Cymbidium orchidThe Cymbidium orchids, most of which are terrestrial, have large pseudobulbs and thin ribbonlike leaves. The flower sprays bear large numbers of long lasting flowers. The standard size plants have thirty-six inch leaves and take up a lot of room. They are hard to grow indoors and in areas with warm night temperatures. They need very bright light and cold nights. The miniature plants have ten to twenty-four inch leaves. They are easier to grow indoors and can tolerate less light and warmer night temperatures than the standards.