Specifically designed for indoor gardening, this fine vermiculite is ideal for supporting the healthy growth of your plants, from delicate seedlings to established houseplants. Mushroom Mycelium: Ideal for substrates of delicate mushroom cultures like shiitake or oyster mushrooms, providing a nutrient-rich base.
GARDENWISE Perlite for Plants, Extra 3 qt, Extra-Coarse (Grade 4)
GARDENWISE Extra Coarse Grade 4 Perlite is the ideal solution for improving drainage and soil aeration in all types of gardening. This premium horticultural perlite for plants is perfect for succulents, orchids, cacti, seed starting, and hydroponics.