Generally, sphagnum is a good medium for Masdevallias. I like sphag with clay pots - the clay stays moist, which helps to cool the roots. Which species of Masdevallia? Most like to stay on the cool side, but there are some warmer growing ones as well. They do best with good water - RO or DI. The goal is to keep them damp, but with air... they are epiphytes, mostly from a cloud forest environment. Note that for most of these (except for the relatively few lower elevation species) that the challenge isn't low temps (most are fine a few degrees above freezing) but summer highs. With a lot of trial and error, I have found a fair number of species that tolerate my conditions, but the best Masdie growers in California are mostly in the Central Coast and San Francisco areas, and also a few microclimates around San Diego like Point Loma, areas where summers are a little cooler.
The Anacheilium looks like it is potted in coconut fiber. Which species? Again, you need to know the habitat of the particular species to get it the right conditions. These do tend to grow a little more moist than some other members of the Cattleya tribe, but still need to dry out between waterings. But some are more tropical, others come from higher elevation and can grow cooler. So it is important to get down into the details. Note that Anacheillium has been lumped into the genus Prosthechea, which helps to know if you have trouble finding info on the species under the original genus,
Last edited by Roberta; 03-11-2022 at 12:13 AM..
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