A guy in our fruit growing club here said each blueberry he harvested from his own plants cost about $75.00.
I wouldn't prune a young bush just getting established. And they really are better if you fertilize with acid plant fertilizer. My mom lives a little inland from the coast in Southern California. She has some growing in large containers with nothing but peat moss as potting medium. She has her gardener give them acid fertilizer every time I visit. She gets large amounts of delicious fruit from bushes only 2 1/2' / 90cm tall and wide.
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