So, now that you know the similarities and differences of vermiculite vs. perlite, how do you know when to pick either one? Vermiculite has fine particles that could be problematic for people with allergies and respiratory problems. Disadvantages. It’s hard to tell just by looking at it. It’s just a matter of assessing your goals and needs. Like perlite, vermiculite is naturally sterile, so it won't harbor plant diseases. Which would you … By what technique may I grasp whether it’s Zonolite from Libby? Use Perlite When: Perlite consists of white particles that float to the top of the pot during watering causing an unpleasant appearance. Vermiculite and perlite are minerals, as indicated by their –ite suffixes. Both are odorless, sterile, disease-free, insect-free, and seed-free. Vermiculite retains water and nutrients, which helps support seed growth. Perlite and vermiculite are both lightweight sand substitutes for soilless potting mixes which are often used to improve aeration and texture in potting soil and garden soil mixtures. They both perform fine in cultivating seeds or propagating new plants, but each does have a strength regarding both tasks. Neither medium will rot, deteriorate, or decompose. Common Traits of Perlite and Vermiculite. Vermiculite vs. Perlite: When to Pick Each One . My home insurance looks like vermiculite. It comes in a variety of sizes, but the larger particles are commonly used in the garden because they add more aeration to the soil. For Vegetables Remember that each serves a purpose in the garden, so one isn’t necessarily bad. The more neutral pH of vermiculite, which falls between 6.5 … admin2132131 — April 6, 2020 add comment. Alternatives to Vermiculite & Perlite. Their differences lie in their origins and uses. Let's look at the two main horticultural uses for vermiculite and perlite. Perlite vs Vermiculite for 3 Vegetable Crops. Are Perlite and Vermiculite Safe for Growing Vegetables? Hey all. There is evidence to suggest that utilising a mix of both perlite and vermiculite is beneficial to the growth of fruit and vegetables. Close • Posted by 5 minutes ago. I bought perlite for my potting mix... but now I'm wondering if I should have gotten vermiculite. Planting some new vegetables this season. Perlite is better for when you need the soil to drain out the water completely before the next watering. Perlite vs Vermiculite for 3 Vegetable Crops.