Vermiculite
What is Vermiculite
Vermiculite is a naturally occurring non-toxic Magnesium Alumino Silicate mineral, when heated at a controlled rate, it expands to give a sterile structure, capable of absorbing large amounts of water.
Read more about vermiculite
at Gardening Know How.
Benefits
- Ideal for seed germination, pricking out and houseplant compost.
- Absorbs and holds nutrients.
- Ensures moisture is held near the roots.
- An excellent insulator, it reduces the fluctuations of temperature when used as a seed covering.










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