I've grown Dichaea spp. before. All of them seem to have very similar habits. They have a pendulous growth habit. They love water (more so than Pleurothallis spp.). And they like moderate to high air movement around the roots. It is natural to experience some leaf loss along the stems, but not so rapidly the plant can't keep up. Dichaeas grow moderately slow, but fast enough to see growth. They also establish themselves moderately slow. Many Dichaeas grow intermediate to warm favoring intermediate conditions, (Dichaea glauca grows more intermediate). Constant moderate to high humidity of 60%-100% is preferred. Roots grow mostly from the base of the plant, but they can grow roots from the leaf axils and along each node of the bare stem as well. Light ranges from deep shade to bright shade.
For me, I've found that they grow well mounted on a tree fern fiber mount with moss around the roots and bare stems. I water my Dichaea sp. everyday, only allowing the moss to remain a bit damp before watering again. Never allow the medium to dry out completely. I've had one of the roots on my Dichaea sp shrivel up when the medium dried out completely for two days, luckily it plumped back up after catching that and watering heavily again.
One flower blooms from each leaf axil along the stem. Flowers do not last long and I've found that they are not as floriferous as many Pleurothallis spp. The only experience I've had with a Dichaea spp. plant blooming for me is Dichaea pendula, where the flower bloomed in the morning and started withering by around noon.
Dichaeas are also prone to rot because of how wet they grow, so be on the watch and act quickly.
Unfortunately, Dichaeas are for people that have the time, patience, and knowledge to grow.
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