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Orchids are plants that produce beautiful and unique flowers. When you're growing orchids, it’s important to repot them now and then. However, repotting is stressful for plants, so it’s also important that you only do this when it is absolutely necessary and that you're very careful throughout the process. But a successful repotting will extend the life of your orchids, so you should do it regularly as the plants grow.
Quick Steps
- Rinse the orchid’s roots with water and trim off any dead roots and leaves.
- Choose a pot that’s 1-2 in (2.5-5 cm) larger than the current one.
- Soak the orchid’s new soil (e.g., sphagnum moss) in water for 1-2 hours.
- Put the orchid in the pot and add the potting medium.
- Water the orchid lightly for the first 3 weeks after transplanting it.
- Move the orchid to a spot where it receives filtered light.
Steps
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Pick the right time. According to plant specialist Harmony Corelitz, "Orchids need to be transplanted every year so they can have a fresh potting medium." For most orchids, spring is the ideal time for transplantation, but there are also other factors to consider. Corelitz also suggests "repotting an orchid when its roots have completely overgrown the pot, when the leaves fall off the plant, or when the roots start to look soft and brown." You should also transplant: [1] X Research source
- After the plant has bloomed and is growing new roots or leaves
- When it’s not currently flowering or forming new flowers
- If the pot breaks
- If the plant becomes infested with bugs
- If growing medium is wet and not draining properly
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Select a suitable pot. Pot choice for orchids is important, and this includes the size and the style. Transplanting an orchid into a pot that’s too large will force the plant to focus on root growth rather than flowering. Also, for an orchid to survive, it has to be placed in a pot with drainage holes. Plant specialist Harmony Corelitz suggests "choosing a pot that's just 1–2 in (2.5–5.1 cm) larger than the current one." She also advises "using a pot with drainage holes on the sides, so there will be good airflow and drainage."
- You can use plastic or terra cotta pots for orchids. Terra cotta pots require more frequent watering.
- Opt for a shallow pot versus a deep one to prevent water buildup.
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Choose the right growing medium. Most orchids don’t grow in the ground like other plants, but instead grow on trees. Because of this, many orchids cannot grow in regular potting soil, and instead need a very loose soil that’s amended with chunks of bark and other organic matter. [2] X Research source According to plant specialist Harmony Corelitz, "sphagnum moss or a mix of bark" are good potting mediums.
- Some other popular mediums for orchids include coconut husk, perlite, fir bark, and mixtures of these.
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Water the orchid. Before transplanting your orchid, give it some water three days prior to help reduce the shock of transplanting. Don’t give it more water than usual, however. Instead, give it enough to moisten the growing medium it’s currently in. [3] X Trustworthy Source United States Environmental Protection Agency Independent U.S. government agency responsible for promoting safe environmental practices Go to source
- Remember to fertilize your orchid once per week with a weak 20-20-20 fertilizer solution. [4] X Research source
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Soak the new medium. Many orchid media are dry, and soaking the medium before transplanting will help it absorb and retain more moisture. To soak the medium: [5] X Research source
- Fill the new orchid pot with as much growing medium as you'll need to repot the orchid
- Transfer the medium to a bucket that’s about twice as large as the new pot
- Fill the bucket the rest of the way with water
- Let the medium soak for one to two hours
- Strain the medium through a fine-mesh strainer
- Pour running water over the medium to remove dust
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Sterilize a cutting tool. Once you remove the orchid from its current pot, you'll need a sterilized knife or scissors to trim dead roots and leaves. It’s important to use a sterilized tool to prevent the spread of viruses and diseases.
- One way to sterilize your cutting tool is by holding it over an open flame until the metal glows red hot. [6] X Trustworthy Source Centers for Disease Control and Prevention Main public health institute for the US, run by the Dept. of Health and Human Services Go to source
- You can also soak the knife or scissors in a disinfectant, such as iodine or alcohol. Soak for about 20 minutes.
- Another way to sterilize your instrument is by boiling it in water for 20 minutes.
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Remove the orchid from the pot. Place your hand over the base of the orchid so your hand covers the top of the pot. Hold the pot with your other hand, and gently turn the orchid upside down into the hand that’s cradling the plant.
- If the orchid is clinging to the pot, massage it out by gently wiggling it back and forth.
