Dendrobium Nobile Care Sheet

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Light: Bright to very bright

Dendrobium Nobile orchids enjoy bright light all year round for vigorous growth and lusher blooms. A southern exposure will be ideal, but eastern and western exposures will work as well. In the summertime partially shade them in the hot noon sun, or place them outside under partial shade. Morning and afternoon direct sun will be beneficial. A dark green appearance of the plant reveals too low light levels, while light green foliage and canes mean the orchid is receiving adequate light. In the fall, winter and spring, direct sun can be provided for most part of the day, preferably by adjusting the orchid to the sun gradually in the spring time.

Temperature: 65º F (18º C) to 85º F (30º C) in summer and 50º F (10º C) to 60º F (16º C) in winter

These orchids tolerate high temperatures extremely well, but not for prolonged periods of time. Make sure the orchid is properly hydrated by increasing watering frequency during hot weather. In the winter time, these Dendrobiums need a drop in temperatures in order to initiate buds and blooms. They can be left outside if conditions suit their requirements, but they need to be kept away from freezing conditions.

Water: Just as the medium starts to dry in summer time and scarcely in winter time

During warm weather, when the orchid is usually growing new canes and roots, water as the medium approaches dryness. A sign that the orchid needs water is the formation of wrinkles on the canes. They like a coarse potting medium, so frequency will be determined by temperature and external conditions. Soak really well and then let the pot drain. As the canes mature and stop growing new leaves, usually in fall, watering frequency should be reduced gradually. In the winter time it may be lightly watered once every 3 weeks to a month, just to keep the canes from becoming shriveled.

Humidity: 40%-70%

Dendrobium Nobile orchids don’t have high humidity requirements and can do well even in  hot dry summers, if they are kept hydrated. They enjoy good air movement, so keeping them outside in the warm weather is beneficial.

Other notes:

These orchids can be very hardy, but also tricky to re bloom. If cool temperatures during winter time cannot be provided, chances of blooming this orchid are minimal. Fertilizing with a balanced fertilizer during growth seasons is required for healthy growth and better blooms, but should be completely cut off, usually in early fall, when the orchid stops growing and prepares its winter rest. Feeding can be resumed as the orchid finishes blooming and starts to produce new canes, usually in late winter or early spring.

Feeding high nitrogen fertilizers, especially in winter time, can lead to offshoots production along the canes, instead of flowers, so stop feeding this Dendrobium when canes are mature, usually at the end of August, or the beginning of autumn.

Dendrobium Nobile orchids can have very pleasant fragrances and, if proper conditions are met, they can produce a profuse display of flowers.



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