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There's something magical about orchids, don't you think? Their elegant necks and brilliant petals are fitting for an ancient forest habitat, and yet they thrive in a home environment with little upkeep. Repotting orchids prevents their roots from getting overcrowded so they'll continue producing gorgeous blooms for years to come. Learn how to determine when an orchid is ready to repot and how to move it to a new container without damaging the roots.
Steps
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Determine whether it's time to repot. The ideal time to repot an orchid is right after it finishes flowering, when it begins to produce new growth. Plant specialist Hamony Corelitz suggests "repotting orchids yearly so they can get a fresh potting substrate." She encourages to "make sure that you're not going off a schedule for repotting into something bigger. Instead, see if the roots are overgrown and stretching out from the bottom of the pot, or if the roots are turning soft and brown." If you're not sure when your orchid was last repotted, watch for the following signs to know if it's time: [1] X Research source
- The plant is growing over the edge of the pot. If the bulk of the plant is leaning way over the edge, it needs more space.
- The bottom leaves are falling off. [2]
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Expert Source
Harmony Corelitz
Plant Specialist Expert Interview. 4 December 2020.
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Don't repot orchids unless you really need to. Being overzealous with orchid repotting can throw off the plant's growing cycle. An orchid should only be repotted if the above symptoms are evident. If it looks to be healthy and well contained in its current pot, put off repotting for another year. It's better for the orchid to get a little overcrowded than to be repotted too soon.Advertisement
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Figure out what potting material you need. Now that you know it's time to repot your orchid, it's important to figure out the right type of potting substrate to use. According to plant specialist Harmony Corelitz, "Orchids are epiphytic, so their roots need a lot of aeration and drainage. They aren't typically grown in actual soil; instead, they need to be grown in sphagnum moss or a mix of bark." [3] X Research source
- Most common orchids will do well with this mixture:
- 4 parts fir bark or coconut husks
- 1 part medium charcoal
- 1 part perlite
- If you're not sure exactly what kind of orchid you have, packaged potting mix for orchids is a safe bet for most epiphytic orchids. It's available at many nurseries and home and garden centers.
- If you have a terrestrial orchid, you'll need soil that is crumbly and retains water well. It should have a high content of perlite and wood matter. Ask at your local nursery for the particular mix that's right for your orchid genus.
- Most common orchids will do well with this mixture:
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Decide what size pot to use. According to plant specialist Harmony Corelitz, "When repotting an orchid, you'll need a pot that's only 1–2 in (2.5–5.1 cm) or so bigger than the pot the orchid originally came in." You want to provide a little more space, but not too much—otherwise, the orchid will concentrate its energy on growing roots, and you won't see flowering for many months. Look for a plastic, clay, glass or ceramic pot suitable for your orchid size. Corelitz also advises "getting a pot with holes in the sides" as well as holes in the bottom. [4] X Research source
- Some orchid species have roots that can photosynthesize. If you have a Phalaenopsis, consider getting a clear glass or plastic pot to let the sunlight in.
- If you need to choose a pot that's on the larger side, you might want to add some broken terra cotta chips to the bottom of the pot. This will help the potting material in the middle of the pot, which tends to stay wet, drain more effectively.
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Measure out the potting material you need into a large bucket or bowl. Fill your new orchid pot with the potting mix, then dump it into a container about twice its size. To prepare orchid potting mix, you'll need to soak it in water overnight. This will help it retain enough moisture to sustain the orchid. [5] X Research source
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Cover the potting mix with hot water. Go ahead and fill the bucket or bowl to the top with hot water. Don't use cold water, since the potting materials won't absorb this as well. Be sure the soil is at room temperature before repotting the orchid.
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Strain the potting mix. You can use a strainer that you'd normally use for food (you'll want to clean it well afterward) or a large piece of cheesecloth. Drain out all the water so that all you're left with is wet potting mix. Run more warm water over the mix to rinse out any dust.
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Remove the orchid from its old pot. Carefully lift the orchid from its old pot, loosening each root individually. If the roots are stuck to the pot, use sterilized scissors or knife to help free them. It's important to use very clean equipment, because orchids are prone to getting diseases. [6] X Research source
- You can sterilize your trimming tools by wiping them with rubbing alcohol on a rag.
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Remove the old potting mix and dead roots. Use your fingers and a clean pair of scissors to carefully clean up the roots. Pick out the old mix - charcoal, wood chips, moss, and so on - and discard it. Use the scissors to clip away rotten or dead roots, taking care not to damage any healthy plant matter. [7] X Research source
- Roots that are soft and limp are probably dead, so go ahead and remove them.
- Untangle the roots carefully by easing them apart with your fingers.
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Get the new pot ready. If you're using a pot that you've used before for orchids, clean and sterilize it with boiling water to get rid of toxins and kill potential disease vectors. If the pot is large and deep, line it with broken pieces of terracotta or packing peanuts to help with drainage. If you're using a shallow pot, this step isn't necessary.
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Place the orchid in its new pot. The older growth should go toward the bottom of the pot, with the newer growth toward the sides, where it will have more room to spread out. The top part of the root mass should be at the same level it was in the previous pot. That means the new shoot should be above the surface of the pot, with most of the roots below the surface. [8] X Research source
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Press the potting mix into the pot. Pour some in around the roots. Shake the pot and tap on the side of the pot to help the potting material settle lightly packed around the root coils. If you do use your fingers, press gently so that the live roots are not damaged. Make sure there are no big air pockets. If parts of the roots are left uncovered, they won't grow properly.
- It helps to pour in just a little potting mix at a time. Work that around the roots with your fingers, then pour in more mix and keep going.
- Continue pressing in the mix until it's level with the top of the pot.
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Make sure the plant is able to stand upright when you're finished. Stake the plant upright or clip it to the side of the pot so it does not fall over or grow crookedly.
