DIY Mason Jar Terrarium

Updated on February 1, 2018

Yes! They Can Hold Plants

Mason jars have a lot of uses. And yes, containing plants can be one of those uses! At first, it doesn’t seem like it. They don’t have holes at the bottom, but if you use the right supplies and techniques, you can still use them and have no issue with draining the soil.

In the video below, I demonstrate how I made my mason jar terrarium for my succulent.

Draining Water From the Jars

The first issue that comes to mind when using Mason jars for plants is draining. Mason jars have no holes at the bottom, so at first, it may seem like they can't be used. Fortunately, there is a way to ensure that your plant is drained properly. Before you put anything else in the jar, fill the bottom of it with half an inch of gravel. The gravel will drain the water in the soil.

Adding the Soil

After you place the gravel in the jar, get a spoon. Depending on the soil type, you may want to prepare it separately in a bowl. Many soils require a certain amount of water before they are used.

Soil Type

The type of soil you will need is based on the plants you are using. Certain plants also require different amounts of soil. For my succulents, I put in no more than three inches of soil. If there is too much soil, the succulent's roots will not grow properly and they will die. The soil I use for my succulents is Miracle-Gro Cactus Palm and Citrus Potting Mix.

Preparing the Soil

Many soils need to be mixed before they are actually used. Some soils need to be mixed with fertilizers and plant foods. You can also crush up egg shells and mix them in for extra nutrients. Scoop out the soil with a spoon and put in a bowl. Mix in the water, fertilizer (if necessary), and egg shells (optional).

How I Prepare My Succulent's Soil

Succulents do not need a lot of water so it is not necessary to moisten it. If you do decide to moisten it, only use a very tiny amount of water. There are plant foods made for succulents you can mix in with it and you can add eggshells. Your succulent will be okay without soil preparation, but it wouldn't hurt to do so.

Placing the Plant in the Jar

Take a spoon and dig a small hole in the soil. Take the plant out of its packaging (or pot if you're moving it) and place it in the soil. Put more soil in the pot and make sure it covers all the roots.


Accessories can make your terrarium look even better. It's important that you don't crowd the plant and that it still has room to grow. It can be difficult to place accessories in a specific spot with just your hands because your hands may be too big to fit in the jar. What I did was I picked the objects up with tweezers and placed them in like that.

Here are some of the accessories you can use:

  • rocks and pebbles
  • sea shells
  • sea glass
  • mini figures

Some Accessories I Used


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