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| LEARN MORE ABOUT ORCHIDS ORCHID 101 Temperature: Grammatophyllum will tolerate considerable summer heat as long as they get cool, mild night temperatures (between 50-65 degrees F.). Cold weather, even down to 28 degrees F. for a few hours each night, will not damage an acclimatized plant, but once the plant spikes or flowers, it should be protected from temperatures below 35 degrees F. Regardless, plants should always be kept free of frost. Light: Your Grammatophyllum enjoys the morning and afternoon sun most, yet should be protected from the hot mid-day sun. A light green leaf with just a hint of yellow indicates the maximum amount of sun the plant can take, and a dark green leaf indicates not enough sun. Feeding: High nitrogen fertilizers (25-9-9) should be used from February until July, while low nitrogen fertilizers (6-25-25) should be used from August until January. Feed one teaspoon to a gallon of water once a month. Repot: Repot every two to three years from February to June with a well-draining medium. Fine bark is suitable in mild summer climates, while a finer medium Orchid Mix works well in warmer summer areas. |
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