Dendrobium is Genus of orchid in the family Orchidaceae. There are over 1200 recognised species of Dendrobium orchids and the floral trade has created an abundance of hybrids. Dendrobium orchids grow in a very many different habitats, so it is impossible to generalise their requirements. You can find wild Dendrobium orchids in the Australian outback as well as in an Asian tropical forest and the foothills of the Himalayan mountains. There are tropical rainforest Dendrobium, and species living in deciduous woodland at altitudes over 3000 Metres. To offer correct Dendrobium care, you will need to consider your plant's natural environment. But sometimes information is scarce, or plants can be misidentified. It is important to pay attention to how your plant responds to the conditions in which you are keeping it. Below are some general, and more specific guidelines for looking after Dendrobium orchids as houseplants.
Dendrobium Closterium Care
Dendrobium Closterium
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Humidity
High
Lighting
Full Sun
Temperature
min 16°C
Difficulty
Medium
How to Care for the Plant
Water
The water requirements of dendrobium orchids vary during the year. During active growth of the orchid in the summer, water thoroughly once the potting media is almost dry. Use your finger to monitor the dryness of the potting media, to get an idea of when it needs watered.
Pruning
After your plant has finished flowering, you should trim the flower spikes off close to the cane. Do not cut a cane that has finished flowering, as an individual cane can rebloom the following year, but they also contain a store of energy which the plant can use to grow new canes and vegetative growth, leading to bud and bloom development on a new cane.
Fertilizer
Fertilize your dendrobium orchid with a water-soluble orchid fertilizer every 1-2 weeks. It is better to make the fertilizer up at half the recommended strength and fertilize more frequently, than use a stronger fertilizer less often.
Sunlight
Dendrobium orchids require and tolerate more light than most other commonly cultivated orchids. They are best kept in bright light conditions all year round. In the winter, they can tolerate direct sunlight, but in the heat of the summer, you should limit direct sunlight to a few hours in the early morning or late afternoon.
Temperature
During blooming and active growth phases, from February to September, dendrobium orchids are best kept at warmer temperatures of 65-85 °F (18-30°C), with nighttime temperatures of not less than 54 °F (12 °C).
Container
The potting container must have plenty of drainage holes and should not be excessively large. Dendrobium orchids tolerate being root bound very well, and avoiding excessive potting media around the roots will improve drainage and aeration of the roots.
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