ROCK, LANDSCAPING: As Potting Medium

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 8 years ago.

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Various forms have been used, especially lightweight lava aggregates used in the manufacture of concrete products; similar products go under different names such as Holite, Solite, Herculite; they need to be fertilized with a 1-1-1 ratio feed; water well, then let them dry. A87-1171
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ROCK: As Potting Medium Crushed rock, sized according to the size of the plant, from roofing gravel up to about 1.5 inches; after a few years repotting is necessary because the spaces between the rocks become full of roots; in Hawaii. P66(4)-4 0

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