DIY: Designing a Terrarium with Succulents

Designing a terrarium with succulents, whether as a creative project or a way to bring a touch of nature into the home or office, can be a satisfying adventure, presenting an ideal opportunity to create

Written by: Nathan Cole

Published on: February 11, 2026

Designing a terrarium with succulents, whether as a creative project or a way to bring a touch of nature into the home or office, can be a satisfying adventure, presenting an ideal opportunity to create a unique, small-scaled ecosystem. Here, we delve into the specifics of constructing a thriving terrarium using various species of succulents.

Succulents are xerophytes, plants that have adapted to survive in conditions of minimal water. Their striking aesthetics, paired with minimal maintenance requirements, make them ideal inhabitants for terrariums.

Our first step is choosing the right terrarium. Glass jars, vases, or even aquarium tanks with clear walls, and removable covers, are great for displaying the final arrangement. You should consider the size, shape, and closure as these elements dictate the type, number, and arrangement of succulents. Ventilation is key since succulents are susceptible to root rot and mold growth in damp, stale environments.

The next step involves selecting succulents. Variety is important, but all the plants for the terrarium should have similar requirements for water, light, and temperature. Echeverias with rosette shapes, Haworthias or Zebra Plants, Sedum or Stonecrops, and Crassula or Jade Plants are excellent choices.

Aesthetics matters in selecting succulents. You would want a mix of colors, textures, and sizes for visual interest. Too many competing elements, however, might make your terrarium look chaotic. An odd number of plants, often three, five, or seven, generally create a balanced design.

The third step addresses the terrarium’s soil. Use a cacti or succulent mix, which provides the fast-draining environment these plants prefer. Add in some coarse sand, pumice, or perlite to improve drainage, especially in non-draining containers.

To begin the assembly, place a false bottom or drainage layer about 2″ deep using small stones or pebbles on the bottom of the terrarium. You can also add a layer of activated charcoal above the pebbles, which helps in odor control and fungi prevention.

Next, add a thin layer of sphagnum moss to prevent soil from sifting down into the pebbles. The layer of cacti mix follows about 2″-3″ deep, or deep enough to cover the roots of your succulents.

Make sure to prep your plants before installation. Remove them from their pots and shake off the extra soil from the roots. If any plant has long or excessive roots, you can trim them back a bit.

Begin to plant by making a small well in the soil and placing a succulent in it. Arrange the taller plants first, usually at the back and center. The filler or medium-sized ones follow, leaving the smallest or trailing succulents towards the front or edges of your container. Be creative in the configuration!

After completing the arrangement, use a small brush or cloth to clean the plants and remove any soil on the terrarium walls. Take a final look. If required, you can rearrange the plants for a more picturesque appearance.

The space surrounding the plants is the place for decorative elements. You can use small rocks, glass beads, miniature garden figures, or seashells to add whimsy or interest.

Then comes the crucial part: watering. Lightly moisten the soil using a sprayer. Avoid overwatering as it induces rot and mold.

In maintaining your creation, ensure that your succulent terrarium receives adequate light, ideally near a south or east-facing window. During hot, summer days, protect it from intense, direct sunlight that might burn the plants through the glass walls.

Regular monitoring is also key. If the leaves start to shrivel or the color seems off, your plants could be under stress. Pace your watering, remembering that succulents survive better under drought-like conditions than water-logged ones.

Additionally, understand that it’s OK for plants to outgrow your terrarium or occasionally fail. Part of succulent terrarium care involves pruning errant growth, replacing plants, or refreshing the soil as needed.

In summary, while the process of designing a succulent terrarium requires attentiveness and care, the resulting delight of observing a miniature, functioning ecosystem is absolutely worth the effort. Whether a seasoned gardener or a beginner, everyone can enjoy the creativity and tranquility that comes from building their own little Eden.

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