Vermiculite
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.
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Canadian Spaghnum Peat Moss
Peat moss is a very stable source of organic material that holds a great deal of water and air and does not decompose quickly. Peat moss is quite acidic (pH 3.5-4.0); limestone is added to the mix to balance the pH. Hyde Park, a Younger, lighter colored peat moss does a better job of providing air space than does older, darker peats that have few large pores for air space.
Hyde Park -
Bumper Crop
Bumper Crop is an organic soil amendment used for preparing or building up beds prior to planting flowers and vegetables. For vegetables & Flowers, spread a 2″ to 3″ layer of Bumper Crop over the surface and work it into the soil to a depth of 6″. Bumper Crop is a blend of sphagnum peat moss, composted hen manure, composted shellfish anddark bark. It is also pH adjusted with lime as needed. This is an all-purpose organic soil builder and top dressing that is especially formulated for vegetable crops, flower gardens and roses. It helps aerate compacted soil, improves moisture retention and provides a healthy environment for soil micro-organisms.
Coast of Maine -
Top soil
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.
Moo Doo -
Perlite
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.
