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coast of Maine | We grow lots of blueberries but not high bush,ours are rarely over 10 inches tall,carpets actually.That being said pruning is important,Yours appears way thick,Should look more like a small tree than a bush,when you prune you should see your house on the other side ,prune out in dormant times.Your new wood produces the fruit,cut out as much old wood as possible,will take 2 years of pruning to get back great.I doubt soil Ph is issue unles you have been dumping ashes or lime on it.Decades ago they had issues with wild ones in decline,,,they were using lime dust as a carrier for the insecticide dusting,,raised ph grass grew,ddt killed the bugs but the lime reduced berry vigor.Dont spray for fruit flies til you see blue berries,protect the bees as they are needed for god fruit set. | |
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