Small Red Lava Rock rugged-square-succulent-pot These terrestrial orchids like a

These terrestrial orchids like a free draining mix that is slightly acidic

MSU Orchid Fertilizer granular - RO/Rain/Tap Water is 13-3-15 8Ca-2Mg

Ammoniacal Nitrogen 2

All Natural - 100% Organic

mosquitoes and black flies

Small Red Lava Rock rugged-square-succulent-pot These terrestrial orchids like aSmall lava rock is an excellent mix ammendment. Many times if you get a Dendrobium from Hawaii you will notice that it has been potted in either black or red volcanic rock. This lava rock has good water retention with excellent aeration. Because it is inorganic, it will not break down and orchids that resent repotting can be left in their mix longer. Particle size is about 1 8 to 1 4 inch. Volcanic lava rock is an excellent base for an inorganic rock