Answer: Hydrangeas need sunshine in order to bloom. The best place is somewhere in your garden where it will get morning sun and then protection from hot afternoon sun. You probably won't need to feed your plant but if you decide to, use a half-strength dilution of liquid fertilizer (such as Miracle-Gro). Plants in containers are subject to burn if you use granulated fertilizer so I'd recommend using Miracle-Gro.
Best wishes with your hydrangea!
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