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How to repot an orchid: expert tips on timing and technique
By Holly Crossley,
13 hours ago
Learning how to repot an orchid may sound a bit daunting, but with a bit of know-how, it's easier than you might expect. It's well worth the effort, too, if you want to keep these fabulous plants flourishing for years to come.
Orchid potting soil is chunkier than a regular potting mix and tends to break down over time, which is detrimental to the plants' health. So, giving it a refresh now and again is an important part of caring for orchids correctly, to help support strong growth and flowering.
Below, plant experts share their top tips for this essential task, including when to tick it off and common mistakes to avoid. You'll find tips on tools and how to tackle aerial roots, too.
Expert advice on how to repot an orchid to keep it happy and healthy
Neglecting to repot your orchid is a houseplant mistake you don't want to make, as when done correctly, it has multiple benefits.
Repotting provides the opportunity to remove any old, decomposed potting material that might retain too much moisture, points out Jo Lambell, founder of Beards & Daisies. This reduces the risk of root rot. A fresh potting medium will provide better airflow and drainage for the plant.
Not only this, but knowing how to repot an orchid properly can provide it with better stability, "especially if the old pot was too small or the medium had broken down," she adds.
Gardening expert Petar Ivanov of Fantastic Gardeners also highlights how repotting allows you to trim any unhealthy roots. This improves the general health of the plant and stimulates the growth of new roots and leaves, he says.
Orchids need their potting medium refreshed occasionally to keep their root system healthy (Image credit: Annebel van den heuvel / Alamy Stock Photo)
What you will need to repot an orchid
A key part of repotting a houseplant properly is using the right tools. For orchids, Jo recommends using a pot that's one to two inches larger than the current one, an orchid potting mix, and sterilised scissors.
This peat-free mix includes pine bark for improved drainage and airflow which encourages healthy root growth. View Deal
Orchids prefer a chunky potting mix (Image credit: Kinga Krzeminska / Moment / Getty Images)
How to repot an orchid – a step-by-step guide
Repotting an orchid only takes five simple steps, which Jo shares below:
Remove the orchid from its current pot: Gently take the orchid out, being careful not to damage the roots. If the plant is stuck, you can squeeze the sides of the pot or cut it away if it's plastic.
Trim dead roots: Inspect the roots and trim away any that are brown, mushy, or dead using sterilised scissors.
Soak the roots: If the roots are very dry, you can soak them in water for 10-15 minutes to make them more flexible.
Place the orchid in the new pot: Position the orchid in the centre of the new pot and carefully add the potting mix around the roots. Make sure the plant is stable but not buried too deeply – its crown should be at the surface of the medium.
Water lightly: After repotting, water the orchid lightly to help settle the new potting soil around the roots.
Jo warns against overwatering your orchid after repotting, and advises returning to a regular watering schedule gradually. Our guide on how often to water an orchid is a must-read if you're unsure.
Check the root system before repotting your plant (Image credit: luaeva / iStock / Getty Images Plus / Getty Images)
According to Jo, repotting an orchid should typically be carried out every one or two years, depending on the type of orchid and the condition of the potting medium. Watch for the roots outgrowing the pot, too: "If the roots are spilling over the pot or becoming tightly packed, the orchid needs more space."
For most orchids, wait until just after the plants have finished flowering to carry out the task. This is usually during spring or early summer, Jo adds. Petar agrees. "Don't repot your orchid while it is in full bloom," he says. "In this way, you’ll avoid stressing the plant and making it lose its blossoms."
Repot your orchid once it's finished flowering, if needed (Image credit: Roman Bjuty / iStock / Getty Images Plus / Getty Images)
FAQs
Can you use a normal potting soil to repot an orchid?
While a regular potting mix may be fine for many easy houseplants , it's best to avoid using this when repotting your orchid. As Jo points out, it can suffocate the roots. Instead, stick to a dedicated orchid potting mix which will be loose and airy.
What are some common mistakes to avoid when repotting an orchid?
Petar notes how the new potting medium shouldn't be packed too tightly around your orchid, as the roots require adequate airflow. Jo also warns against burying the plant's crown (the area where the leaves meet the roots) – make sure it is above the potting soil to prevent rot.
Another common mistake is using a pot that's too big. Although it might seem like a good idea at the time, it can lead to problems with overwatering, which can rot the roots. This tip generally applies when caring for indoor plants , so it's a good one to remember!
Avoid covering the crown of your orchid (Image credit: Emilija Randjelovic / Alamy Stock Photo)
What should you do with the aerial roots when repotting an orchid?
Most orchids are epiphytes, meaning they grow on other plants, such as trees, in their natural habitat. Because of this, they can develop aerial roots, which absorb moisture and nutrients from the air. If they look healthy, leave them as they are, being careful not to bury them when you repot your plant.
Knowing how to repot an orchid properly is essential for keeping these houseplants at their best. However, there are other important maintenance factors to remember to avoid problems, such as orchid leaves turning yellow .
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