Specifications : Vermiculite is lightweight, non-toxic, and sterile and does not deteriorate over time. It has a neutral pH. It’s used in the building industry, the car industry, and packaging. For use in horticulture, it’s sold as lightweight, absorbent brown-gold flakes.
Vermiculite can absorb three or four times its weight in water and also attracts various plant nutrients such as potassium, magnesium, and calcium. These qualities make it useful for propagation and for potting up plants that do best in moist compost, including house plants. Vermiculite is sold in bags at the garden center or online. Biological controls are often supplied in a small bag of vermiculite to make them easier to use. It is also used as an anti-caking agent in fertilizers.
Vermiculite helps to aerate the soil while simultaneously retaining water and nutrients, which it then releases over time. Vermiculite is therefore useful in seed sowing and propagation. It can also be added to house plant compost. You may find different grades of vermiculite flakes available – use the finest for seed sowing and the larger sizes for potting on, cuttings, and house plants. Yes. It’s mined around the world according to strict industry protocols. As with any gardening medium, it’s best to wear gloves when handling vermiculite. Store in a cool, dry place away from weed killers and other garden chemicals.