Jack’s Classic Hydrangea Blue
JR Peters Jack’s Classic Hydrangea Blue 7-3-3 is unique combination of high quality nutrients, as well as, acidifying ingredients needed to produce a lush-leafed blue flowering hydrangea. This combined formulation of nutrients and acidic elements, along with the important addition of aluminum sulfate, will help your plants produce deep blue flowers. Available in a 1.5 pound container. 7-3-3
