Quote:
Originally Posted by bukalala
Just curious if den. kingianum could be mounded just on red lava rock if it's growing on the rocks in wild?? Mine I bought in sphagnum and need to repot ASAP as well.
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Most orchid lithophytes (those that grow on rocks) grow with their roots reaching into cracks and crevices where organic detritus collects (and where it is also cooler) Even if some roots are on exposed rock, you can be pretty sure that some are reaching down to moisture and organic matter in cracks. I grow rupiculous Laelias in pots with gravel at the bottom, a thin layer of potting soil about 1/2 to 2/3 of the way up, then finishing with more gravel. That fairly closely mimics that rock-dwelling environment. For a Den. kingianum, though, bark works just fine and is a lot easier.(though I suspect that the "rupiculous" treatment would work)
Den. kingianum on lava rock?
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