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  1. What is Perlite? Uses, Benefits & Common Alternatives

    Oct 6, 2025 · What is Perlite? Perlite is a volcanic stone with a high water content, that starts life as porous volcanic glass. When heated to 1600 degrees F, the rocks expand up to 20 times …

  2. Perlite: What It Is And How To Use It Right - Epic Gardening

    Jun 9, 2023 · Perlite is a natural filtration system, allowing excess water to drain away while retaining a little moisture and catching nutrients that plants need to grow. This is especially …

  3. Perlite - Wikipedia

    Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding …

  4. What Is Perlite? How to Use It in Your Garden - Martha Stewart

    Feb 7, 2025 · What Is Perlite? Perlite is a volcanic glass that is often used in gardening due to its lightweight, porous nature that aids in healthy plant development. "It is made from a type of …

  5. What Exactly Is Perlite? How It Can Benefit Your Plants

    Mar 24, 2025 · Perlite is a naturally occurring volcanic rock mined in many countries including the western United States, China, Greece, and Japan. It forms as molten volcanic lava slowly …

  6. What Is Perlite And How To Use It For Plants – Gardening Naturally

    Oct 1, 2025 · Learn what perlite is, how to use perlite in soil and compost, perlite vs vermiculite, and the benefits of perlite for plants.

  7. What is Perlite? An Introduction to its Properties & Benefits

    Perlite is derived from a naturally occurring volcanic glass known as obsidian. When this glass forms, it traps water within. This trapped water is what transforms obsidian into perlite under …

  8. What Is Perlite and How Is It Used in Gardening? - Live to Plant

    Jul 19, 2025 · Perlite is a naturally occurring volcanic glass that forms when lava cools rapidly. It has a unique chemical composition rich in silica and small amounts of other minerals.

  9. What Is Perlite And How To Use It In Your Garden

    Perlite is a naturally occurring volcanic glass commonly used in gardening. Its lightweight and porous structure promotes healthy plant growth. It is made from a type of volcanic glass called …

  10. What Is Perlite? • Benefits, Uses, And Tips - Family Planting

    Perlite is a naturally occurring volcanic glass that, when subjected to extreme heat, expands and transforms into a lightweight, porous material. This transformation is akin to how popcorn …