Why won't my hydrangea bloom?
Hardiness Zone: 6a
Sandee from Falcon, MO
I add 1 Tbsp. Epsom salt to a gallon of water and pour around the roots of my Hydrangeas once in the Fall and once in the Spring before they begin to leaf out. This has worked in making plants that were just all leaves and no flowers, bloom. It has also worked for my French Lilac plants which were not blooming at all. Try it. (07/14/2008)
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