- Ideal for all onion, shallot, garlic and leek varieties grown outdoors. An organic granular fertiliser (NPK 4–6–12 + 4MgO) specifically formulated with essential nutrients in the correct balance, slowly released throughout the season to give tastier, higher quality onions and increased yields.
- Please note image for illustration purposes only
![Chempak Onion Fertiliser](http://batleydiy.co.uk/cdn/shop/files/266470_20211109115052_1024.png?v=1711552758&width=1445)
![Chempak Onion Fertiliser](http://batleydiy.co.uk/cdn/shop/files/266470_20211109115052_1024_ecee1f7b-6d33-4b6d-8da9-a86c515d621e.png?v=1723859356&width=1445)