Read practical advice
Explore straightforward guides for choosing, using and caring for garden products.
Visit the Advice CentreCompost & growing media
Everything useful in one place, with the most important information kept separate from the buying controls above.
Westland John Innes Peat Free No.3 Mature Plant Compost nurtures and also sustains plants for a longer life. It has been developed specially to help mature plants and shrubs, with a long lasting and nutrient rich formulation.
With a four month feed it will sustain plants for longer, improve aeration as well as water management.
Q. What are the differences between John Innes Composts?
A. John Innes Composts are designed to be a life partner for plants. John Innes no 3 has a small amount of nutrients to encourage germination. John Innes no 1 has a little more nutrients, perfect for transplanting seedlings. John Innes no 2 is used for potting on young plants and John Innes No3, which has the most nutrients is best used for final potting up of plants.
Q. Will my pets or wildlife be attracted to this product?
A. John Innes No 3 Mature Plant Compost does not contain any organic elements so shouldn’t be attractive to animals
Q. Can I use this compost for my houseplants?
A. John Innes No 3 Mature Plant Compost is great for use with larger houseplants.

Choose with confidence
Use our advice to match compost and growing media to the job, or ask the team before choosing.
Explore straightforward guides for choosing, using and caring for garden products.
Visit the Advice CentreVisit Easy Garden to compare products in person and speak with our team.
Plan your visit