Phalaenopsis orchids can rebloom within 8 to 12 weeks. Vanda orchids typically bloom twice a year, but cattleya and cymbidium orchids only bloom once. Vanda orchids are not ideal for novice growers because they require more care than cattleya and cymbidium orchids. When it comes to blooming, there are two types of orchid flowers: primitive and intermediate. Primitive orchids, which include Brassia, Cymbidium, Cattleya, or Dendrobium, bloom every year while intermediates (such Oncidium and Laelia) rebloom after a dormant period.