5 Soil Amendments to Keep Your Monstera Thriving

Monstera plants are beloved for their stunning foliage and easy-care nature, making them a popular addition to many homes and gardens.

However, in order to truly thrive, these tropical beauties require the right soil balance and a few key amendments to encourage healthy growth.

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In this article, we’ll explore five essential soil amendments for your Monstera plant. With the help of these five soil amendments, you’ll create the ideal growing conditions to ensure your Monstera continues to flourish.

So, if you’re seeking to elevate the health and appearance of your Monstera plant, look no further!

Monstera plant on a light green pot, 5 Soil Amendments to Keep Your Monstera Thriving

By implementing these soil amendments into your plant care routine, you’ll witness remarkable improvements in your Monstera’s vitality, making it the envy of plant enthusiasts everywhere.

How do Soil Amendments Improve Your Monsteras?

Soil amendments can greatly improve the health and growth of your Monstera plants. Providing appropriate soil will make all the difference between mere survival and thriving.

Here are some benefits of using soil amendments for your Monstera plants:

Improve Soil Structure

Improving soil structure is crucial for the healthy growth of Monsteras, as it enables the plant’s roots to spread easily and access essential nutrients.

Healthy monstera plant on a table

Adding amendments like perlite can create a more aerated and friable soil, ensuring your Monstera’s roots have enough room to grow and develop.

Boost Nutrient Content

Monsteras, like most houseplants, require a steady supply of vital nutrients, such as nitrogen, phosphorous, and potassium, to thrive.

Soil amendments, like compost and worm castings, can enhance the nutrient content of your potting mix, providing a rich and fertile environment for your Monstera to grow strong and vibrant.

Enhance Drainage

Excess water can lead to root rot and other issues in Monsteras, so it’s essential to have well-draining soil.

Gardener tilling the soil for proper water drainage

Soil amendments like perlite and sand can improve the drainage in your potting mix, allowing water to flow through the soil more freely and reducing the chance of moisture-related diseases.

Increase Water Retention

While it’s essential to avoid overwatering Monsteras, maintaining the correct moisture levels is equally important.

Amendments such as coco coir and peat moss can increase water retention, keeping the soil moist enough for your Monstera to thrive in its preferred humidity and moisture levels.

Encourage Beneficial Microbes

Healthy soil is home to a multitude of beneficial microbes that contribute to your Monstera’s growth.

Man repotting Monstera plant

Adding amendments like compost and worm castings can encourage the growth of these microorganisms, which in return, helps break down organic matter, releasing essential nutrients to your plant.

Mimic Natural Environment

Monsteras thrive in indirect light and a naturally moist environment. Ensuring your soil mix mimics these conditions will help your Monstera grow successfully.

Including amendments like coco coir, peat moss, and bark chips can create a natural, well-draining environment ideal for your houseplant’s optimum health.

Top 5 Soil Amendments

As mentioned above, using soil amendments can create the perfect environment for your Monstera to thrive.

But remember to always pay attention to the specific needs of your plant, and adjust the soil mix accordingly.

Below are some common forms of organic material to amend the soil for your Monstera plant.

1. Perlite

Perlite is a lightweight, porous volcanic rock that is great for improving drainage and aeration in your Monstera’s soil.

Click here to see this perlite on Amazon.

When you add perlite to the soil mix, it helps to prevent compaction, allows air to circulate around the roots, and aids in water retention.

Use a ratio of about 1:3 (perlite to soil) for optimal results.

2. Coco Coir

Coco coir is made from the fibrous husks of coconuts and offers excellent moisture retention while keeping the soil structure loose.

Click here to see this coco coir on Amazon.

This amendment can improve your Monstera’s root growth and overall health. To use coco coir, replace about 1/3 of your regular soil with coir, and then mix it thoroughly.

Coco coir is an eco-friendly alternative to peat moss that holds water efficiently and decomposes slowly, which means you won’t need to repot your Monstera as frequently.

3. Peat Moss

Peat moss is another effective soil amendment for your Monstera plant. It helps regulate moisture levels by absorbing water and slowly releasing it to the plant’s roots.

Click here to see this peat moss on Amazon.

