By Frederickaj
Merthyr Tydfil,
United Kingdom 
Can anyone recommend a " 12-4-8 " fertilizer for a blue hydrangea ?
9 Jun, 2013
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Hi Frederickaj, I would just use a general purpose slow release fertilizer such as growmore, and then use sequestrine or aluminium sulphate for the blue flowers that you want, Derek.
9 Jun, 2013