It was a beautiful sunny day, perfect for a hike around our property. I was walking along, enjoying the sunshine, birds and lovely fall colors, when I almost tripped over a large, gnarled branch from an oak tree that had fallen onto the path. My first thought was not to step over it, but rather to pick it up and take it home. It would be a beautiful piece on which to mount an orchid plant!
Orchids growing on a mount are fascinating to observe. They wrap their roots around the wood and the new growths often cling to the piece, many times enveloping it over time and creating a 360 degree spectacle! Orchids can be affixed, or "mounted," to just about anything. In the past, we have mounted them on cedar shingles, grapevine, cork logs (even miniatures on wine corks!), tree fern slabs, driftwood, and even ceramic tiles and stone. If you are using wood, a hardwood is preferred because it will not decay as quickly.
The orchids are attached to their mount by simply tying them on. A lightweight fishing line, such as 8 or 10 pound test, is best for smaller plants. It is sufficiently strong to hold the plant to the substrate, while remaining virtually invisible to the human eye from a few steps back. Medium weight grades may be required to affix more substantial specimens.
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Ascocentrum pumilum
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Usually some type of media is wrapped around the orchid roots before tying it onto the mount. This media helps to retain moisture for the plant. We use sphagnum moss; however, coconut fiber, Spanish moss or anything similar may also be used. In growing areas where extremely high humidity exists, media may not even be desirable or necessary.
When watering a mounted orchids, the plant and mount should be either immersed in a container of water or misted/soaked thoroughly so that the moss surrounding the roots becomes saturated. The moss should then be allowed to dry out before being watered again. Never allow the moss/media to be kept continuously wet, or root rot will occur. If no moss or media is used when mounting, then frequent misting or extremely high humidity is required so that the plant does not dehydrate. For more detailed instructions on growing mounted plants, see the culture sheet at the link below:
Many orchids seem to grow better on a mount than in a pot. Tying them to a piece of wood, with their roots more exposed to the air, simulates the natural growing habitat of these epiphytes. The root and plant growth can also be observed more easily on a mount, as these things are not hidden by a pot or containers. Watching the growth of the plant and flowers develop is just one of the things that makes the growing orchids a fascinating hobby!
Enjoy!
Liese