Disa uniflora, the “Pride of Table Mountain”, is the best-known Disa orchid from South Africa. Like the rest of the genus, they need a lot of water, as they grow next to streams in nature. There is usually a pattern of brightly-colored veins in the dorsal sepal. The flowers are roughly triangular in shape, as the three sepals are the most conspicuous part of the flower. Our ‘Pink’ clone has deep pinkish flowers.
To care for them successfully, they must never dry out; water these orchids at least daily. Most people set them in a tray of water. They don’t really like stagnant water, so some orchidists set up a table with water constantly flowing across it, usually fed by an aquarium pump. The roots still like air, however; don’t submerge the pot too deeply, just an inch or so. They like an acidic potting mix suitable for terrestrial orchids. Pure sphagnum moss works well, as does a mix of sand and peat.
Pure water is important. In order to grow Disas well, the water needs to be really clean: a TDS (Total Dissolved Solids) meter should read 200-300ppm (parts per million) even after you’ve added fertilizer.
They like cool temperatures, particularly at the roots; don’t let the roots get above 70°F (21C)
The plant will die back after flowering, and a bunch of stolons will develop into new plants. This is normal. Some people grow them in net pots (plastic baskets) to allow more places for the new plantlets to start. It’s best to repot as soon as you see the new growths emerging, as the potting mix tends to break down quickly with so much water. Usually, the plant is divided with each new growth getting its own pot.
Bright light is best; you can even give them direct sunlight if the roots don’t overheat. Also provide some fans for air circulation if you’re growing them indoors.
Size: BS ( with 1 mature growth and several new growths)
Growing conditions: Intermediate
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