How to Transplant Orchids

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It is time to transplant your orchid when the roots are growing over the side of the pot or the lower leaves have died and weakened the center stem. The plant has either become too big for the container or the potting medium has broken down and no longer supports the plant. Always wait for an orchid to finish blooming before transplanting.

Transplanting Materials

  • Gather together new potting medium, hand-held pruners and a pot one size bigger than its present container. The potting medium must be fast-draining and also water-retentive. Commercial orchid potting medium contains volcanic rock, coconut fiber, tree bark, charcoal or a combination of these. Aliflor is an expanding clay medium that is often used in orchid mixes. Bark-based potting medium drains well but breaks down easily. Peat-based material retains moisture well but must be replaced yearly. Choose either clay or plastic pots for your orchid. Ensure the hand-held pruners are sterilized with alcohol before using, to prevent the spread of harmful bacteria.

Remove Orchid From Pot

  • Grasp the orchid plant by the main stem and gently remove it from the overturned pot. A very root-bound plant will be difficult to shake loose, and sometimes the pot needs to be broken. Remove all of the old potting medium by shaking the plant and picking the medium out from between the roots. Do not reuse any of this material in the transplant process. Gently wash off the orchid roots with water to remove fine particles. Pull off dead or weak lower leaves and pull off plant tissue at the leaf juncture. Prune all shriveled roots carefully with hand-held pruners, being careful not to cut healthy growth. Dead tissue is hollow when squeezed or wiry looking.

New Pot

  • Choose a plastic or clay pot that will accommodate the entire root system comfortably. Cover the bottom of the pot with a thin layer of potting mix. Place the plant in the pot with the lower leaves slightly above the rim. Place and push potting material in the spaces between the roots, pressing gently as you go. Ensure the bottom leaves remain slightly above the pot rim. Tap the pot gently to settle the materials and add more if needed to fill the space. Experienced orchid gardeners add a label to each plant indicating its name and bloom time.

Water and Ongoing Care

  • An orchid needs to be soaked thoroughly after it has been transplanted to a new pot. Always use tepid water and soak long enough so all the planting material is wet. Allow the pot to drain completely and empty the drip pan so the roots do not continue to absorb water through the drainage hole. Orchids are watered once a week after the transplant. Fertilize monthly with 1/2-strength commercial orchid fertilizer during summer and fall. Do not fertilize during the spring flowering cycle.

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  • Photo Credit Design Pics/Allan Seiden/Design Pics/Getty Images

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