How to Grow Peperomia in a Terrarium: Tips and Tricks

Peperomia is a great choice if you’re looking for a low-maintenance, easy-to-care-for plant to grow in your terrarium. These small, colorful plants are perfect for terrariums, as they thrive in the warm, humid conditions typical of these enclosed environments. This article will show you how to grow peperomia in a terrarium, from choosing the right container to providing the perfect growing conditions.

How to Grow Peperomia in a Terrarium
Peperomia in Terrarium

1. Choosing a Terrarium Container

Before you start growing peperomia in your terrarium, choosing the right container is important. Terrariums come in various sizes and shapes, from large, open-air structures to small, enclosed glass jars. 

A medium-sized glass container is ideal for peperomia, as it allows for adequate air circulation and moisture control. When selecting a container, be sure to choose one with a lid or cover, as this will help maintain the proper humidity levels inside the terrarium.

2. Choosing the Right Peperomia Variety

There are over 1,000 varieties of peperomia, each with unique characteristics and growth habits. When choosing a peperomia variety for your terrarium, it’s important to consider factors such as light and temperature requirements, as well as the size and shape of the plant. Some of the most popular peperomia varieties for terrariums include Peperomia obtusifolia, Peperomia caperata, and Peperomia argyreia.

Peperomia come in various shapes, sizes, and colors, making them a great choice for terrariums. Some popular varieties of peperomia for terrariums include:

  • Watermelon peperomia (Peperomia argyreia) is known for its attractive foliage resembling a watermelon’s rind.
  • Ripple peperomia (Peperomia caperata) – is known for its crinkly, heart-shaped leaves in various colors.
  • Emerald ripple peperomia (Peperomia puteolata) – is known for its emerald green leaves with white veins.
  • Baby rubber plant (Peperomia obtusifolia) – known for its glossy, oval-shaped leaves that are easy to care for.
  • String of turtles (Peperomia prostrata) is known for its small, round leaves resembling turtle shells.

3. Soil and Fertilizer Requirements

Peperomia prefers well-draining soil that is rich in nutrients. When planting your peperomia in a terrarium, be sure to use a high-quality potting mix that is specifically designed for indoor plants. 

In addition, it’s important to fertilize your peperomia regularly to ensure healthy growth. A balanced, all-purpose fertilizer can be used once a month during the growing season.

4. Light and Temperature Needs

Peperomia thrives in bright, indirect light, making it the perfect plant for a terrarium. However, it’s important to avoid placing your terrarium in direct sunlight, as this can cause the temperature inside the terrarium to rise too high. In terms of temperature, peperomia prefers warm, humid conditions, with temperatures ranging from 65-80°F.

5. Watering and Humidity Control

Peperomia requires regular watering to thrive, but it’s important not to overwater your plant, as this can lead to root rot. In a terrarium, it’s important to maintain the proper humidity levels to ensure healthy growth. To do this, you can mist your peperomia regularly or place a small water bowl inside the terrarium to provide additional moisture.

6. Pruning and Propagation Techniques

Peperomia can be easily propagated through stem or leaf cuttings, making it a great terrarium plant. To propagate your peperomia, place a stem or leaf cutting in a potting mix. 

After a few weeks, roots should start to form, and you can transfer the cutting to a larger pot once it grows. In terms of pruning, it’s important to regularly remove dead or damaged leaves from your peperomia to promote healthy growth.

7. Pest and Disease Management

Like any plant, peperomia can be susceptible to pests and diseases. The most common pests that affect peperomia include spider mites and mealybugs. To prevent these pests from infesting your plant, keeping your terrarium clean and free of debris is important. In addition, you can use insecticidal soap or neem oil spray to control pest infestations.

8. Decorating and Designing Your Peperomia Terrarium

One of the great things about growing peperomia in a terrarium is that you can get creative with the design and decoration. Adding rocks, moss, or other decorative elements creates a unique and visually appealing terrarium. 

It’s important to choose decorations appropriate for your peperomia’s growing conditions, as some materials may hold too much moisture and cause problems for your plant.

Additional Tips for Growing Peperomia in a Terrarium

  • Choose a terrarium container with adequate drainage to prevent water from accumulating and causing root rot.
  • Use a well-draining potting mix that is specifically formulated for terrariums or succulents.
  • Place your terrarium in a location that receives bright, indirect light.
  • Avoid placing your terrarium in direct sunlight, as this can cause the temperature inside the terrarium to rise and damage your plant.
  • Monitor the humidity level inside your terrarium, as peperomia thrives in a high-humidity environment.
  • If the humidity is too low, you can mist your plant with water or add a humidifier to your indoor space.
  • Avoid overcrowding your peperomia in your terrarium, which can lead to resource competition and stunted growth.
  • Consider adding a layer of activated charcoal to your terrarium to help absorb odors and impurities.

Frequently Asked Questions

Can I grow peperomia in a closed terrarium?

Peperomia can be grown in a closed terrarium, but it’s important to note that they prefer a high-humidity environment. A closed terrarium can provide the necessary humidity for peperomia to thrive, but it’s important to monitor the moisture level inside the terrarium to prevent overwatering and root rot. 

Additionally, choose a variety of peperomia well-suited for terrarium conditions, as some varieties may be too large or require more space than a closed terrarium can provide. With the right conditions and care, peperomia can be a beautiful, low-maintenance addition to your closed terrarium.

Does Peperomia like humidity?

Yes, Peperomia plants prefer a high-humidity environment. In their natural habitat, Peperomia plants are often found growing in rainforests and other humid environments. To thrive indoors, providing Peperomia plants with a similar humidity level is important. You can achieve this by misting the plant regularly, placing a humidifier near the plant, or placing the plant in a terrarium or other enclosed space that can help retain moisture. 


Growing peperomia in a terrarium is a great way to add color and texture to your indoor space. You can create a beautiful and low-maintenance terrarium that will thrive for years by choosing the right container, peperomia variety, and growing conditions.