Welcome to the John Innes Manufacturers’ Association page where you can find information on John Innes loam-based composts, how to use them and details of manufacturer members.

Also available are full details of the Suppliers (JIMA members) whose products carry the JIMA Seal of Approval®, together with links to their websites.

The Benefits of John Innes Loam-based Composts:
  • Traditional soil-based growing medium
  • Easier to manage watering and feeding
  • Excellent long-term plant growth
  • Provides stability for large or tall plants
  • A natural medium for growing plants
  • Tried and tested for over 60 years