• Activated Charcoal For Plants Terrariums 100g

    Activated Charcoal For Plants Terrariums 100g

    £6.00

    Activated charcoal (charcoal heated to increase its adsorptive power) is a great house plant soil amendment that can help improve your plants health.

    • perfect to add as a layer for your open or closed terrarium
    • helps prevent mould and bacteria growth
    • improve water circulation and prevent overwatering

    Mix the charcoal with soil or add a layer on the bottom to improve drainage, absorb odours, and toxins and prevent moulds as well as balance/lower pH.

    It is an excellent absorbent which can absorb fertilizer and release slowly for a longer period providing a healthy dose on a regular basis.

    Perfect for mossariums and terrariums too!

    100g paper zip bag or plastic container

  • General Purpose Potting Compost

    General Purpose Potting Compost

    From: £3.50

    General Purpose Potting Soil – The Perfect Base for All Your Indoor and Outdoor Plants

    Our General Purpose Potting Soil is a versatile, high-quality, peat-free compost suitable for a wide variety of indoor and outdoor plants and herbs. Whether you’re potting houseplants, gardening on your patio, or planting trees and shrubs, this soil provides the ideal foundation for all your planting needs.

     

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Close-up of perlite, a lightweight, white, volcanic rock used in gardening to improve soil aeration and drainage.

    Perlite

    From: £3.50

    Perlite is a naturally occurring mineral, a mined volcanic rock. Perlite pearls are fluffy, lightweight, and extremely porous, with an amazing ability to retain water. Additionally, perlite improves aeration, helps loosen the soil, provides excellent drainage, and prevents soil compaction.

    It is ideal as a component of soil for Aroids, Calathea, Carnivorous plants, Succulents, and cacti. Perlite can be used in potting mixes for indoor and outdoor plants, creating a loose growing medium. It has a neutral pH of 7-7.5 is suitable for propagating cuttings and can be used in seeding trays. Remember to spray with water before handling or wear a mask to protect your airways while mixing perlite.

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Leca Clay Hydro Pebbles Small Grade

    Leca Clay Hydro Pebbles Small Grade

    From: £2.50

    Leca clay pebbles are a must-have for any plant pro! We have these balls available in the natural brown colour which makes your plant look even better!

    Smaller size pebbles will work perfectly for terrariums, as a soil topper, and for propagating and growing hydro smaller plats.

     

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Leca Clay Pebbles Hydro Balls Medium Grade

    Leca Clay Pebbles Hydro Balls Medium Grade

    From: £2.30

    Leca clay pebbles are a must-have for any plant pro! We have these balls available in the natural brown colour which makes your plant look even better!

     

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Vermiculite

    Vermiculite

    From: £4.00

    Vermiculite is a great option for plants that require a lot of water and thrive in moist soil.

    This lightweight material can retain a large amount of water because of its hydrophilic properties. When watered, the small golden pieces of vermiculite expand and hold moisture, gradually releasing it back into the soil even days after watering.

    It is particularly beneficial for plants such as ferns, calathea, maranta, peace lilies, and alocasia that need regular watering.

    Vermiculite is also suitable for use as a plant propagation medium and an effective medium for seeding trays. It helps maintain the moisture and nutrients necessary for young roots, which can easily die off in a dry growing medium.

    Using vermiculite can increase the success rate of growing plants from cuttings and seeds compared to using plain soil. It can be used alone or mixed with soil and other components. With a neutral pH of 7-7.5, vermiculite can be used for a wide variety of indoor and outdoor plants.

     

     

    Select optionsLoading Done This product has multiple variants. The options may be chosen on the product page
  • Layer Drainage Net Mesh Terrarium Bonsai Pots

    Layer Drainage Net Mesh Terrarium Bonsai Pots

    £3.00

    Perfect for mossariums, terrariums, succulent and bonsai pots with a large drainage holes. Easy use way of preventing soil from falling out from the pot though the hole or mixing layers of the terrariums. Ideal to lay between soil and activated charcoal or pebbles.

    How to use: select a suitable size, place the drainage nets inside the plant pot or terrarium, place next level of growing medium. The open mesh structure allows water and air circulation and at the same time prevents falling out medium though the drainage holes or mixing layers of terrariums set up.

    The pack contain 12 mesh circles in 2 different sizes: 6 x 5cm & 6 x 10cm

    Easy to use, suitable for indoor and outdoor.

     

  • Pine Orchid Bark Fine Grade 3L

    Pine Orchid Bark Fine Grade 3L

    £4.00

    Organic, fine, horticultural grade pine bark is suitable for Orchids, Hoya and other epiphytes. You can mix it with other components to create a potting mix for Syngonium, Monstera, Philodendron and other plants.

    Can be used in terrarium and vivarium.

    Using the pine bark on the top of the soil will help increase humidity around plants and keep the soil moist for longer!

    3L fill in an average size 17cm nursery pot or 3 x 10cm pots.

    Size: Fine grade

Browse collections

Join the thousands of happy plant lovers who have rated us ⭐⭐⭐⭐⭐!

At Highland Moss, we take pride in our plants, customer service, and expert care advice. But don’t just take our word for it, our community of plant lovers has spoken! With over 4400 verified 5-star reviews, our customers love our healthy moss and plants, expert packaging, and fast delivery.

Highland Moss
store rating4.94 / 5
product rating4.92 / 5
4790 reviews
Rob H.
Verified ownerVerified owner
5/5

Brought old open terrarium in dark corner back to life. It now has ‘hillocks’

Verified reviewVerified review – view original

12 hours ago
Denise
Verified ownerVerified owner
5/5

Happy with both my orders. Prompt delivery and packaged really well.

Verified reviewVerified review – view original

1 day ago

© 2025 Highland Moss Ltd, 61 Constitution Street, Aberdeen, AB24 5ET.

Registered Company Number SC717578 

VAT No. GB426029218