Do not try to bury the aerial roots in the compost, as they may rot. Mist the foliage and aerial roots daily, or stand the pot on a wide saucer filled with gravel, filling the saucer with water to just below the surface of the gravel. After the plant has been exposed to at least 4 weeks of colder conditions and cooler nights, you can expect buds to develop in about 40-50 days. The drop in temperature that typically happens after such rains triggers the flowering of this orchid. Dendrobiums flower between January and March. The long-lasting flowers give off a pleasant fragrance. Orchids can be affected by various viruses. The compactum species flower for eight to twelve weeks. Cut through the rhizomes that join the pseudobulbs, making sure that each division has at least three healthy pseudobulbs. The phalaenopsis species have a flowering period of ten to sixteen weeks. Warm-growing dendrobiums require minimum temperatures of 21-24°C (70-75°F). Use a coarse, bark-based compost, such as a mix of 3 parts medium-grade bark chippings, 1 part perlite and 1 part fine charcoal. Most indoor orchids should be watered every 5 … The Dendrobium Spectabile orchids love a humid atmosphere. The blooms last four to six weeks and are often fragrant. This will need to be removed and re-potted. Orchids have different feeding requirements (see Growing specific indoor orchids section) but are not generally heavy feeders. Because care requirements vary, dendrobiums have been … Propagation from seed requires specialist laboratory equipment, but some orchids can be successfully propagated at home by other means: From plantlets: These appear from the growing points of stems of some Dendrobium, Epidendrum and Phalaenopsis species. Move away from windows during winter. December flowering orchids (18) Dendrobium (3) Dendrobium anosmum (1) Dendrobium aphyllum (1) Dendrobium chrysopterum (1) Dendrobium chrysotoxum (1) Dendrobium densiflorum (1) ... Notice that the flower spike originates near the apex of the stem just … There are many species of dendrobiums but the best known in gardens is the rock lily (Dendrobium speciosum), which is native to the east coast of Australia where specimens grow in large clumps on rocky outcrops in the bush. Orchids generally prefer bright but filtered light. Because there are several branches on a plant, the plant can … Often referred to as “Tree Orchids”, Dendrobiums are not difficult to manage and are best grown in a bushhouse. They can take full sun without shade or can be flowered in shade. The Dendrobium originates from the region between Japan, New Guinea, Australia and South-East Asia as far as New Zealand. Heavy sprays of dendrobium orchids also make a lovely flower arrangement in a vase. When this new pseudobulb has developed, it can produce one or two new branches. The colour and fragrance of the massive number of flowers then attracts bees, which cross-pollinate the orchids. Detach the plantlets when they have developed several good roots, and pot them up in orchid compost. Growing Nobile Type Dendrobium Nobile Dendrobium are probably the easiest to grow. Detach and pot up the plantlets that form from the buds. At this stage, your Dendrobium may also grow a mini-plant, in the shape of a ‘keiki’ or ‘baby’. The ideal temperature for the Dendrobium is 18 to 22 °C. Each type of Orchid Dendrobium blooms in its own time, with the duration of flowering can vary from 2 to 3 months. Older canes will sometimes flower or produce tiny plantlets, called keikis, that can be potted up on their own after they develop roots. Water more sparingly in winter and, for a short time, stop watering to ensure plants get a winter rest. Dendrobuim cunninghamii from New Zealand is the hardiest species, thriving under glass in barely frost-free, airy conditions. 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