The future of organic gardening

Rich in microbes, minerals and organic nutrients, for stronger roots and bigger, healthier growth.

Shop now How it works

Glee Awards 2024 winner
Charles Dowding affiliated
OF&G approved

Gro Worm Black Gold Peat Free Organic Compost, 40 litre bag

Sustainably sourced100% organicMade in the UKOF&G certifiedMade by worms

Our best seller Gro Worm Black Gold Peat Free Organic Compost bag

Black Gold.

Charles Dowding's go-to compost for no-dig gardening. A rich, premium-grade blend with 30% pure worm casts.

100% peat free and organic
A season-long feed, no added fertiliser needed
Excellent moisture and nutrient retention
For sowing, potting, containers, baskets and beds

20L and 40L bags, from £5.99

Shop Black Gold The full Black Gold range

Shop by plant

Ericaceous

Orchids

Cactus & succulents

Citrus

House plants

Tomato feed

Soil Association approved

We're proud to carry the Soil Association's approval, the UK's most trusted mark for organic standards. It's independent assurance that what you're feeding your plants is genuinely organic, right through from worm to bag.

Worm power.

Our worm casts contain billions of beneficial microbes, chelated minerals and plant-available nutrients. Everything your plants need to thrive, from the roots up.

Discover how it works

8×More blooms

6×Stronger roots

4×Moisture retention

As printed on Gro Worm Black Gold 8 litre packs.