What Is the Temperature of an Orchid Greenhouse?
Antarctica is only continent that does not have native orchids. So depending on the type of orchid you want to grow, the temperature range can be anywhere from below freezing to 100 degrees Fahrenheit. Does this Spark an idea?
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Average Temperature Range for Orchids
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Many of the cattleya orchids will tolerate temperatures in the mid-40s Fahrenheit. The most readily available orchids on the market are tropicals. The comfort range for these orchids is 60 to 85 degrees Fahrenheit. This temperature range is easily and inexpensively achieved in the Bahamas but costly in Norway. Choose orchids for your greenhouse collection with your temperate zone in mind.
Choices for a Colder Greenhouse
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A spray of cymbidium orchids Four types of orchids that will tolerate, even enjoy, cooler temperatures are the cymbidiums, the dendrobiums, the cattleyas and the masdevallias. These are easily found through retail establishments, specialty mail-order catalogues and online. All of the four types listed above will happily tolerate temperatures down to 48 degrees Fahrenheit. To initiate its bloom cycle, the cymbidium requires four to six weeks in the fall when temperatures remain in the 38- to 48-degree Fahrenheit range.
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Pitfall of a Cooler Greenhouse
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A standard cymbidium hybrid Bacteria adore nothing more than a cool, wet, dark greenhouse. If the greenhouse is cool, the watering schedule must be adjusted so that the orchids have time to dry before darkness. Use tepid water to spray the plants, and water them only on sunny days. Water them early in the day so they'll have time to dry before dusk. Preventing illness is much easier than fighting it.
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References
- Photo Credit Jupiterimages/Photos.com/Getty Images orchid, orquidea, cattleya image by Don Perucho from Fotolia.com Orchid cymbidium image by Azazirov from Fotolia.com orchid image by Maxim Kulemza from Fotolia.com
