3/8"- 1/4" Black Natural Cascade Mountain Volcanic Lava rock for use in soil mixes for Bonsai, Succulents, Cactus, hydroponics and soil mixes for specialty nursery plants. Also for top dressing bonsai and terrariums.
Pleasing black color. This lava is very hard and absorbs less water than our reddish-gray lava listing. Neutral PH, doesn't rot, all natural, relatively light weight and porous. First photo shows our 3/8" - 1/4" black lava dry and the second photo shows the lava wet.
Available in 15 ounces, 10 cups, 5 quarts, and 3.5 gallons. 15 ounces quantities are shipped First Class, all other quantities are shipped Priority Mail.
Scenic Hill Farm is a licensed Oregon nursery -- license # L0170090NG