- Only cut roots or stems if you cannot gently shake the orchid loose from the pot. If you have to make any cuts, preserve as much of the root or stem as possible. [7] X Research source
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Rinse the roots. While still holding the plant carefully with one hand, gently pick away as much old medium as possible with your fingers. When you’ve removed the bulk of the medium, rinse the roots under warm water to remove the remainder. [8] X Research source
- Removing all the old medium will ensure that your orchid gets the most nutrients possible when you transplant it, and will make sure any bugs are destroyed.
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Trim dead roots and leaves. Once your orchid is clean, inspect it carefully for dead leaves, stems, roots, and pseudobulbs. Use your sterilized cutting tool to trim away any roots that are soft and brown, any leaves that are yellowing, and any pseudobulbs that are black and shrivelled.
- A pseudobulb is a feature on some orchid types. It’s a bulbous growth near the base of the plant that will have a leaf growing from it. [9] X Trustworthy Source Science Direct Online archive of peer-reviewed research on scientific, technical and medical topics Go to source
- If you're transplanting multiple orchids at once, sterilize your cutting tool in between plants by wiping it with a disinfectant or heating it with a flame.
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Sprinkle cut ends with cinnamon. Cinnamon is a powerful fungicide that can help protect the orchid from infection and rot. Use ground cinnamon and sprinkle the ends of any roots, stems, pseudobulbs, or leaves that you trimmed off. [10] X Trustworthy Source PubMed Central Journal archive from the U.S. National Institutes of Health Go to source
- You can also use an orchid-specific fungicide.
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Place the orchid into its new pot. Gently bring your orchid to its new pot and place the roots inside. Make sure the plant sits in the new pot at the same depth as it did in the old one, or so that the lowest leaf’s base is a half-inch (1.3 cm) lower than the pot’s rim. [11] X Research source If your orchid is sitting too low, remove the plant and add a layer of medium to the bottom of the pot.
- For orchids with pseudobulbs, position the orchid so the pseudobulb is at the edge of the pot.
- For orchids growing from a single major stem, position the orchid in the center of the pot.
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Add fresh growing medium. Sprinkle the growing medium into the pot, and use your fingers to gently press the medium in and around the roots. Add enough medium so that it comes up to the base of the orchid.
- When you’ve added all the medium and packed it loosely around the roots, carefully tilt the pot from side to side to make sure the orchid doesn’t flop around. If it does, pack in a bit more medium. [12] X Research source
- To settle the medium in place, pick up the pot and gently tap the bottom against a flat surface a couple times.
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Water the plant. Spray the orchid with water for three weeks, but only after the roots begin to grow. Once the orchid is settled in its new pot, add enough water to soak the medium thoroughly. Over the next few weeks, you may have to water the orchid more frequently until the medium is able to absorb and retain more moisture.
- Once the orchid is fully established, water it every two weeks or so, when the medium becomes dry to the touch. [13]
X
Expert Source
Harmony Corelitz
Plant Specialist Expert Interview. 4 December 2020. - Make sure that you fertilize your orchid once per week using a weak 20-20-20 fertilizer solution. [14] X Research source
- Once the orchid is fully established, water it every two weeks or so, when the medium becomes dry to the touch. [13]
X
Expert Source
Harmony Corelitz
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Add a stake for security. Orchids can easily become top heavy if they have a lot of flowers that bloom at once. Prevent them from slumping over by attaching the plant to a stake.
- Insert a thin bamboo stake into the center of the pot.
- Gently tie the main stem to the stake with soft string. Tie the plant at the middle and near the top. [15] X Research source
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Provide the orchid with more humidity and shade for a week. To reduce the plant’s stress from being repotted, move it somewhere that gets filtered sun only. Keep it out of full and direct sunlight for about a week. To provide more humidity, mist the stems, leaves, and roots twice a day for a week. [16] X Research source
- You can also cover the orchid with fleece to help provide extra humidity.
- After a week, return the orchid to its regular place. Orchids like bright, filtered sunlight—about 3–5 ft (0.91–1.52 m) from a window is ideal. [17]
X
Expert Source
Harmony Corelitz
Plant Specialist Expert Interview. 4 December 2020.
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Expert Q&A
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QuestionHow do you reproduce an orchid?Maggie Moran is a Professional Gardener in Pennsylvania.Do this in early spring. Pull the plant up from the pot and at the soil line, pull the plant and roots apart into 2 equal parts.
