The Secret to Thriving Begonia Terrariums: Why Every Layer Matters
Hiii! Let’s talk terrariums!
There are hundreds of ways to build a terrarium—just ask ten plant lovers and you’ll probably hear ten different methods. Over time, I’ve experimented and learned through the amazing DFW Begonia Society, and I’ve found a process that has been truly fail-proof for me. It’s the method I use to create stunning, long-lasting terrariums again and again. 🌱
(Remember, I’m referencing Begonia terrariums, not those succulent “terrariums” that’ll die in a month.)
Each layer I add plays an important role in keeping the ecosystem balanced. From biochar to chunky perlite to sanitized sphagnum moss, these components all work together to create the high-humidity environment where terrariums really thrive.
Biochar: The Invisible Protector
Biochar is one of the most underrated layers in a terrarium. This highly porous charcoal works like a natural filter, absorbing toxins, balancing the ecosystem, and keeping the terrarium fresh. It prevents odors, mold, and harmful bacteria from building up over time—basically acting like a mini-cleaning crew that you never have to think about.
Chunky Perlite: The Foundation of Drainage
Terrariums don’t have drainage holes like regular pots, so perlite becomes the hero at the bottom. The chunky texture allows excess water to flow through, preventing root rot and creating tiny pockets of airflow. That extra breathability keeps the roots healthy, even in a closed environment.
Sanitized Sphagnum Moss: The Moisture Manager
Think of sphagnum moss as the sponge of the terrarium. It soaks up extra water, holds it, and slowly releases it back to the plants when they need it. Because it’s sanitized, it’s free from pests and unwanted organisms, keeping your terrarium safe and healthy. This layer also acts as a divider, keeping the soil from sinking into the drainage layer.
High Humidity: The Key to Thriving Terrariums
All of these layers work together to create a humid, stable environment—the kind many tropical plants love. That high humidity reduces stress, encourages new growth, and allows delicate plants (like begonias!) to flourish in ways they wouldn’t in open air. It’s what makes terrariums not only beautiful, but long-lasting.
When you peek inside a terrarium, you’re looking at more than plants—you’re looking at a living system where each layer is doing its job. That’s why building one isn’t just fun, it’s an exercise in creating balance and harmony.
Want to experience it for yourself?
Join me on Oct. 2 in Fort Worth for a hands-on terrarium workshop! You’ll get to work with biochar, perlite, sphagnum moss, and more—plus choose from fun terrarium décor to make it uniquely yours. By the end, you’ll have your own mini ecosystem to take home and enjoy. Spaces are limited to 16 seats, and tickets close 24 hours before the event.
📍 Maple Branch Craft Brewery, Fort Worth
🗓 Thursday, October 2 @ 6:00 PM
🎟 Grab your ticket here!
Can’t make it?! Don’t worry, I’ll be announcing more dates across DFW soon! 💚
Let’s Grow Together
At Lauren and Plants, I specialize in helping your indoor plants thrive — whether that means:
Plant maintenance and care services to keep your houseplants healthy year-round
Terrarium building workshops (perfect for groups, events, or one-on-one sessions)
Plant design and styling for homes, offices, and businesses in Dallas–Fort Worth
Plant sourcing — big or small, let me help you find your dream plant for your space
If you’re in the Dallas–Fort Worth area and want to bring the beauty of plants into your home, office, or event, I’d love to work with you.
📧 Email: lauren@laurenandplants.com
🌐 Website: laurenandplants.com
📱 Instagram: @laurenandplants
Tickets are live!
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