Lava Rock, Soil Aggregate for Bonsai, Cactus, Succulents, and Other Container Grown Plants, enables Optimal Drainage, Improves Soil Aeration 1/4 inch Black Lava Rock (2 Quarts Bag)

Lava rock is most commonly known for its exceptional draining characteristics which makes it one of the cornerstones for nearly every bonsai mix. It plays a very important part in your soil mixture. Its porous characteristic allows for air to enter your pot and aerate the root system which is the key to a healthy Bonsai or any other container grown plant. Lava rock is especially important during the rainy season when it rains multiple times a day for a longer period of time.