Cymbidium dayanum orchid is native to Assam India, eastern Himalayas, Sikkim, Thailand, Cambodia, China, Vietnam , Borneo, Malaysia, the Philippines, Sulawesi, Sumatra, Taiwan, Ryukyu Islands and Japan. It grows in places where exposed to the sun , or in places where there is a lot of light and without direct sun.
Cymbidium dayanum orchid, also called as Day's Cymbidium, is a species of the genus Cymbidium. Several synonyms are know for this species such as: "Cymbidium acutum Ridl. 1896'; "Cymbidium aestivum Z.J.Liu & S.C.Chen 2004"; "Cymbidium alborubens Makino 1902"; "Cymbidium angustifolium Ames & C.Schweinf. 1920"; "Cymbidium dayanum subsp. leachianum (Rchb.f.) S.S.Ying 1989"; "Cymbidium dayanum var. albiflorum S.S.Ying 1995"; "Cymbidium dayanum var. austrojaponicum Tuyama 1941"; "Cymbidium eburneum var. austrojaponicum (Tuyama) M.Hiroe 1971"; "Cymbidium eburneum Lindley var dayanum Hkr. f. 1891"; "Cymbidium leachianum Rchb.f. 1878"; "Cymbidium poilanei Gagnep. 1931"; "Cymbidium pulcherrimum Sander 1891"; "Cymbidium simonsianum King & Pantl. 1895"; "Cymbidium simonsianum f. vernale Makino 1912"; "Cymbidium sutepense Rolfe ex Downie 1925". This species was first described by Heinrich Gustav Reichenbach in 1869.
IDENTIFY CYMBIDIUM DAYANUM ORCHID
This species is native to Assam India, eastern Himalayas, Sikkim, Thailand, Cambodia, China, Vietnam , Borneo, Malaysia, the Philippines, Sulawesi, Sumatra, Taiwan, Ryukyu Islands and Japan. In Thailand, they were encountered in northern mountain areas near Chiengmai at an altitude of 1100 - 1600 m. In Malaysia they were met in various places at heights of 150 - 1200 m, and in eastern and south-eastern Thailand at an altitude of 800 - 1200 m. In China they grow on trees in rare forests or on cliffs along ravines at altitudes of 300 - 1600 m, in the south of Fujian, in Guangdong, Hainan, Guangxi, Yunnan and Taiwan. They are found in many provinces of Sumatra at heights of 600 - 1500m, where they usually grow low on tree branches or on steep slopes. In the Philippines, these orchids meet on the island of Luzon in the provinces of Benquet, Mountain Province and Nueva Vizcaya. They grow there as orchids, but they also meet in the hollows of tree trunks, at heights of 300 - 1800m.
It grows in places where exposed to the sun , or in places where there is a lot of light and without direct sun. They have at all times, a strong aeration. It lives in areas where humidity is very high in summer and early fall, reaching 85% humidity, although between late winter and early spring , it drops considerably reaching only 65% (coinciding with the dry season). This orchid lives in areas where there are two distinctly differentiated seasons: the rainy and the dry. In the rainy season, which corresponds from late spring and autumn and the dry season, which runs from winter to early spring.
Day's Cymbidium is a medium sized, hot to cool growing epiphytic or terrestrial species, with indistinct, strongly compressed-ellipsoid pseudobulbs enveloped by scarious, persistent leaf bases and cataphylls and carrying 5 to 12, distichous, narrow-linear, dark green, slightly leathery, pale green, acute to acuminate, sessile (no petiole) leaves with the articulation 1.2 to 2.4" away from the base that blooms in the summer and fall on a basal, erect to pendant, several (5 to 15) flowered, 9" (22.5 cm) long, racemose scape subtended with pink veined sheaths and triangular, acute, purplish floral bracts and carrying mostly non-fragrant flowers, and needs even year round conditions.
GROW AND CARE CYMBIDIUM DAYANUM ORCHID
This orchid is relatively difficult to plant, easy to die. It needs to water a lot. So plant it in small pots and do not let the substrate dry.
Light:
The plants requires about 30000 - 40000 lux. The level of light should be as high as possible, avoiding only the direct southern sun that can burn the leaves, especially when the light level rises sharply. Strong air movement should be ensured all the time.
Temperature:
The average temperature of the summer day is 23-25 ° C, the night 16-17 ° C, and the daily difference is 6-9 ° C. The average temperature of the spring day is 27-28 ° C, the night 10-16 ° C, and the daily difference drops from 18 to 11 ° C. They can tolerate short frosts but it is not recommended. They thrive very well in environments where there is a great difference in temperature between day and night.
Humidity:
In the summer and early autumn, the humidity is 80-85%, and at the end of winter and early spring it drops slowly to 60-65%. Increase environmental humidity with humidifiers, for example, or by spraying daily, but be careful not to wet the flowers.
Cultivate and growing medium:
Because flower shoots can be straightened or bent to hanging ones, these plants are easier to grow mounted on washers made of uneven bark or in hanging pots or baskets. As a substrate, it is recommended to use fine or medium bark mixed with moisture retention additives, such as perlite or cut sphagnum moss.
Watering:
Cultivated plants should be abundantly watered every 2-3 days from the end of spring and in the summer months until September, but excellent drainage should be ensured, and the base around the roots can never be soggy or stale. In autumn, the amount of water should be limited. During the winter months, water once a week and never when it rains or is about to rain.
Fertilizer:
It is recommended to apply 1/2 - 3/4 doses of fertilizer for orchids every week in the growing season. Many breeders prefer the use of sustainable fertilizer throughout the year; others use high-nitrogen fertilizer from spring to mid-summer, and then high-phosphoric fertilizer until the end of autumn.
Repotting:
Every 2, 3 or 4 years and should be carried out when new roots start to grow at the end of winter, as long as the plants do not have flowering shoots or immediately after flowering.
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