Complete Guide to Repoting a Peace Lily

For your peace lily to continue to grow and thrive, it’s important to repot it periodically.

Peace lilies are easy-care indoor plants that look lush and green all year round. Plus, their lovely white blooms help to brighten up any interior and put a smile on your face.

However, for your peace lily to continue to grow and thrive, it’s important to repot it periodically.

This will not only give the roots more room to grow but will also freshen up the potting mix to give your plant the nutrients that it needs.

When should you repot a peace lily?

There are no hard and fast rules for this but your plant will give you some obvious signs when it’s time to repot it.

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For example, if there are roots growing out of the drainage holes in the bottom of the pot, your plant is telling you that it’s outgrown its space.

This is the perfect time to choose a larger pot and replant your peace lily into this.

You might also notice that the soil in the pot dries out rather quickly or starts to look a little compacted. If this is the case, your peace lily will really benefit from being repotted with a lovely fresh potting mix.

Another sign to look out for is a slow-down in growth and a reduction in blooming. If you notice this, it’s time to repot your plant in a slightly larger pot and give it some fresh potting mix.

Ideally, you want to repot your peace lily at least once every two years or sooner if the pot is quite small. The best time to do this is either in spring or early summer.

At this time, the plant will be in active growth and is less likely to suffer from transplant shock.

How to repot your peace lily

Here are the steps to successfully repot your peace lily.

Step 1 – Choose a new pot

Select a pot that is around 5cm larger in diameter than the pot that the plant is currently growing in. This will provide ample space for the roots to spread out and grow. 

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Make sure that the pot has adequate drainage holes and don’t be tempted to go a lot larger in pot size. This is because a much larger pot will retain moisture in the soil much longer that the plant is not able to use.

All this excess moisture could result in root rot and mean the end of your plant.

Step 2 – Choose a premium potting mix

Most gardeners will have their favourite brand of potting mix that they commonly use. Just make sure that the mix is good quality and that it allows for excellent drainage.

To improve the drainage of your regular potting mix, you might want to add some perlite in the ratio of three to one. This means 3 parts potting mix to 1 part perlite.

Step 3 – Remove any dead or browning leaves from your plant

Before taking your plant out of its current pot, it’s a good idea to give it a general clean-up.

If your peace lily has any dead or browning leaves, just cut them off at the base with a clean pair of secateurs. 

Step 4 – Take the peace lily out of its current pot

Once you’ve tidied up your plant, you can take it out of its current pot. Do this gently so that you don’t damage the plant. 

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I find it easiest if you gently tap the sides of the pot on the ground or on a table as this will help to loosen up the soil a little.

Step 5 – Take a close look at the root system

With the plant out of its pot, it’s a good time to inspect the root system. If you spot any unhealthy or damaged roots, you can gently trim these away with a pair of secateurs.

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If the roots are tightly bound in a circle at the base, you can gently tease them out a little to loosen them up. This will assist the roots to spread out once they’re in their new environment.

Step 6 – Put the plant in its new pot

Place a little potting mix in the base of the new pot and put your peace lily on top of this. If the top of the plant’s root system sits level with the top of the pot, you can backfill with more potting mix.

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If the plant sits a little low in the pot, just lift it gently and add a little more mix into the bottom of the pot. Similarly, if the plant sits too high, just remove some mix from the base of the pot.

When backfilling, just add potting mix around the plant evenly and press down gently until the level of the mix is level with the top of the root system all the way around.

Step 7 – Water your plant well

Once your peace lily is in its new pot, you want to water it well until the excess water comes out of the drainage holes.

If this settles the potting mix down too far, just add a little more to the top.

Once all the excess water has drained away, return your plant to its original spot and enjoy its new growth.

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Should I water my peace lily before repotting?

The best recommendation is to water your peace lily the day before you plan to repot it.

Do peace lilies like to be root bound?

Peace lilies do like to be root bound to a degree. However, when the roots start to escape the pot, it’s time to move your plant to a slightly larger pot.

Should I cut the brown tips off my peace lily?

Personally, I would remove the entire leaves with brown tips at the base of the plant. If you just cut off the brown tips, this could leave the rest of the leaf open to fungal infection.

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Annette Hird

Annette Hird is a gardening expert with many years of experience in a range of gardening related positions. She has an Associate Diploma of Applied Science in Horticulture and has worked in a variety of production nurseries, primarily as a propagator. She has also been responsible for a large homestead garden that included lawn care, fruit trees, roses and many other ornamental plants. More recently, Annette has concentrated on improving the garden landscape of the homes that she has lived in and focused a lot of energy on growing edible plants as well. She now enjoys sharing her experience and knowledge with others by writing articles about all facets of gardening and growing plants.


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