Workshop Guide
Moss
Moss
Terrarium Guide
Lay it. Mist it. Watch it spread.
🌿 🍃 💦 🪨 🌱
Meet Your Moss
The original ground cover
Moss is one of the oldest plants on Earth — and one of the most misunderstood. It has no roots, no flowers, and doesn't need soil to survive. It absorbs water and nutrients directly through its leaves and anchors itself to whatever surface it touches. In a terrarium, it becomes a living carpet that softens every edge and makes your little landscape feel like a piece of a real forest floor.
Forest Moss
Lush, deep green sheets that lay flat and spread naturally. Looks like a miniature forest floor. Loves moisture and indirect light. Great for creating natural-looking ground coverage.
Open or closed
Reindeer Moss
Usually sold preserved (dried and treated). Adds incredible texture and comes in natural green, grey, and even dyed colors. Won't grow — purely decorative. No watering needed.
Decorative only
Cushion Moss
Grows in soft, rounded mounds that look like little green pillows. Adds height and dimension. Works beautifully around rocks and figurines. A living moss that spreads slowly over time.
Open or closed
⚠️ Real talk about open containers: moss naturally thrives in humid, moist environments. In an open container, moisture escapes faster — which means you'll need to mist more consistently. Your moss will still look beautiful, but it needs more attention than in a closed setup. We'll cover exactly what to do throughout this guide.
Two Ways to Build
Moss-only vs. moss + tropical plants
Today you'll choose your build style. Both are beautiful — they just have different layers, different care, and a different feel.
Moss Only
Moss + Tropical Plants
Minimal layers — thin drainage base + moss
Full layer system: drainage, sphagnum, soil, plants, moss
Simpler to build — great for beginners
More complex build with more visual depth
Lower maintenance — mainly just misting
More care — watering, light, pruning plants too
Soft, minimal, zen-like aesthetic
Lush, layered, rainforest feel
Mist 2–3x per week in open container
Water soil weekly + mist moss as needed
Forest moss, cushion moss, reindeer moss décor
Same moss + ferns, fittonia, mini peperomia
Version 1 — Moss Only
What's in your moss-only kit
Clean, minimal, and meditative. This version is all about the moss itself — the texture, the color, the quiet beauty of it.
Open Glass Container
Bowl, dish, or vase — wide opening is fine
Pumice or Fine Gravel
Thin drainage base — keeps roots from sitting in water
Forest Moss (living)
Your main ground cover — lays flat and spreads
Cushion Moss
Adds height and rounded texture — optional but beautiful
Reindeer Moss
Preserved — decorative texture and color contrast
Optional décor
Rocks + Décor
Small stones, figurines — creates a landscape feel
Moss-Only Layers
How to layer a moss-only terrarium
Moss doesn't need deep soil — it anchors through tiny structures called rhizoids and absorbs water through its leaves. Your layer system is simple but still purposeful.
Moss-only build — bottom to top
Simple, intentional, and beautiful
4
Finishing touches
3
Living layer
2
Optional but helpful
1
Drainage base
💡 The thin sphagnum moss layer between the drainage base and your living moss helps retain moisture right where the moss needs it — at the base. It's not required, but it makes a real difference in an open container where moisture escapes faster.
Build It — Moss Only
Step-by-step: moss-only build
This is the simpler of the two builds. Take it slow and enjoy the process of creating a tiny landscape.
1
Clean and prepare your container
Wipe the inside of your glass clean — any residue will stay in the open container and show. Take a moment to plan your layout: where will the moss go? Where will rocks or a figurine sit? A little intentional thinking before you start makes the finished result much more beautiful.
💡 Try sketching a rough top-down view of where you want things. Even 30 seconds of planning makes a difference.
2
Add your thin drainage base
Add a very thin layer of pumice or fine gravel to the bottom — just enough to cover it, about ¼ to ½ inch. Unlike a full succulent or tropical terrarium, moss doesn't have deep roots so you don't need a thick drainage layer. This thin layer is simply an insurance policy against any excess moisture pooling at the very bottom.
💡 Moss-only builds need much less drainage than plant terrariums. Keep this layer thin — the star of your show is the moss on top, not what's underneath.
3
Add optional sphagnum moss moisture layer
If you have sphagnum moss, lay a thin half-inch layer over the drainage base. Dampen it slightly with a mist of water before placing it. This layer acts like a sponge right at the base of your living moss — holding just enough moisture to support it between mistings, especially important in an open container where humidity escapes.
💡 In an open container, this sphagnum layer makes a bigger difference than you'd expect. Think of it as your moss's personal water reservoir.
4
Lay your living moss
Gently press sheets of forest moss flat onto the base, green side up. Press down firmly enough that the moss makes good contact with the layer beneath — this is how it anchors and draws moisture. Fill in gaps with cushion moss mounds, varying the height to create a natural landscape. The moss doesn't need to be perfect — patchy, layered, and organic-looking is exactly right.
