Where orchids come from: the wild homes behind their care

Three wild climates cover most home orchids:

• Cloud forests: cool, misty and damp all year. The American Orchid Society says Masdevallia comes mostly from high-elevation cloud forests, and NC State describes its home as high mountains that are cool, cloudy and humid. At home that means cool rooms and high humidity: NC State warns that heat or drying out can kill it. Pansy orchids (Miltoniopsis) come from high-elevation cloud forests too, per NC State and the New York Botanical Garden. The NYBG says they sulk above about 27 °C (80 °F) and may not flower.
• Warm lowlands: steady warmth and humid air. According to the AOS, most moth orchid species grow at low elevations, in warm, humid places where the temperature hardly changes through the year, and in shade. Even their dry season is humid, with heavy dew. That's why a moth orchid does well in an ordinary warm room with gentle light. Vanda is mostly a lowland orchid too, the AOS says, and it wants very bright light and lots of water, with high humidity, per NC State.
• A cool or dry season: a rest built into the year. Nobile-type Dendrobium hybrids come from high-elevation parts of Asia with cool winters and warm, wet summers, says the NYBG. They need a cool, dry winter to set flower buds, and the RHS agrees that cool-growing types need cooler nights and drier, brighter conditions in autumn and winter. Kew's World Checklist of Vascular Plants places most Cattleya species in seasonally dry tropical climates, and their pseudobulbs store water to carry them through drought, per NC State. That's why a Cattleya likes to dry out between waterings.

Our watering guide and rebloom guide turn these wild seasons into a care routine.

Orchids are one of the largest groups of plants on Earth, as the U.S. Botanic Garden puts it. Kew's World Checklist of Vascular Plants, the data behind Plants of the World Online, counts 31,892 accepted orchid species in its June 2026 release, about 900 of them natural hybrids. Older guides from UConn and Fairchild Tropical Botanic Garden give "more than 25,000". They grow in four main ways:

• On trees (epiphytes). An epiphyte grows on another plant, usually a tree, and takes nothing from it, as Iowa State, Clemson, Wisconsin, UConn and Fairchild all explain. Its thick roots grip the bark and soak up water and nutrients from rain, air and bits of debris, through a spongy coat called velamen (Fairchild, AOS). Roots like that need air as much as water, which is why they rot in dense soil and thrive in bark. Moth orchids, Dendrobium, Oncidium, Vanda, Masdevallia, Brassia and pansy orchids are mostly epiphytes, according to Kew. Some grow happily on a slab of cork or a branch at home: see our mounted plants guide.
• On rocks (lithophytes). Some orchids grip bare rock instead of bark, per Wisconsin Extension and NC State. Kew's checklist records many Cattleya species growing on rock, and the AOS says many Vanda grow on trees or rocks.
• In the ground (terrestrial). Most slipper orchids (Paphiopedilum) grow in the ground, a few on trees or rocks, per NC State and Kew. The jewel orchid (Ludisia) creeps along the ground, per NC State and the AOS. These want a mix that holds more moisture than bark alone.
• Climbing (vines). Vanilla starts in the ground, climbs a tree, and can lose its connection to the soil altogether, the AOS explains. Kew lists almost all its species as climbers.

A few orchids do several of these. NC State says Cymbidium can grow on trees, on rocks or partly in the ground. For Zygopetalum, sources split: the AOS says it grows mostly on the ground or on rocks, while Kew records four of its six species as epiphytes.

By Kew's count of native species (June 2026):

• Cattleya: all 136 species grow wild in South America and nearby, from Costa Rica south, and 121 of them grow in Brazil.
• Oncidium: 339 species from Mexico to South America, with 259 in western South America. The RHS says the cool-growing oncidiums come mainly from the high Andes.
• Masdevallia: 656 species, with 585 in western South America; Ecuador alone has 271.
• Brassia: 70 species, from southern Florida and Mexico through tropical America, most in western South America.
• Pansy orchids (Miltoniopsis): 5 species, all in western South America, two reaching Central America.
• Zygopetalum: 6 species, all in Brazil, ranging out to Peru and northeastern Argentina.
• Vanilla: 65 species in Central and South America and the Caribbean, and 13 in Mexico and the United States. The vanilla of cooking, Vanilla planifolia, is native from Mexico through Central America to Brazil, according to Cornell.

Colombia has a special place here: Kew's checklist counts more native orchid species in Colombia than in any other country, about 4,600.

Kew's checklist records it in Subarctic America, Western and Eastern Canada, and the north-central, northeastern and southeastern United States. Unlike the tropical orchids above, it grows in the ground in cold-winter forests, with a fungal partner it can't live without. Our pink lady slipper page explains why it belongs in the woods.

By Kew's count of native species (June 2026):

• Moth orchid (Phalaenopsis): 83 species, from India and southern China through Southeast Asia, with one reaching northeastern Australia. Most grow in the islands between Asia and Australia, and the Philippines has the most (22), which matches the AOS calling the Philippines the genus's main center.
• Dendrobium: 1,603 species, one of the biggest orchid groups. New Guinea alone has 617. It spreads from Asia across the Pacific to Australia and New Zealand, which the RHS also describes.
• Slipper orchids (Paphiopedilum): 110 species, from India and southern China to Southeast Asia and New Guinea, per Kew and NC State.
• Cymbidium: 92 species, most in China and mainland Southeast Asia, with three in Australia. NC State splits them into big cool-growing types and miniature warm ones.
• Vanda: 90 species, mostly in Southeast Asia and India, per Kew, and NC State agrees on tropical Asia and the Pacific.
• Jewel orchid (Ludisia): 2 species, from southern China to the Philippines and Sumatra, per Kew and NC State.
• Vanilla: 38 species in tropical Asia.

Kew's checklist records Vanilla species across west and central tropical Africa, East Africa and the islands of the western Indian Ocean, Madagascar among them. The AOS calls the genus pantropical: it grows in the tropics all around the world.

There's a twist with the vanilla in your kitchen. Its plant, Vanilla planifolia, comes from the Americas, yet Purdue Extension says most commercial vanilla is grown in Mexico and Madagascar. Cornell adds that when the vine was taken to the island of Réunion, it couldn't set pods because the bee that pollinates it at home wasn't there. Growers have pollinated its flowers by hand ever since.

None of the other twelve genera in this section grow wild in Africa, per Kew.