There are over 1,000 types of Dendrobium orchids and hybrids. They vary in size, bloom color, appearance, and growing requirements. For this reason, it is important that you get detailed care information for your certain type of Dendrobium because the care can greatly vary depending on the type you have.
Dendrobium Water Requirements
A Dendrobium Nobile orchid should be watered in the morning using lukewarm water. Watering frequency – as covered in this article about watering orchids – can be determined by a few different things. The watering schedule for a Den-Nobile greatly depends on the season and its growth cycle. When the plant is actively growing, you should water once a week. In the early fall, you should reduce your watering schedule to help encourage bud growth. In the winter you should only water when you see that the pseudobulbs are beginning to shrivel because this is an indicator that you are not giving the plant enough water.
Dendrobium Light Requirements
Den-Nobile orchids, along with it’s hybrids, grow best with high light intensity. The ideal place for a Den-Nobile is a windowsill with southern light exposure. Remember to not let the orchid receive direct sunlight because this could cause the orchid to get sunburned leaves.
Dendrobium Temperature Requirements
Dendrobium Nobile orchids are cooler growers than the Den-Phals and they require temperatures that are a little lower. While the Den-Nobile orchid is in bloom it does best with nighttime temperatures of 40°F to 50°F (4.4°C to 10°C). Temperatures should not rise above 90°F (32.2°C) or fall below 37°F to 39°F (2.8°C to 3.9°C).
Dendrobium Humidity Requirements
As covered in this “humidity” article on how to care for orchids, Den-Nobile orchids do best with a humidity level of 50-60%. You will want to make sure to maintain good air movement to help prevent orchid disease from setting in.
Dendrobium Fertilizer Requirements
When Den-Nobile orchids are in full growth they should be fertilized regularly. It is important to never fertilize an orchid that is completely dry, because doing so can cause major damage to the roots.
Dendrobium Potting Requirements
Den-Nobile orchids should be repotted every year and a half to two years or once the canes have begun to overgrow the pot or the potting medium remains soggy and no longer drains properly. Only repot the orchid after it has bloomed. Before repotting always trim away the damaged roots with a sterile cutting tool. Den-Nobile orchids can be divided as long as they have 7 or 8 canes. If you were to divide a plant with less than that it would stunt the growth of each division.
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