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How to Look After Peperomia Argyreia (Watermelon Peperomia) - A Care Guide

Updated: Mar 8, 2022

Here's some tips on how to care for a Peperomia argyreia, so that you can get the best out this this big and bold leaved houseplant.

A Peperomia argyreia being held up  at the Garden Geeks store. | Garden Geeks UK
A Peperomia argyreia at the Garden Geeks store.

Watermelon Peperomia

Native to South America, the Peperomia argyreia gets its common name (Watermelon Peperomia) due to its large, round, fruity patterned leaves which make this houseplant so eye catching.

Relatively easy to care for, they make for a fantastic showy foliage plant, that will make a room pop or add interesting patterns to an existing houseplant collection.


Naturally, Peperomia argyreia grow in the dappled light of covered rainforests with a mix of sun and shade. Try to find a spot that replicates this.

Placing your Watermelon Peperomia in a slightly shaded spot within a bright room is ideal - somewhere where it can get bright but indirect sunlight.

Avoid harsh direct sunlight which may scorch the plants fabulous leaves.


Your Watermelon Peperomia will do best in a well draining peat based soil. Adding about 1/3 perlite into your potting soil mix will help with drainage and aeration for the plants roots.


While being a relatively beginner friendly plant, you'll want to make sure you don't over or underwater your Peperomia argyreia.

Avoid letting your Watermelon Peperomia sit in saturated soil for too long or you may cause root rot. On the other hand, extended periods of draught may cause the plants leaves to wilt.

Allow your soil to mostly dry out in the top half before watering, then give your Peperomia a good soak, letting the excess water run out of the drainage holes in your pot. You'll need to water the plant more regularly in the warmer growing seasons and cut back in winter.

Get used to feeling the weight of the plant pot when its just been watered and when its almost dried out.


Watermelon Peperomia can survive just fine in average indoor humidity, however in the warmer summer months, or if your indoor air is particularly dry, misting the leaves once in a while can help give the plant a boost. Placing it near other plants helps too.


Peperomia argyreia do best between 18-24ºC. Try to avoid exposing your Watermelon Peperomia to temperatures below 10ºC if possible.


The Watermelon Peperomia is non-toxic and pet safe!


Regular Watermelon Peperomia grow up to 12 inches tall, while the mini version can grow up to 6 inches.

If you like, during the summer, you can use a diluted liquid fertilizer once every 2 - 4 weeks to help give your Peperomia argyreia a boost.

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