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

    2 days ago · 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 their …

  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 true in raised beds …

  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 when …

  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 volcanic …

  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 cools and …

  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 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 obsidian. …

  8. 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 pops, …

  9. Perlite: The Lightweight Mineral with Many Uses - | Green Thumb Daily

    Jul 3, 2025 · Beyond your backyard, perlite’s porous structure shines in unexpected places. Construction crews mix it into lightweight concrete, while factories use it to filter beverages. Its versatility stems …

  10. What Is Perlite Used For? A Comprehensive Guide

    Dec 14, 2025 · Perlite is a naturally occurring volcanic glass that has been used for decades in a variety of applications. It is a popular horticultural growing medium due to its ability to retain moisture and …