20 Expert Tips to Design and Assemble Gorgeous DIY Terrariums

Plant Care
By Ella Brown

Struggling to keep plants alive or feeling overwhelmed by the complexities of gardening? A terrarium might be the perfect solution to your indoor plant woes.

Creating your own terrarium offers a low-maintenance, aesthetically pleasing way to enjoy greenery without the constant upkeep.

Whether you’re a beginner looking for a simple project or an experienced gardener seeking new inspiration, these 20 practical tips promise to simplify the process of designing, maintaining, and thriving with your miniature garden.

Say goodbye to wilted plants and hello to a lush, vibrant indoor sanctuary. Let’s dive into the transformative world of DIY terrariums!

1. Choose the Right Container

© Kraft Stories

Selecting the right container is the foundation of a successful terrarium. Consider using glass containers like fishbowls, jars, or cloches that provide ample visibility and accessibility for your plants. Ensure it has an opening wide enough to allow airflow and plant growth.

2. Select Suitable Plants

© The Spruce

Choosing plants that thrive in humid, low-light conditions is essential. Opt for small ferns, mosses, succulents, or air plants, which are known to do well in terrarium environments. Ensure they have similar care needs for harmony in your terrarium.

3. Create Proper Drainage

© The Spruce

Prevent root rot by establishing a drainage layer at the bottom of your terrarium. Start with small stones or pebbles, followed by a layer of activated charcoal to filter the air and water, and top it with quality potting soil.

4. Use Activated Charcoal

© Terrarium Tribe

Activated charcoal is vital in maintaining a healthy terrarium by absorbing toxins and odors. It helps keep the environment fresh and prevents the growth of mold and bacteria. Place a thin layer above the drainage stones.

5. Design with Layers

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Add visual interest by creating layers within your terrarium. Besides serving practical purposes, layered arrangements of sand, charcoal, and soil add aesthetic appeal and create a more natural and intricate look.

6. Light and Placement

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Place your terrarium where it can receive adequate light, but avoid direct sunlight, which can scorch the plants. Indirect, filtered light works best, so consider placing it near a window with sheer curtains.

7. Temperature and Humidity Control

© Terrarium Tribe

Terrariums thrive in warm, humid environments. Keep them away from drafts and extreme temperatures. Using a thermometer and hygrometer can help monitor and maintain ideal conditions for your terrarium.

8. Prune Regularly

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Regular pruning prevents your terrarium from becoming overgrown and helps maintain plant health. Trim dead leaves and overgrown stems to encourage new growth and keep your terrarium looking neat and tidy.

9. Water Sparingly

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Overwatering is a common mistake in terrarium care. Use a spray bottle to mist plants lightly, keeping the soil just damp. The closed environment retains moisture well, so less is often more.

10. Watch for Pests

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Be vigilant for signs of pests like gnats or aphids. Early detection is key to preventing infestations. Remove affected plants and use organic pest control methods to keep your terrarium healthy.

11. Experiment with Themes

© Terrarium Tribe

Personalize your terrarium by experimenting with different themes. Whether it’s a fairy garden, desert landscape, or tropical rainforest, using themed decorations can enhance the visual appeal and storytelling aspect of your terrarium.

12. Rotate for Balanced Growth

© Monstera App

Rotating your terrarium regularly ensures that all plants receive equal light exposure, promoting balanced growth. This simple habit can prevent lopsided development and encourage uniform growth patterns.

13. Incorporate Natural Elements

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Add texture and interest by incorporating natural elements like stones, driftwood, or bark. These additions can create a more authentic and dynamic environment, adding depth and character to your terrarium.

14. Avoid Overcrowding

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Resist the urge to overcrowd your terrarium. Plants need space to breathe and grow, so allow room for expansion and airflow. Overcrowding can lead to competition for resources and poor plant health.

15. Refresh Soil Periodically

© ome | Terrariums and Living Art

Refresh the soil in your terrarium every six months to a year to replenish nutrients and maintain plant health. Carefully remove plants, replace old soil with fresh potting mix, and replant with care.

16. Add Decorative Accents

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Enhance the aesthetic appeal by adding decorative accents like colored stones, shells, or small figurines. These additions can personalize your terrarium and make it more visually engaging.

17. Choose the Right Tools

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Invest in the right tools for terrarium maintenance. Small tools like tweezers, a mini rake, and a watering syringe can help you manage and care for your terrarium with precision and ease.

18. Monitor Plant Health

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Regularly check your plants for signs of health and distress. Look for vibrant green leaves, strong growth, and absence of pests to ensure your terrarium is thriving and making adjustments as needed.

19. Maintain a Clean Environment

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Keep the terrarium glass clean to ensure light penetrates and the view remains clear. Regular cleaning prevents algae build-up and keeps your terrarium looking fresh and inviting.

20. Be Patient and Observant

© ome | Terrariums and Living Art

Patience is key in terrarium gardening. Observe changes in your terrarium and adjust care routines accordingly. Being attentive and responsive to your plants’ needs ensures long-term success and enjoyment.