Cymbidium orchids rank as one of the best known and widely popular of all orchids. The Cymbidium genus consists of about 50 species and thousands of hybrids have been bred from these. The wild varieties of Cymbidium are found growing naturally in China, Japan, the Himalayas, South East Asia and Australia. In habit, they may be terrestrial, epiphytic or lithophytes i.e. growing on rocks. Cymbidium orchids are one of the oldest cultivated orchids, and there is evidence that they were grown in China almost 2500 years ago in records from 500 BC at the time of Confucius. They are one of the easiest orchids to cultivate and flower year after year if they are cared for.

Temperature and Humidity Requirements:

Greenhouses or conservatories are suited for these plants where night temperatures above 46ƒF can be maintained. During autumn, winter and spring, night temperatures should not exceed 55ƒF. They can also be grown at home, but for flower shoots they require cool nights during the spring and summer months. Humidity should be ranging from 50% to 75%.

Air Movement Requirements:

Good air movement is beneficial for growth of Cymbidiums. Ventilation of the greenhouse or a strong fan to circulate the greenhouse air is also beneficial.

Light Requirements:

Strong light at 2500-3000 ft candles is ideal for them. In a greenhouse, 50%-60% shading is needed during the summer months to prevent leaf burn and overheating. During summer, early morning sun is ideal, but shade should be provided against strong sunlight.

Water Requirements:

The plants should not be allowed to dry out and always keep the compost moist. Normally, watering once in a week is sufficient but, during the summer months it is advisable to water twice weekly. It is wise to water in the morning to avoid the possible loss of new growths. If possible, use rainwater.

Fertilizing Requirements:

Use a well-balanced fertilizer throughout spring and summer.

Potting and Dividing:

The best time for repotting and dividing Cymbidiums is between the end of February and until the end of June. Never over pot them. Only do repotting into plant pots where there is enough room for the next year's growth. Do not water for at least three weeks and moisten with a hand-spray just to keep the leaves, bulbs and compost from drying. Start watering when the newly potted divisions start to root.

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