Yes they do! I live in Maine and have a couple Pink Lady Slippers growing in our woods down by the road. I also saw a Rose Pogonia in the marshy area around the neighborhood pond a couple years ago.
Not all Orchids need to grow on trees, only the epiphytes, terrestiall Orchids grow in the soil.
how many orchids are there in the world
The wealthy began growing orchids in the midninteenth century in greenhouses to mimic native conditions. They had to learn to have ventilation to best grow the orchids.
less ephilyte orchids are often grown on coconut husk
some types of flowers are orchids and bromeliads
hibiscus, and morning glory grow singly
Somewhere in Thailand
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yes they do.
tropical rain forest
Orchids grow on tree bark in the tropical forest. Can't elaborate any further sorry