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QuestionWhat is the best potting medium for orchids?Maggie Moran is a Professional Gardener in Pennsylvania.It depends on the type of orchid being grown. The common types are fir bark, coconut husks, tree fern fibers, and perlite. Sometimes it is a blend of several.
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QuestionHow do you repot an orchid plant?Maggie Moran is a Professional Gardener in Pennsylvania.With a gentle pull, you remove the pot from the roots. Once this is done, wash off the roots and remove any brown roots with shears.
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References
- ↑ https://www.usbg.gov/orchid-care-tips
- ↑ https://www.youtube.com/watch?v=7NjTpkix4lw
- ↑ https://www.epa.gov/watersense/watering-tips
- ↑ https://www.aos.org/orchid-care
- ↑ https://extension.okstate.edu/fact-sheets/soilless-growing-mediums.html
- ↑ https://www.cdc.gov/infection-control/hcp/disinfection-sterilization/sterilizing-practices.html
- ↑ https://homegarden.cahnr.uconn.edu/factsheets/orchid-care-and-repotting/
- ↑ https://homegarden.cahnr.uconn.edu/factsheets/orchid-care-and-repotting/
- ↑ https://www.sciencedirect.com/science/article/abs/pii/S0304423899000849
- ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7212785/
- ↑ https://www.bsu.edu/-/media/www/departmentalcontent/biology/pdf/rinard-orchid-greenhouse/informational-documents/guide-to-orchid-care-and-repotting.pdf?sc_lang=en&hash=796513733855E879DDA67BE726AD3B9E11206A45
- ↑ https://www.bsu.edu/-/media/www/departmentalcontent/biology/pdf/rinard-orchid-greenhouse/informational-documents/guide-to-orchid-care-and-repotting.pdf?sc_lang=en&hash=796513733855E879DDA67BE726AD3B9E11206A45
- ↑ Harmony Corelitz. Plant Specialist. Expert Interview. 4 December 2020.
- ↑ https://www.aos.org/orchid-care
- ↑ https://staugorchidsociety.org/PDF/201203Tips-RepottingOrchidswithPseudobulbs.pdf
- ↑ https://staugorchidsociety.org/PDF/201203Tips-RepottingOrchidswithPseudobulbs.pdf
- ↑ Harmony Corelitz. Plant Specialist. Expert Interview. 4 December 2020.
About This Article
Article Summary
X
To transplant an orchid, start by finding a shallow pot with drainage holes that's one size larger than the pot your orchid is currently in. Then, gently remove your orchid from its old pot and brush away as much of the old potting medium as possible. Next, rinse the roots under warm water and trim off any dead roots or leaves. Place your orchid in the new pot and add some fresh, loose growing medium. Finally, water your orchid to soak the new medium thoroughly. For help choosing the best growing medium for your orchid, keep reading!
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Reader Success Stories
- "The step-by-step was so easy to understand. I've transplanted this orchid once before, and did it all wrong. The cinnamon was a great addition. The orchid was given to me from my husband's daughter, at his funeral 2 years ago. It is a survivor, blooming three times so far. First had 7 blooms, next, 5, then 3. I need to trim, cut, wash, spray, and do what was suggested. It's important to keep it as long as possible." ..." more
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"The step-by-step was so easy to understand. I've transplanted this orchid once before, and did it all wrong. The cinnamon was a great addition. The orchid was given to me from my husband's daughter, at his funeral 2 years ago. It is a survivor, blooming three times so far. First had 7 blooms, next, 5, then 3. I need to trim, cut, wash, spray, and do what was suggested. It's important to keep it as long as possible."
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"I have never kept an orchid alive, but I have had my orchid for two years now. It hasn't re-bloomed but is reproducing leaves. I wanted to replant it. This gave me step-by-step directions. Makes me a little confident that I won't kill it! Wish me luck!"
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"I needed these repotting steps for an orchid as an emergency measure. I gave my husband an orchid as a Valentine's Day gift (he has no experience with orchids), and he proudly showed me how he planted it in the ground! I think I can save it now. Thanks!"
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"Super helpful! First-time orchid transplanter, so I was looking for a guideline, and this was perfectly detailed. Every question I thought of along the way was answered as I kept reading. Thank you so much for all this info. Hope it turns out well. "
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"Thanks for your orchid replanting tips! Since moving into my new apartment last fall, my 2 orchids, one of which I've had for years and has never rebloomed, bloomed all last winter/spring! The large old one should be replanted this year. Thanks!"
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