Peat moss also has a slightly acidic pH level, which can benefit your Monstera by aiding nutrient absorption.

Add a layer of peat moss (around 1/3 of the total soil mix) to improve water retention and maintain proper soil consistency.

4. Vermiculite

Vermiculite, a natural mineral, is perfect for aerating the soil and improving its water-holding capacity.

Click here to see this vermiculite on Amazon.

When combined with other soil amendments, vermiculite can contribute to a well-draining, well-aerated environment for your Monstera.

To incorporate vermiculite into your soil mix, use a ratio of 1:4 (vermiculite to soil) for optimal aeration and drainage.

5. Worm Castings

Worm castings are an excellent organic soil amendment containing essential nutrients to support your Monstera’s growth.

Click here to see this worm casting on Amazon.

These castings improve the soil structure, promote beneficial microorganisms, and provide your Monstera with a slow-release source of essential nutrients.

You can add worm castings to your soil mix in a 1:5 ratio (worm castings to soil) for a fertile and nutrient-rich environment.

Signs of Wrong Soil for Monsteras

Monsteras are popular houseplants known for their striking, perforated leaves. They thrive in well-draining, nutrient-rich soil.

However, wrong soil conditions can lead to numerous issues. In this section, we’ll explore the signs of inappropriate soil for your Monstera.

And by recognizing these signs and making appropriate amendments, you can provide your Monstera with the right soil conditions to thrive and grow beautifully.

Yellowing Leaves

Yellowing leaves are often a sign of insufficient nutrients or poor drainage. Overwatering or compacted soil can lead to root suffocation and poor nutrient absorption.

Monstera leaf turning yellow

Ensure that your Monstera’s soil is loose and well-draining, allowing air and water to reach its roots.


Wilting leaves can indicate that your Monstera’s soil isn’t retaining enough moisture. Though Monsteras prefer well-draining soil, they also need consistent moisture levels.

Adding organic matter like peat moss or coco coir can improve water retention in your Monstera’s soil.

Root Rot

Root rot is a common issue in Monsteras with overly wet or poorly draining soil. The waterlogged environment promotes fungal growth, damaging the plant’s roots.

Root rot on monstera plant

To prevent root rot, make sure your Monstera’s soil drains quickly, and avoid overwatering.

Stunted Growth

A lack of essential nutrients in the soil can result in stunted growth for your Monstera.

Provide a well-balanced, slow-release fertilizer to promote healthy growth and ensure access to vital nutrients.

Brown Leaf Tips

Brown leaf tips are often a sign of dry soil or low humidity. Monsteras require a humid environment for optimal growth.

Monstera leaf turning yellow

By adjusting the soil composition to retain moisture and using a pebble tray or humidifier, you can increase humidity levels and support healthier foliage.

Falling Leaves

Falling leaves may signal that your Monstera’s soil lacks crucial nutrients, or that its roots are suffering due to compacted soil.

Adding compost or a balanced fertilizer can enrich the soil and promote stronger root development.

Lack of New Growth

If your Monstera isn’t producing new leaves, it may not be receiving enough nutrients from its soil.

Enrich the soil with organic matter, such as compost, to give it the nourishment it needs for new growth.

Slow Drainage

Slow drainage can lead to various issues like root rot, as discussed earlier.

Man repotting a small monstera plant

Incorporate materials such as perlite or sand into your Monstera’s soil to improve its drainage, ensuring a healthier root system.

A Thriving Monstera Awaits

Incorporating the right soil amendments can make all the difference for your Monstera’s health and growth.

By following the suggestions provided, you can ensure your plant will thrive in its environment and continue to be an attractive addition to your space.

Remember that Monstera plants love consistency and routine care. Be sure to regularly check the soil moisture levels, provide adequate light, and prune as needed.

With proper care and the right soil amendments, you’ll see your Monstera flourish.

Enjoy the satisfaction of knowing that you’ve provided your beloved plant with everything it needs to thrive.

By maintaining a healthy, stable environment, your Monstera will continue to reward you with its stunning beauty and growth.

For more care tips for your beloved Monstera, check out below.

5 Ways To Encourage More Leaf Growth On Your Monstera

Monstera Fertilizing Secrets: 6 Key Nutrients for Lush Growth