Vermiculite is a naturally occurring aluminum-silicate material. In preparation for horticultural uses, vermiculite flakes are mined and heated at high temperatures to form a worm-like shape. With a neutral pH and the ability to retain moisture, vermiculite can make a good addition to a potting mix.
- Absorbent: Vermiculite has a greater water-holding capacity than perlite, which is great for promoting moisture retention. Use vermiculite in your garden if you’re growing plants that thrive in moist soil like hydrangeas and ferns.
- Soil aeration: Much like perlite, vermiculite is effective at aerating soil and reducing soil compaction.
- Neutral pH: Like perlite, vermiculite has a neutral pH so it won’t make your soil overly acidic or alkaline.
- Useful for seed starting: Vermiculite can be added to a seed-starting mix along with peat moss to keep seeds moist and assist with germination.
Usage : Horticulture , Potting mix , Hydroponics , Home Gardening
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