Put the orchids in a wide, shallow container for multiple plantings and arranging. Choose a 4- to 5-inch-deep container with drainage holes, and leave 3 to 4 inches of space for each orchid.
Fill the container halfway full of a loose, airy, non-soil foundation like peat moss, orchid potting medium, wood bark or gravel. Orchids require drainage and air circulation in the foundation and fail in traditional soil.
Choose planting spots and spread each orchid's roots over the foundation. Arrange the orchids so that their flower stalks grow away from each other for better impact and spacing. Cover the roots with planting medium to fill the pots and secure the plantings. Pack peat moss or fern matter down firmly for better security.
Push a bamboo orchid stake into the foundation next to each flower stalk. Clip the stalks to the stakes for support and security. This also secures looser mediums like peat moss and fern matter.
Water the orchids with 2 inches of water and place them in a site with bright. indirect light or morning light and afternoon shade. Most orchids thrive with indirect, soft light, and may burn in bright or harsh all-day light.