Zygopetalum Culture
Zygopetalums are fragrant and exotic new world orchids that grow in a cool rainforest environment. They like moderate light levels and somewhat more water than cattleyas. The leaves should be sprayed with water periodically.
In the greenhouse, zygopetalums require some shading to prevent the leaves from overheating. In the home, however, they need bright light. Placing them outside under the shade of tall trees during the summer months is very beneficial. Do not place them in full sun, however, or the leaves will burn. Also, do not place the plants on the ground, for insects and slugs (snails) can enter the pots and damage the plants. Pot hangers can be used to suspend the plants from tree branches, chains, strong trees, or other structures.
In the home, placing zygopetalums in a room with relatively cool temperatures will help guard against dehydration. They are happiest with night temperatures of 55 to 60 degrees F.
In watering zygopetalums, it is best to soak the potting mix thoroughly and wait until the surface is almost dry before watering again. On the average this will be once every five to seven days, depending on the nature of the potting mix and on the weather.
Zygopetalums should be given a balanced, water soluble fertilizer about once a month. Each pot should receive about one-half cup of a solution of one teaspoon of fertilizer per gallon of water. It is best to under-fertilize rather than to over-fertilize. With the lower light and drier conditions in the home, orchids cannot use as much fertilizer as they can use in the greenhouse. Some growers like to increase the humidity around their orchids in the home by using "humidity trays" or trays of wet gravel around or under the plants. Pots should not touch the surface of the water.
Note: This guide is only applicable to Zygopetalums. For other varieties, please click on one of these links:
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