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My climbing hydrangea will not flower!!
in Plants
The plant is about 5ft high and maybe 6 ft across, trained onto a west facing brick wall. It's been there for 4 years or so, growing happily but being ever so stingy with the flowers! Last year I had 6 blooms, this year I can only see 2 flower buds. I only prune stems that come directly out from the wall, and to stop it getting too high.
I'm not giving it too much nitrogen feed, so what am I doing wrong? (I warned it last year if it didn't buck it's ideas up, it's curtains)

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Also could be dry especially as it will be in a rain shadow.
You could give it a handful of sulphate of potash every month.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.