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They will grow in both, and they will just grow and probagate, most Orchids are "Epiphytes", they attach themselves to plants but generally to trees, they are not parasites they just use the plant or trees for support.
Other Orchids are "Lithophytes, they grow on rocks, stones etc.
There are some that are called "True Terrestrials", they grow in soil as opposed to the "Simiterrestrials" which grow on the ground on decomposing matter.
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Why do orchids need to be placed in a tree?
Not all Orchids need to grow on trees, only the epiphytes, terrestiall Orchids grow in the soil.
What crops grow with no soil?
Hydroponic crops are grown in water with no soil. Most orchids also do not grow in soil.
Is soil a ingredient in photosynthesis?
Nope. Plants can be grown without soil. It is done in hydroponics, and orchids do not grow in soil.
What type of soil do orchids need to grow?
Orchids are grown in fur bark mix. Usually comes in a package labeled orchid mix from a nursery or hardware store.
What are terrestrial orchids?
Terrestrial orchids are orchids that live in the soil of the ground and not in trees
What types of plants grow without soil?
Parasites. Plants such as Mistletoe ( Viscum album) grow on other plants.
What soil do you use to re pot orchids?
Soil
Why are orchids grown in charcoal?
good ventilation and disease resistent Answer In addition to the above the Orchids grown in bark or spaghnum moss with charcoal through it are usually epiphytes therefore they would not grow in soil as excellent drainage is required.
What will happen if a rock is eroded in a place where there is no soil?
You know how the soil grows plants like in the rock but if there is no soil then the plant won't grow in the rock.
What other plants do not soil to grow besides orchids?
Bromeliads which grow on the branches of many tropical trees, Air Plants, Mistletoe, Spanish Moss, some species of fern and Seaweeds and I'm sure there are many more.
Why must orchids grow on charcoal?
Because charcoal can allow air passing through compared to soil. The idea is to allow the the internal part of the root to dry and prevent them rot.
What will happen if cactus plant is grown in loamy soil instead of sandy soil?
For a start it would not grow, but if it were to be transplanted, it would rot unless the soil was kept very very dry.
