Dendrobium calamiforme is a compact, botanical orchid loved by collectors for its fine, reed-like growth and elegant blooms. The species is immediately striking for its slender shoots densely studded with narrow leaves and for the subtle flowers that appear along the stems. Within collections, this species is appreciated for its natural appearance and the refined build characteristic of many Asian Dendrobium species.
Origin
Dendrobium calamiforme is native to parts of Southeast Asia. The species grows there as an epiphyte on tree branches in tropical and subtropical forests. In these habitats, warm temperatures, high humidity and a distinct alternation between wet and slightly drier periods prevail.
The plants often grow on thin branches or in open forest structures where light is filtered through the canopy. Roots attach to bark and other natural surfaces, while rainwater and humidity provide needed hydration.
Features
Dendrobium calamiforme forms long, thin shoots that have a slightly reed-like appearance. The stems are narrow and upright growing and bear small, narrow leaves that are close along the shoot. This creates an elegant and airy plant structure.
Flowers usually appear along the older shoots. They are relatively small but graceful in shape. The color usually ranges from white to pale yellow or cream, often with subtle hues in the center of the flower. When several flowers open simultaneously, a delicate bloom is created that fits well with the natural appearance of this species.
Because of its slender growth and compact root system, Dendrobium calamiforme remains a relatively small orchid, making it suitable for collectors who want to keep several botanical species side by side.
Care
Light
Dendrobium calamiforme grows best in bright, indirect light. A bright location without direct midday sunlight encourages healthy growth and promotes flowering.
Temperature
This species is most comfortable at temperatures between about 18 and 28 °C (68 and 86 °F). A slight drop in temperature at night can stimulate the development of flower buds.
Substrate
Use an aerated orchid substrate based on fine to medium bark. This provides adequate ventilation around the roots and prevents the substrate from staying wet for too long.
Humidity
Humidity between 50 and 70 percent is usually sufficient. In drier areas, extra humidity can help keep the plant more vital.
Watering
During the active growing period, the substrate may remain slightly moist. Allow it to dry slightly in between watering before re-watering. Preferably use demineralized water or rainwater.
Feeding
During the growing period, a slightly diluted orchid nutrition may be administered regularly. During the winter months, feeding may be reduced.
Flowering
Flowers often appear along older shoots that are fully mature. A combination of adequate light and a slight drop in temperature between day and night can encourage flowering. When the plant is well established, Dendrobium calamiforme may flower annually.
