Vermiculite holds water and fertilizer in the potting mix. It also contains calcium and magnesium, and has a near-neutral pH. Vermiculite comes in different grades. Medium grade is usually used for starting seeds. A coarse grade can be used in soil mix for older plants.
Perlite is a volcanic rock that has been heated and expanded to become a lightweight, white material. Perlite is sterile and pH-neutral. When added to a soil mix, perlite can improve air space and water drainage. It is a hard material that does not break apart easily. Perlite pieces create tiny air tunnels, that allow water and air to flow freely to the roots. Perlite will hold from 3 to 4 times its weight in water, yet will not become soggy. Perlite can be used instead of sand to reduce the soil mix weight.
Black Forest is an organic soil builder for roses, shrubs, trees and lawns. A blend of all natural ingredients including sphagnum peat moss, composted hen manure, composted shellfish and dark bark. It is also pH adjusted with lime as needed. A dark, rich soil conditioner designed for planting trees and shrubs. The combination of compost and old bark helps aerate compacted soil and improves drainage.
Coast of Maine
Gardeners Gold Organic Potting Soil
Gardners Gold Organic Potting Soil is perfect for potting all outdoor and indoor container plants! Arguably the finest you have ever tried! It is perfectly suited for houseplants and all general garden planting. A rich, earthy blend made with natural and organic ingredients with a special water saving formula.
Coast of Maine
Tired of topsoil that is mostly sand or mud? MOO DIRT is a completely organic manufactured topsoil that is high in organic matter, compost based, and is the best topsoil available in the marketplace.
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