Perlite 

 Perlite is a heat-expanded volcanic glass used to make potting mixes lighter and more open. It does not feed plants, but it helps roots breathe by improving drainage and air movement. 

Product Overview 

• Product Name: Perlite 

• Category: Soil Conditioners and Growing Media

 • Product Type: Expanded volcanic mineral for aeration and drainage 

• Form / Texture: Lightweight white granules 

• Suitable For: Potting mixes, succulents, seed starting, cuttings, and drainage-sensitive plants 

• Application: Blended into growing media to improve air space

 Why Perlite Is Useful 

• Improves aeration in dense mixes. 

• Reduces risk of waterlogging. 

• Lightweight and sterile when manufactured. 

• Excellent for cuttings and succulents when blended correctly. 

Main Components 

• Expanded volcanic glass. 

• Tiny porous white particles. '

• No meaningful fertilizer value.

 Benefits 

• Keeps potting mix loose. 

• Helps excess water drain away.

 • Supports root oxygen supply. 

• Makes container media lighter. 

Growing and Application Requirements

 • Use enough to improve drainage but not so much that plants dry too fast. 

• Combine with nutrient sources because perlite has little nutrient value. 

• Wet before mixing to reduce dust. 

 • Use coarse grade for larger containers and fine grade for seedlings if needed.

 Usage Instructions

 • Mix 10-30 percent into potting media depending on plant need.

 • Use higher proportions for succulents and cuttings. 

• Blend with cocopeat and compost for balanced media.

 • Water gently after potting because perlite can float to the surface.

 Common Uses

 • Succulent mix • Seed starting • Cuttings • Indoor potting mix • Drainage improvement 

Advantages

 • Excellent aeration.

 • Lightweight. 

• Does not decompose quickly.

 Disadvantages or Limitations 

• Dusty when dry. 

• No nutrition. 

• Can float or separate in very loose mixes.

 Maintenance and Storage Tips

 • Moisten before mixing. 

• Use with cocopeat for both air and moisture.

 • Store bags closed to avoid dust.

 Safety and Precautions 

• Wear a mask when handling dry perlite. 

• Avoid getting dust in eyes.

 • Keep away from strong winds during mixing. 

Best Plants or Situations 

 • Succulents • Cactus • Monstera cuttings • Pothos cuttings • Herbs • Indoor plants 

Useful Facts 

• Perlite and vermiculite look similar to beginners but behave differently. 

• Perlite is mainly for air and drainage; vermiculite is mainly for water holding.

 Summary 

Perlite is a simple but powerful potting-mix ingredient. It prevents many root problems by keeping the medium open, airy, and quick-draining.

 References Consulted 

• University of Maryland Extension - Growing media for containers: https://extension.umd.edu/resource/growing-media-potting-soil-containers/

• NC State Extension - Plants grown in containers: https://content.ces.ncsu.edu/extension-gardener-handbook/18-plants-grown-in-containers

 • Penn State Extension - Propagating houseplants: https://extension.psu.edu/propagating-houseplants