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Continue caring for your orchid as before . Place your orchid in a temperate spot with partial shade. Water it sparingly or according to the needs of your particular orchid.
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Expert Q&A
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QuestionWhat size pot should I use for my orchid?Harmony Corelitz is a Plant Specialist and the Ecommerce Manager at Crimson Horticultural Rarities, Inc, a boutiue offering rare plants, flower arragements, and handmade goods. Harmony grew up helping her parents run their family business in plant maintenance and interior plantscaping. Harmony specializes in indoor plant care and interior plant design. Prior to her workwith Crimson Horticultural Rarities, she started her pop-up plant and vintage home goods shop called Younger Child and helped her former employer, Plants and Friends, grow and expand to two locations. She holds a BA from the University of San Francisco.If you're going to repot an orchid, you should put it in a pot that's 1-2 inches wider in diameter than its existing grow pot. They like to stay very compact in the soil—their structure is really held together by the roots.
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QuestionWhat type of pot should I use for my orchid?Harmony Corelitz is a Plant Specialist and the Ecommerce Manager at Crimson Horticultural Rarities, Inc, a boutiue offering rare plants, flower arragements, and handmade goods. Harmony grew up helping her parents run their family business in plant maintenance and interior plantscaping. Harmony specializes in indoor plant care and interior plant design. Prior to her workwith Crimson Horticultural Rarities, she started her pop-up plant and vintage home goods shop called Younger Child and helped her former employer, Plants and Friends, grow and expand to two locations. She holds a BA from the University of San Francisco.Orchids need a lot of aeration and drainage, so it's best to choose a pot that has holes in the side.
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QuestionCan I grow an orchid in potting soil?Harmony Corelitz is a Plant Specialist and the Ecommerce Manager at Crimson Horticultural Rarities, Inc, a boutiue offering rare plants, flower arragements, and handmade goods. Harmony grew up helping her parents run their family business in plant maintenance and interior plantscaping. Harmony specializes in indoor plant care and interior plant design. Prior to her workwith Crimson Horticultural Rarities, she started her pop-up plant and vintage home goods shop called Younger Child and helped her former employer, Plants and Friends, grow and expand to two locations. She holds a BA from the University of San Francisco.Orchids aren't typically grown in actual soil—they're going to be grown in sphagnum moss, a mix of bark, or orchid bark.
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Tips
- Prepare your workspace by covering the area with newspaper or plastic.Thanks
- If the orchid is too difficult to remove from the pot, smashing the pot to break it apart can be effective.Thanks
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Warnings
- Always select a pot with drainage holes on the bottom. If the water is allowed to stand and pool, the roots might rot.Thanks
- Do not change the potting medium of your orchid on a whim. If you believe a different medium might be more advantageous for the plant, research it and wait for the proper time for repotting.Thanks
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Things You'll Need
- Pot
- Potting mixture
- Water
- Knife
- Trimming tools
- Foam peanuts or broken terra cotta pieces
- Plant clips and stake
References
- ↑ https://www.aos.org/orchids/orchid-care/when-should-i-repot.aspx
- ↑ Harmony Corelitz. Plant Specialist. Expert Interview. 4 December 2020.
- ↑ https://www.aos.org/orchids/orchid-care/what-is-the-best-potting-media.aspx
- ↑ https://www.gardenersworld.com/how-to/grow-plants/how-to-repot-orchids/
- ↑ https://www.gardenersworld.com/how-to/grow-plants/how-to-repot-orchids/
- ↑ https://libguides.nybg.org/orchidpottingdividing
- ↑ https://libguides.nybg.org/orchidpottingdividing
- ↑ https://www.gardenersworld.com/how-to/grow-plants/how-to-repot-orchids/
About This Article
Article Summary
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Before repotting an orchid, start by removing the orchid from its old pot and clipping away any dead roots. Then, gently transfer the plant to a slightly larger pot. Next, cover the potting mix you’ll be using with hot water before straining it through a piece of cheesecloth. When all the water has drained out, gently pat the soil into the pot around the orchid’s roots. Finally, stake the plant so it stays upright and won’t grow crooked. For tips from our Gardening reviewer on finding the right potting mix for your orchid, read on!
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Reader Success Stories
- "I learned quite a bit of information like how the wrinkling of the leaves is actually a sign of overwatering and not of dehydration and that the under leaves going yellow and falling off are also from overwatering! I have had both of these events and now need to correct. I also learned how to repot and when and not to do it very often, which is why I was searching the site in the first place. I have tried to grow a number of orchids for the past 6 years without success. " ..." more
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"I learned quite a bit of information like how the wrinkling of the leaves is actually a sign of overwatering and not of dehydration and that the under leaves going yellow and falling off are also from overwatering! I have had both of these events and now need to correct. I also learned how to repot and when and not to do it very often, which is why I was searching the site in the first place. I have tried to grow a number of orchids for the past 6 years without success. "
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"First time caring for an indoor orchid. Received it from a special friend and really want to be successful. Step-by-step directions for repotting my orchid have been very helpful. I had no idea how or when to re-pot or what size pot to use. Really appreciate this information.
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"I required information on how to repot an orchid plant and this article answered my questions, what type of soil (not to use regular soil but bark etc.) and cutting limp dry roots (another article advised a pot with slots on sides for root growth). Thank you."
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"Repotting, when and how to do this. I have never done this before, so these tips will be most helpful to me, and I will buy a prepared packet from garden center. It was nice to know that I am watering my plants correctly. Next task is to get them flowering."
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"Clear, concise advice, especially re: watering and feeding. I started out with one orchid for Mother's Day and now I have ten! I'm hooked, I love them. So far all is well, I have five in bloom and the rest are resting. I'll keep popping back here for help."
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