Description
Secret Feeds Herb Soil 3 Litre is a peat-free, free-draining potting mix made from compost, vermiculite, sand and perlite.

Soils & Potting Mixes · 3 Litre
Herb Soil
Secret Feeds Herb Premium Potting Mix (3 litres) is for flavourful, healthy herbs. A high-quality, peat-free, free-draining potting mix specially formulated for herbs.
It provides a suitable growing environment, encouraging strong root growth, healthy foliage and flavourful, aromatic herbs. Made in Britain.
The blend
What’s inside?
A peat-free, free-draining mix made from compost, vermiculite, sand and perlite.
The airy structure provides a balance of drainage and moisture retention to support healthy root growth.
Why growers use it
Why it works
- Free draining – helps reduce the risk of waterlogging.
- Airy texture – improves aeration around roots.
- Root support – encourages strong, healthy roots.
- Leafy growth – supports vigorous, healthy foliage.
The essentials
Herb Soil at a glance
Supplied in a brown kraft stand-up heat-seal pouch with the Secret Feeds label applied.
| Product | Herb Soil |
|---|---|
| Size | 3 Litre |
| Category | Soils & Potting Mixes |
| Blend | Compost, vermiculite, sand and perlite |
| Mix type | Peat-free, free-draining |
| Format | Brown kraft stand-up heat-seal pouch |
| Origin | Made in Britain |
Step by step
How to use Herb Soil
- Fill a clean container with Secret Feeds Herb Potting Mix.
- Gently firm and level the mix.
- Plant your herbs.
- Water thoroughly and allow excess water to drain away.
- Keep watered as required. Once established, feed during active growth with a suitable plant feed, following the instructions on the product.
Handy tip: For best results, use a container with drainage holes. For containers, ensure adequate drainage and do not allow them to stand in water. Harvest regularly to encourage fresh growth throughout the season.

Where it works best
Ideal for
- Pots and containers
- Herb planters
- Windowsills and balconies
- Indoors and outdoors
For general growing advice, see the RHS guide Growing herbs in containers.
Good to know
FAQ
What is in Secret Feeds Herb Soil?
A peat-free mix of compost, vermiculite, sand and perlite.
Can I grow herbs on a windowsill with this mix?
Yes. Windowsills and balconies, indoors and outdoors, are all listed on the label.
How do I keep my herbs producing?
Harvest regularly to encourage fresh growth throughout the season.
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