Do Zz Plants Like Acidic Soil? The Effect of Soil pH

Hey there! Are you ready to learn all about ZZ plants and their love for acidic soil?

ZZ plants, also known as Zamioculcas zamiifolia, are one of the most popular houseplants around. They’re known for their ability to survive in low light conditions and their ability to store water in their thick stems, making them perfect for forgetful plant parents.

But one question that comes up often is, do ZZ plants like acidic soil? Well, buckle up, because we’re about to find out!

Do Zz Plants Like Acidic Soil?

pH levels and ZZ plants

To understand whether ZZ plants like acidic soil or not, we need to understand what soil pH means. Soil pH is a measure of the acidity or alkalinity of the soil. It’s measured on a scale of 0 to 14, with 7 being neutral, anything below 7 being acidic, and anything above 7 being alkaline.

Now, when it comes to ZZ plants, they prefer soil that is slightly acidic, with a pH range of 6.0 to 6.5. This is because, in their native habitat of Eastern Africa, the soil is often slightly acidic due to the presence of organic matter and other factors.

The Importance of Proper Soil pH

Now, you might be thinking, “So what? Can’t I just water my ZZ plant with lemon juice to make the soil more acidic?” Well, hold your horses! It’s not that simple.

Proper soil pH is important for several reasons. Firstly, it helps the plant absorb the necessary nutrients from the soil. When the soil pH is too high or too low, the plant might struggle to absorb the nutrients it needs to grow and thrive.

Secondly, having the right soil pH can also prevent diseases and pests from taking hold in the plant. Soil that is too acidic or too alkaline can create the perfect environment for certain diseases and pests to thrive, which can put your beloved ZZ plant at risk.

How to Maintain Proper Soil pH for ZZ Plants

So, how do you maintain the perfect soil pH for your ZZ plant? Well, it’s easier than you think!

Make sure you’re using the right potting mix. A well-draining potting mix that contains peat moss, perlite, and sand will help keep the soil slightly acidic, which is perfect for ZZ plants.

You can use a soil pH meter to check the pH level of your soil. This will give you an accurate reading and help you determine if you need to adjust the pH.

If you find that the soil pH is too high, you can add some sphagnum peat moss or sulfur to the soil to lower the pH. On the other hand, if the soil pH is too low, you can add some lime to raise the pH.

Symptoms of soil that is too acidic for ZZ plants

ZZ plant is a pretty tough plant and can handle a wide range of soil pH levels. However, if your soil is really really acidic, you may start to notice some telltale signs that your plant is feeling the squeeze.

Here are a few things to look out for:

Yellowing leaves

The leaves of the ZZ plant might start to yellow, which is a sign that it’s not getting the nutrients it needs from the soil.

Stunted growth

If your soil is too acidic, your ZZ plant might not grow as big and strong as it should.

Leaf drop

If your ZZ plant is really unhappy with the acidity of your soil, it might start dropping its leaves.

Best practices for maintaining optimal soil pH for ZZ plants

To make sure your ZZ plant stays healthy and happy, you want to keep the soil pH level in a range that’s optimal for the plant. Here are some best practices to maintain the optimal soil pH for your ZZ plant:

Test your soil regularly

The first step to maintaining optimal soil pH is to know what the pH level of your soil is. You can get a soil pH testing kit from your local garden center or hardware store and use it to test your soil.

Know the optimal range

The optimal pH range for ZZ plants is between 6 and 6.5. If your soil is too acidic, you can add some lime to the soil to raise the pH level. If it’s too alkaline, you can add some sulfur to lower the pH level.

Make gradual changes

If you need to adjust the pH level of your soil, make the changes gradually. Adding too much lime or sulfur at once can shock your plant, so it’s best to make small changes over time.


Adding a layer of mulch on top of the soil can help maintain a stable soil pH level. The mulch will also help retain moisture and suppress weed growth.

Water wisely

The way you water your ZZ plant can also impact the soil pH level. Use distilled water or rainwater if possible, as tap water can have a high pH level.

Ending Thoughts!

ZZ plants do prefer slightly acidic soil, with a pH range of 6.0 to 6.5. Maintaining proper soil pH is important for the plant’s health and growth, and it’s easier than you might think to do so!

Hope you found this article helpful about ZZ plants and acidity!

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