Plants that are grown in containers want the correct potting mix to be successful. Orchids need excellent drainage and most general potting soils are excessively heavy and hold an excessive amount of water, so in the event that you would like to have healthy orchids you may wish to purchase a specialty potting mix. So given that an excellent potting mix does these things, any lot of different materials may be used.
Soil from your garden may not be used because it doesn’t drain fast enough, this is going to result in too little air for those plants root system. Certain kinds of plants need specific varieties of soil, so be certain you read the seed packet or ask at the local nursery or garden center and adjust the recipe accordingly. Then all you’ve got to do is plant and water!