Cymbidiums Orchid Plants - What You Need To Grow Successfully Cymbidium orchid plants were first mentioned in China during the Chin dynasty. Yes, way back in 265 AD. They are beautiful, delicate orchid plants which have been used for corsages. They come in a wide range of colors, including reds, yellows, whites and others.And now they are grown for the florist industry because of their large flowers, about 5+ inches. The flowers on the cymbidium orchid last for five to seven weeks. Cymbidiums are used for corsage orchids. There are other cymbidiums which do not have as large flowers, but have an intermediate size flower. One of these is the cymbidium 'Royale'. These plants grow well outdoors and can take cool temps and even a short freeze, to about 28 degrees F. But once this occurs bring the orchid indoors. Cymbidium orchid plants usually bloom from February to May. During the summer months they will do better with cooler soil at night post by haiyan902. If this is a probl ... Read more »