Terrarium, Vivarium and Mossarium Potting Mix Soil by Highland Moss
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Terrarium Potting Mix for Moss, Terrariums & Vivariums
Our terrarium potting mix is specially designed for moss, terrariums and vivariums, providing the perfect balance of moisture retention and drainage. Handmade by Highland Moss, this blend supports healthy root growth and helps create long-lasting, stable environments for your plants.
Developed and used in our own workshops, this mix is ideal for humidity-loving plants and closed terrarium setups where standard compost would not perform well.
Our terrarium potting mix is specially designed for moss, terrariums and vivariums, providing the right balance of moisture retention and drainage. Handmade by Highland Moss, this blend supports healthy root growth and helps create long-lasting, stable environments for your plants.
Why choose our terrarium soil?
✔️ Handmade by Highland Moss
✔️ Designed specifically for terrariums and moss
✔️ Balanced moisture retention and drainage
✔️ Suitable for vivariums and bioactive setups
✔️ Easy to use, ready to go
This premium blend helps prevent waterlogging while keeping enough moisture for moss and tropical plants to thrive. It creates a stable base layer that supports long-term plant health and reduces common issues caused by unsuitable soil.
What is it suitable for?
Perfect for terrariums, mossariums, vivariums, moss bowls and indoor plant displays. Ideal for moss, ferns and other humidity-loving plants.
Quick Care Guide
☀️ Light: Bright, indirect light
💧 Watering: Keep slightly moist, avoid overwatering
💦 Humidity: Prefers high humidity environments
🌱 Tip: Combine with sphagnum moss and a drainage layer for best results
All products from Highland Moss are packed using recyclable and reused materials where possible.
Sizes:
0.5L – Suitable for medium terrariums (for example 25cm height & 16cm base).
3L – Suitable for extra large terrariums or a few smaller ones.
15L – Ideal for multiple terrariums or family & kids workshops
Please note that in an effort to minimize packaging and waste in our shop, we may pack larger quantities of our products including soil, into larger bags. For example, if you order 2 bags of 0.5l, you may receive one bag with 1l of the product. This is to reduce the amount of packaging and waste and be more eco-friendly. If you have any concerns or special requests regarding the packaging of your order, please contact us before placing your order. We are committed to being environmentally responsible and appreciate your understanding. The terrarium’s growing medium is packaged in Ziplock bags that can be stored for a long time if not used. Keep them in a cool, dark place.
Need extra help
If you prefer a super easy way to start with your terrarium project, we also offer large, eco-glass terrarium kits that include everything you need to create a beautiful terrarium, from the closed container with a cork lid to the soil, moss, and plants. Our website also has an article on how to make a terrarium with step-by-step instructions, helpful advice, and answers to frequently asked questions to help you get started.
- What size of the potting mix should I choose for a medium-sized terrarium?
- The 0.5L size is suitable for medium terrariums, typically around 25cm in height and 16cm at the base. This amount provides adequate soil for establishing a healthy, thriving ecosystem.
- Is this potting mix suitable for both open and closed terrarium environments?
- Yes, this mix is expertly blended to support plant growth in both open and closed terrariums. It helps maintain the necessary moisture and humidity levels, making it versatile for different terrarium types.
- How should I store any unused potting mix to keep it fresh?
- Keep any unused soil in its original ziplock packaging and store it in a cool, dark place. This will help maintain its quality and ensure it remains usable for future projects.
Free Care Guide With Every Purchase
Scan the plant pot QR for instant access to our care guide for your plant. No hassle, no stress, just healthy and happy plants.
44 reviews for Terrarium, Vivarium and Mossarium Potting Mix Soil by Highland Moss
| 5 star | 97% | |
| 4 star | 2% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
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Terrarium, Vivarium and Mossarium Potting Mix Soil by Highland Moss
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Sale!
Budget-Friendly DIY Terrarium Kit with Imperfect Eco Glass
Original price was: £49.00.£40.00Current price is: £40.00.Select options This product has multiple variants. The options may be chosen on the product page -
We’re a small family business with a big love for plants.
From our base in Aberdeen, we pack every order with care and love. Our small size means we can be flexible with special requests, and we’re always happy to help. We reuse packaging, craft our own eco-friendly products, and offer friendly advice whenever you need it.
Excellent – I know I can rely on the quality of this soil