Perlite is better for propagating plants, since it's more lightweight, says Jabbour. However, she uses vermiculite for seed starting, as this mineral is easier to add to the soil surface.

Perlite Is the Secret to Improving Soil Drainage—Here's How to Use It in Your Garden Perlite's properties make it great for soil drainage, aeration, and healthy plant growth.

Like perlite and vermiculite, sphagnum moss has outstanding moisture-retention ability, making it perfect for houseplants and outdoor plants grown in containers.

Moisture retention: The small particles of perlite have tiny pockets that trap water and provide for moisture retention, which is incredibly important when growing plants in any type of container.

There are a whole class of additives, including perlite, that can help create air pockets in your soil. Knowing which to choose, and when to use them, is critical.

Perlite, a natural wonder born from volcanoes, is an inexpensive soil additive that will help your garden plants grow faster and larger. The post How To Garden with Perlite Potting Soil appeared ...

Because perlite is improves soil draining, plants that prefer damp environments (ferns, mosses, certain tropical plants) should not be potted or planted using perlite in the soil mix, says Mcclure.

We spoke with gardening experts to learn the differences between vermiculite and perlite—and how to use each to boost your soil quality.