Ever stared at a tiny glass jar and thought, “Could I really grow something beautiful in there?” I did—many times. And honestly, the first few attempts ended in soggy soil and sad, mushy leaves. But once I cracked the code, making a succulent terrarium became one of my favorite weekend projects. It’s low-maintenance, visually stunning, and perfect for small spaces. Whether you’re a seasoned plant parent or just starting out, this guide will walk you through exactly how to make a succulent terrarium that thrives—not just survives.
I’ve grown succulents for over a decade, from sun-drenched windowsills to indoor jungle corners. What I’ve learned? Not all terrariums are created equal. Some people love the lush, enclosed look, but succulents—despite their desert roots—actually prefer airflow and dry conditions. That’s why the secret to a successful succulent terrarium isn’t just picking the right plants; it’s building the right environment.
In this guide, I’ll share my personal tips, the exact materials I use, and the common mistakes I made (so you don’t have to). By the end, you’ll have a living piece of art that requires minimal care and brings a touch of calm to your home.
Ready to turn a simple glass container into a mini desert oasis? Let’s dig in—literally.
Why Succulents? And Why a Terrarium?
Succulents are nature’s low-maintenance superstars. They store water in their leaves, making them incredibly drought-tolerant. But here’s the catch: they hate sitting in moisture. Traditional terrariums—especially closed ones—trap humidity, which can rot succulent roots in days.
That’s why open-container terrariums are the gold standard for succulents. Think wide-mouthed jars, bowls, or geometric glass boxes with plenty of airflow. I personally love using vintage apothecary jars or geometric geometric terrarium containers—they let light in and keep things breathable.
Still, not all succulents are equal when it comes to terrarium life. Some thrive in tight spaces; others need more room to spread. Below, I’ve broken down my top picks based on real-world results.
My Top 5 Succulents for Terrariums
| Name | Best For | Size (Mature) | Light Needs | Special Feature |
|---|---|---|---|---|
| Echeveria ‘Lola’ | Rosette centerpiece | 4–6 inches | Bright, indirect | Pastel pink edges in sun |
| Haworthia attenuata | Textural contrast | 3–4 inches | Medium to bright | Striped, translucent leaves |
| Sedum rubrotinctum (Jelly Bean) | Color pop | 3–5 inches | Full sun to bright | Turns red in strong light |
| Graptopetalum paraguayense | Trailing effect | 6–8 inches | Bright, indirect | Lavender-gray rosettes |
| Crassula ovata (Jade Plant) | Mini tree look | 6–12 inches | Bright light | Symbol of luck and prosperity |
Step-by-Step: How to Make a Succulent Terrarium
What You’ll Need
- A clear glass container (open-top preferred)
- Small succulents (2–5, depending on size)
- Cactus or succulent soil mix
- Drainage layer: pebbles, gravel, or aquarium stones
- Activated charcoal (optional but recommended)
- Decorative elements: sand, moss, small figurines
- Tweezers or long spoon for planting
Step 1: Layer the Base
Start with a 1–2 inch layer of pebbles or gravel at the bottom. This is non-negotiable—it prevents water from pooling around the roots. I use crushed lava rock because it’s lightweight and porous. On top, add a thin layer of activated charcoal. It helps filter moisture and prevent mold. Trust me, this small step saved me from countless fungal disasters.
Step 2: Add the Soil
Pour in 2–3 inches of well-draining cactus mix. Regular potting soil holds too much water—succulents will drown. I mix in a bit of perlite (about 20%) for extra aeration. Level it gently, but don’t pack it down. Roots need room to breathe.
Step 3: Plant Your Succulents
Use tweezers or a spoon to create small holes. Remove plants from their nursery pots, loosen the roots slightly, and place them in. I like to arrange taller plants in the back and trailing ones near the edges. Leave space between them—they’ll grow! Overcrowding leads to competition and rot.
Step 4: Decorate (But Don’t Overdo It)
Add a thin layer of decorative sand or colored stones on top. I love using black star sand for contrast. You can include small pieces of driftwood or tiny fairy garden accessories—just keep it minimal. Too much decor blocks airflow and traps moisture.
Step 5: Care for Your Terrarium
Place it in bright, indirect light. A south- or west-facing window is ideal. Water sparingly—only when the soil is completely dry. I use a spray bottle once every 2–3 weeks in summer, even less in winter. Overwatering is the #1 killer of terrarium succulents.
Helpful Notes & Expert Advice
Climate matters: If you live in a humid region (like Florida or the Pacific Northwest), avoid closed terrariums entirely. Open containers are a must. In dry climates, you can get away with slightly more moisture—but still err on the side of dry.
Seasonal caution: Succulents go dormant in winter. Reduce watering to once a month. If your terrarium fogs up inside, it’s too wet—remove the lid (if closed) or move it to a drier spot.
Safety note: Some succulents, like Kalanchoe, are toxic to pets. If you have cats or dogs, stick to pet-safe varieties like Echeveria or Haworthia.
Key Takeaways
- Use only open containers for succulent terrariums to ensure airflow.
- Drainage is critical—always include a gravel layer and well-draining soil.
- Choose slow-growing, compact succulents that won’t outgrow the space.
- Water infrequently—when in doubt, wait another week.
- Bright, indirect light is ideal; avoid deep shade.
FAQ
Can I use a closed jar for a succulent terrarium?
Not recommended. Closed terrariums trap humidity, which causes root rot in succulents. If you love the look, consider air plants (tillandsias) instead—they thrive in enclosed spaces.
How often should I water my succulent terrarium?
Every 2–3 weeks in summer, and once a month in winter. Always check that the soil is completely dry before watering.
Why are my succulent leaves turning yellow or mushy?
This is almost always due to overwatering or poor drainage. Remove the affected plant, let the soil dry out completely, and replant in fresh, dry mix.
Final Thoughts
Making a succulent terrarium isn’t just about following steps—it’s about creating a tiny ecosystem that reflects your style and care. I’ve made dozens over the years, and each one teaches me something new. The best part? They’re forgiving. Even if you mess up, you can usually rescue the plants and start over.
Thank you for letting me share what I’ve learned. If you try this project, I’d love to hear how it goes—drop a comment or tag me in your photos. And if you’re ready for more, subscribe to my newsletter for monthly plant care tips and DIY inspiration. Happy planting!