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I have an Annabelle Hydrangea, actually two of them, planted side by side on a slope on the north side of my porch. They get morning full sun and are never completely shaded. They form heads, but never bloom. I have tried fall pruning, no pruning and still get the same results. Any suggestions?

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1 Comment To "Hydrangea"

#1 Comment By theficuswrangler On 10/02/2014 @ 2:52 pm

Try increasing the phosphorous level. Best way to do this is working bone meal into the soil.

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