Blood, Fish & Bone Fertiliser

Answered by Jo Posted in Category Soil, Feed & Fertilisers

Dear Harrod

I have a box of old Blood Fish and Bone – 5 years old and it has “melted”.  Can I mix it with water and use it for general floral garden use?

Thanks in anticipation.  Paul Overton

Dear Paul


You could certainly give it a try, but only on flowers, not on vegetables. 


Blood fish and bone is usually used in soil preparation and will take a little while to break down in the soil so I’m not sure how well it will mix with water.


Personally I would dispose of your melted box and start again with a fresh new one.


Kindest Regards




Jo Blackwell

Kitchen Gardener

Meet the Author: Jo Blackwell
Jo  Blackwell

Jo Blackwell is our well-established Horticultural Advisor and the Kitchen Gardener in Stephanie's Victorian style Kitchen Garden. She caught the gardening bug when she bought her first home 21 years ago. Her first greenhouse soon followed and she later gained her own allotment.


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