Q. Our larger Phalaenopsis orchids (in a 4–5” diameter pot) only need to be watered every 10–14 days under normal room temps (65–75°F), or water when they feel light and dry. In Palm Springs, since it’s dry and hot, and you probably use air conditioning, it may need to be watered more often. Orchids love humidity, so if you can increase the humidity around it or keep it in a bathroom, that would be ideal, but don’t allow it to be constantly wet or stand in water. You can make a humidity tray by placing the plants on a tray of gravel, partially filled with water, so that the pots never sit in water. Matsui Phalaenopsis flowers should last two or three months, so if you’re finding that the plant loses all its blooms before then, you may need to adjust your care.
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