Used to improve the drainage and aeration of any growing medium, perlite is a lightweight, expanded volcanic rock. Its high porosity also makes it suitable for rooting cuttings. Wet before using to prevent airborne dust.
Used to improve the drainage and aeration of any growing medium, perlite is a lightweight, expanded volcanic rock. Its high porosity also makes it suitable for rooting cuttings. Wet before using to prevent airborne dust.