Terrestrial orchids with pseudobulbs generally prefer a well drained soil with a lot of organic matter. They prefer it the soil is allowed to dry out between waterings. They require more water. Some species prefer to be kept wet all the time while other species prefer moist but not wet dirt.Click to see full answer. Moreover, how do you take care of a ground orchid? Add some fertilizer and compost to the soil you want to plant with a spade. Separate some ground orchid plants from the main group, because ground orchids reproduce when you divide them. Water your ground orchid every five to twelve days, depending on the humidity in the environment. Subsequently, question is, why are my ground orchids not blooming? Like all plants, orchids require sufficient light in order to produce flowers. Insufficient light is the most common cause of failure to re-bloom your orchid. Leaf color indicates if the amount of light is adequate. The lush, rich, dark green of most houseplants is not desirable in orchid leaves. Just so, can ground orchids take full sun? These stunning plants do well in the ground, so they’re well-suited as a bedding plant in very warm environments. They make a striking landscape statement with their tall spikes and almost constant blooms. These plants will grow to 2 feet tall and will tolerate light shade to full sunlight.Are all orchids epiphytes?Approximately 70 percent of all orchids are epiphytes, plants that grow on other plants. Their root systems are not as extensive as those of terrestrial orchids but are highly efficient at quickly absorbing moisture and nutrients. Epiphytic orchids are not parasites; they derive no nutrients directly from their hosts.