You can use the formula Tc = (5/9)*(Tf-32) where Tc = temperature in degrees Celsius, Tf = temperature in d â¦ egrees Fahrenheit.-109 F is -78.3 C. 2 people found this useful.ou can use the formula Tc = (5/9)*(Tf-32) where Tc = temperature in degrees Celsius, Tf = temperature in d â¦ egrees Fahrenheit.
Different types of orchids can be found growing everywhere from deep shade to full sun. The most commonly available orchids we grow at home need bright indirect light at a minimum, and in some case direct sunlight. We photographed this Brassvola orchid is growing in dappled sunlight along a riverbank in Belize.
1 Dendrobium â Dendrobium orchids are tougher than many other varieties, and are often recommended for people who are afraid to grow orchids. 2  They tolerate lower moisture in the air than other varieties and can take a wide range of air temperatures, as well. They tolerate lower moisture in the air than other varieties and can take a wide range of air temperatures, as well. 2  Cattelya â This orchid is probably best known as the corsage flower, since that is where most people first see it. 3  Of the different varieties of orchid, this is the standard that most growers refer to.