Dendrobium Orchid Varieties

Phalaenanthe

• This dendrobium variety remains evergreen for the first few years after planting. The pseudobulbs can appear twice every year if you cool the plant to 55 degrees Fahrenheit for about four weeks after the first growth period and then warm it to 60 degrees Fahrenheit again. The first growth period usually occurs in the autumn and the second in the winter.

Spatulata

• Spatulata dendrobium orchids, also known as antelope type, do not produce blossoms for several years after germinating. These orchids are hardy, large plants that bloom from summer to many times during the year if kept continuously at about 60 degrees Fahrenheit during the night and 75 degrees Fahrenheit to 90 degrees Fahrenheit during the day.

Callista

• The rootstocks of this orchid variety display dense tubular shoots that are 4 millimeters in diameter. The curved pseudobulbs produce two or three oblong-shaped leaves. Callista thrive in summer at 60 degrees Fahrenheit to 90 degrees Fahrenheit. Night temperatures should remain at 50 degrees Fahrenheit. Blossoms grow on pendent inflorescences, which are the drooping stems that hold the flowers.

Dendrobium

• The denrobium orchid variety is a species of the denrobium genus and produces leaves that grow up the canes and fall off in cool weather. After the leaves drop from the canes, flowers bloom halfway through the winter and into the start of spring. Dendrobiums do not require fertilizer and need little water. They thrive in warm summer weather in sunny areas and cool nights that are 40 degrees Fahrenheit to 50 degrees Fahrenheit.

Formosae

• Formosae, also known as nigrohirsutae produce white flowers that can grow up to four inches wide, in groups of two or three. The pseudobulbs and leaf stems have black hairs. Formosae require cool nights from 50 degrees Fahrenheit to 60 degrees Fahrenheit and days that get no hotter than 85 degrees Fahrenheit. The soil should remain almost dry during dormant times.

Latouria

• This dendrobium orchid variety produces large, tough leaves that grow at the top of the pseudobulbs and remain evergreen for several years. Latouria require a rest period during the winter with cool, dry conditions.