Description
Secret Feeds Bonsai Soil 3 Litre is a free-draining potting mix made from bark, pumice and perlite.

Soils & Potting Mixes · 3 Litre
Bonsai Soil
Secret Feeds Bonsai Premium Potting Mix (3 litres) is for healthy, thriving bonsai. A free-draining bonsai mix made from bark, pumice and perlite, designed for trees that need airflow, root structure and balanced moisture.
This chunky blend helps support healthy roots and long-term bonsai development. Made in Britain.
The blend
What’s inside?
A carefully balanced blend of bark, pumice and perlite. Each component has been selected to provide excellent drainage, airflow and structure for bonsai trees.
This open, free-draining mix helps support a healthy root environment and balanced moisture levels.
Why growers use it
Why it works
- Free draining – allows excess water to drain away, helping to prevent waterlogging.
- Open structure – maintains airflow around roots for a healthy growing environment.
- Root support – helps support strong, healthy roots.
- Balanced moisture – helps retain moisture while remaining free draining.
The essentials
Bonsai Soil at a glance
Supplied in a brown kraft stand-up heat-seal pouch with the Secret Feeds label applied.
| Product | Bonsai Soil |
|---|---|
| Size | 3 Litre |
| Category | Soils & Potting Mixes |
| Blend | Bark, pumice and perlite |
| Mix type | Free-draining |
| Format | Brown kraft stand-up heat-seal pouch |
| Origin | Made in Britain |
Step by step
How to use Bonsai Soil
- Fill a clean container with Secret Feeds Bonsai Potting Mix.
- Gently firm and level the mix.
- Plant or repot your bonsai.
- Water thoroughly and allow excess water to drain away.
- Keep watered as required. Check the moisture level regularly as bonsai may need more frequent watering, depending on the species, pot size and growing conditions.
Handy tip: Use a container with drainage holes. Position your bonsai according to the light requirements of your bonsai species. Avoid letting plants stand in water.

Where it works best
Ideal for
- Bonsai trees (indoor and outdoor)
- A wide range of species
- Pots and training containers
- Repotting and ongoing care
- All stages of bonsai development
For general growing advice, see the RHS guide Bonsai: growing miniature trees.
Good to know
FAQ
What is in Secret Feeds Bonsai Soil?
A blend of bark, pumice and perlite, selected for drainage, airflow and structure.
Is it suitable for indoor and outdoor bonsai?
Yes. The label lists bonsai trees grown indoors and outdoors, across a wide range of species.
How often should I water my bonsai?
Check the moisture level regularly – bonsai may need more frequent watering depending on the species, pot size and growing conditions.
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