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Caring for Dendrobium Orchids

Caring for Dendrobium Orchids

Dendrobium orchids are called "Phalaenopsis type" because their flowers resemble those of the Phalaenopsis variety. Phalaenopsis type are evergreen, while other varieties of Dendrobiums shed their leaves in the fall and winter.

Dendrobiums are also commonly used as cut flowers because of their sturdy stems and distinctive coloring.

Caring for your Dendrobium Orchid

Temperature: The ideal day temperature is 75-85 degrees Fahrenheit, while the ideal night temperatuire is 60-65 degrees Fahrenheit. Occasional temperature extremes are tolerated if exposure is not prolonged.

Light: These dendrobiums enjoy full morning sun but will require shading between 11am and 3pm - less shading will be needed in late afternoon. An overhead light source is most effective.

Water: Phalaenopsis-type dendrobiums grow best when their potting medium becomes dry between waterings. They are epiphytes in nature, i.e. they grow on trees and are accustomed to becoming fairly dry between the rains of their natural habitat.

Repotting: Repot once every two years in spring after blooming or when new growth starts. A mix of ten parts fine grade Fir bark and 1 part Orchid mix will work well in 6" pots and smaller, while medium-grade Fir-bark works well in larger pots.

Feeding: High-nitrogen fertilisers (25-9-9) can be used year round at one teaspoon per gallon of water. Feed once a month.