⚠️ Make sure your moss is green side up — it sounds obvious but it's easy to flip a piece in the process. Brown or grey side down, vibrant green side facing you.
5
Add rocks, reindeer moss, and décor
Nestle small stones or rocks into the moss — partially buried looks the most natural. Tuck pieces of preserved reindeer moss into gaps between the living moss for color and texture contrast. Place your figurine wherever feels right, as if it naturally belongs in that landscape. Step back and look before you finalize anything.
💡 Odd numbers of rocks always look more natural than even numbers. Three small stones in a loose cluster feels like nature. Two feels placed.
6
Mist and place in indirect light
Give your finished terrarium a generous mist of water — you want the moss to feel damp but not soaking wet. Place it in a spot with bright to medium indirect light. Avoid direct sunlight, which will dry it out quickly in an open container. Check on it daily for the first week to get a feel for how fast it dries out in your specific environment.
💡 A spray bottle with room-temperature water is your best tool. Cold water can stress the moss. Mist in the morning so any excess moisture on the glass evaporates during the day.
Version 2 — Moss + Plants
What's in your moss + tropical plants kit
Adding tropical plants takes your moss terrarium to the next level — more layers, more life, more visual interest. The moss becomes the ground cover for a tiny planted landscape.
Open Glass Container
Needs to be deeper to accommodate plant roots
Pumice or Calcined Clay
1-inch drainage layer — roots need more protection
Sphagnum Moss Barrier
Separates soil from drainage — essential with plants
Tropical Potting Soil
Moisture-retaining mix to feed plant roots
Small Tropical Plant(s)
Ferns, fittonia, mini peperomia — low and compact
Living Moss (ground cover)
Forest or cushion moss to cover exposed soil
Reindeer Moss
Preserved — for texture and color contrast
Optional décor
Rocks + Décor
Stones, figurines — your personal finishing touch
Combo Build Layers
How to layer the moss + plant build
When you add tropical plants, you're building a full layer system. Each layer serves the roots and the moss equally.
Moss + plants build — bottom to top
Full layer system for a planted open terrarium
6
Finishing touches
5
Ground cover
4
The stars ⭐
3
2" deep
2
½" layer
1
1" deep
💡 The key difference from the moss-only build: with plants in the mix, you need a full 1-inch drainage layer and a proper sphagnum barrier. The moss is the last thing you add — it covers and finishes the soil like a living mulch.
Build It — Moss + Plants
Step-by-step: moss + tropical plants build
This build follows the same logic as a full tropical terrarium — with moss as your final finishing layer instead of pebbles.
1
Clean your container and plan your layout
Wipe the inside clean. Then decide roughly where your plant(s) will go and where the moss will cover. In an open container with plants, thinking through the composition before you build saves a lot of rearranging later — plants don't love being moved once they're planted.
2
Add 1 inch of pumice or calcined clay
Pour your drainage layer and tap the container to level it. This is a full 1-inch layer — deeper than the moss-only build — because plant roots need more protection from any water that accumulates at the bottom.
💡 Tap the sides of the container as you pour to settle the material evenly before adding the next layer.
3
Add your sphagnum moss barrier
Lay a half-inch layer of sphagnum moss over the drainage to create a separation barrier. This stops soil from mixing down into the drainage layer over time. Press it into a continuous, even layer — no gaps or holes where soil can sneak through.
⚠️ Gaps in the sphagnum barrier mean soil works its way down and eventually clogs your drainage. Take an extra minute to make sure it's fully covered.
4
Add 2 inches of tropical soil
Scoop your tropical soil on top of the sphagnum barrier. Aim for 2 inches — enough to comfortably house your plant roots. Vary the height slightly for a natural, landscape-like look. Pat it down gently so it's stable but not compacted.
🌿 A slightly mounded landscape — higher in the back, lower in the front — gives your terrarium visual depth and makes the plants feel nestled rather than planted.
5
Plant your tropical plants
Remove each plant from its pot, shake off excess soil, and plant it in the position you planned. Firm the soil around the roots. Choose compact, low-growing tropicals — ferns, fittonia, mini peperomia, or baby tears work beautifully alongside moss. Leave space between plants for the moss to fill in.
⚠️ Choose plants that love moisture — the same high-humidity environment that moss thrives in. Succulents and moss should never share a terrarium. They have completely opposite needs.
6
Cover with living moss and add your décor
Press living moss around and between your plants to cover all exposed soil. Tuck it right up to the base of each plant. Then place your rocks, preserved reindeer moss, and figurines wherever they feel most natural. Mist everything thoroughly once you're done.
💡 The moss acts like mulch here — it locks in soil moisture for the plant roots while looking beautiful from the outside. The more coverage, the better the whole system works.
Care Guide