What is perlite used for?
While it does also help retain some water, perlite is primarily used to aerate compost. It excellent for creating a free-draining potting compost for plants that need good drainage, such as cacti and succulents. It can also help create an airy compost for seedlings.
What is perlite made of?
Perlite is made from a mined volcanic glass of the same name. As a raw material it contains water, trapped by the rapid cooling of lava. The moisture vaporizes explosively when heat is applied.
What are the disadvantages of perlite?
Cons:
- Water can drain away quickly. …
- Being so lightweight, perlite can be blown away and tends to float in excess water.
- Nonrenewable resource. …
- Dust can create respiratory problems and eye irritation.
Should I add perlite to my soil?
Perlite is a highly useful component of gardening for many reasons: It is physically stable and retains its shape, even in heavy or saturated soil. It doesn’t decompose, so it’s ideal for use in potting mixes for plants that are repotted infrequently (such as succulents and other houseplants).
Is perlite just Styrofoam?
The white, foam-like balls in your potting soil are there to help keep soil loose and aerated, but they are most commonly made from a naturally occurring volcanic glass known as perlite.
How much perlite should I mix with my soil?
For container gardens, potted plants and raised beds, use up to 1/3 perlite per container. Succulents and orchids especially love perlite, and their potting soil can be mixed with half or even more perlite depending on the species. Perlite is also good for your lawn and promotes root growth.
Where can i buy perlite in Namibia?
It is available at AgriTurf Namibia, Agri-Glo Namibia and Ecosun Namibia.