Perlite for Gardening: Benefits and Uses

Perlite is a volcanic soil amendment, expanded at high temperatures to create a light, porous substrate. Coming from siliceous volcanic rock, it is heat treated at around 900°C, which gives it a unique airy structure. Used in horticulture to improve soil drainage and aeration, perlite promotes healthy root growth and prevents diseases caused by excess moisture.

What is perlite used for?

Perlite is particularly appreciated in gardening for its multiple uses. It is ideal for:

• Improve drainage of heavy soils.
• Increase aeration around plant roots.
• Facilitate seed germination by providing a light medium.
• Mix with other substrates to create balanced potting soils.

Benefits of Perlite

Gardeners choose perlite for its many benefits:

• Lightweight : Easy to handle and reduces soil compaction.
• Porosity : Improves air exchange and water flow, essential for root health.
• Neutral : neutral pH, does not modify the acidity of the soil.
• Sterile : Free of diseases, weeds and pests.

Disadvantages and precautions

Despite its advantages, perlite has some disadvantages:

• May be dusty , requiring mask to be worn when handling to avoid inhalation.
• Its lightness can be a disadvantage in pots exposed to the wind.

Caution : Always moisten perlite before use to reduce dust. Wear gloves and a mask to avoid direct contact with the skin and respiratory tract.

Incorporate perlite into your gardening practice for healthier plants and more balanced soil. Visit our store to discover our range of high quality substrate, suitable for all your horticultural needs.