Transplant orchids every two years, or when their roots grow out of their old pot. Move the orchids during an active growth phase. Choose a pot one size larger than the orchid's old pot to provide a larger -- but still contained -- growing space. Use pots with drainage holes to guarantee free drainage.
Fill the new pot 1/2 to 3/4 full with an orchid potting mix. Izumi orchids do best in free-draining foundations like peat moss, fern matter, wood chips or gravel, and fail in thick traditional soil.
Turn the Izumi orchid's existing pot on its side and tap it gently to loosen the foundation. Grasp the base of the orchid, under the leaves, and pull it carefully from the pot.
Brush any old potting medium off the roots to expose the entire root ball. Trim black, broken, dried or bent roots back to healthy root material to encourage new root growth.
Lay the roots across the new potting soil. Hold the Izumi orchid with one hand and use the other hand to transfer more foundation to the pot. Lay the potting foundation over the roots and fill the pot to finish the planting process.
Push a bamboo stake into the soil next to each flower stalk and use a clip to secure the flower stalks. These stakes give the stalks support and keep the potting soil in place.