18LB Lava Rocks for Plants - 3/8" Volcanic Rock for Succulents & Orchids
Volcanic lava rocks with 3/8" size, pre-washed for reduced dust. Improves drainage and aeration for moisture-sensitive plants; use as pot bottom layer or mixed with soil. Customer note: rinse if dust appears during shipping
Highlights
- porous volcanic structure for rapid water flow
- reduce risk of root rot in moisture-sensitive plants
- layer at pot bottoms or mix with soil (20% ratio)
Pros
- 3/8 inch volcanic rocks with high porosity
- pre-washed to minimize dust
- improves drainage and aeration
Cons
- natural texture may cause slight particles during shipping
Best For
Features
- Carefully sorted 3-8" (5-10mm) lava rocks pre-washed to minimize dust
- Porous volcanic structure enables rapid water flow and oxygen delivery
- Benefits moisture-sensitive plants by helping prevent root rot in well-drained mixes
- Use as potting amendment or layer at pot bottoms, recommended 20% soil mix
- Suitable for succulents, cacti, orchids and bonsai as decorative top dressing
