castings in North America. Our 200-plus acre production facility... Learn More
AutoPot Watering Systems USA was formed in May 2012 by Jason Ralph Smith, Giles Gunstone, Jon Grace, Marcel Palm and Paul Milner. Jason is also the... Learn More
As plant cultivation experts, Botanicare is dedicated to providing superior products, expert advice and support to help growers produce better crops.... Learn More
At Char Coir, we know that a clean, high-quality medium is essential for optimal plant growth. Char Coir comes from the highest-grade coco available.... Learn More
Since 1991, Hydro-Organics Wholesale Inc, the makers of Earth Juice, has pleased gardeners around the world. Hydro-Organics Wholesale has been... Learn More
Greenstar Plant Products is a leading wholesale supplier of quality horticultural products to the Canadian market. With a large number of products... Learn More
Growhard Australia, a company dedicated to making indoor gardening possible anywhere since 1991, manufactures and distributes in the Melbourne,... Learn More
Left Coast Garden Wholesale started out as GeoPot more than five years ago. GeoPots are a breathable fabric plant container that air prunes your... Learn More
Power Si is the original patented form of stabilized, bioavalible silicic acid for crops. Unlike other silica products, we work with the best... Learn More
Rose City Wholesale sells hydroponic equipment and indoor gardening supplies. We sell to businesses that use our products as part of their day to day... Learn More
Sun Gro Horticulture was founded in 1929 in Vancouver, British Columbia as the Western Peat Company Ltd. Its initial success as a producer of peat... Learn More

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