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The only thing I did different this year was, I added a small amount of wood ash from our wood stove to the base of the bushes this past winter. 😯

I don't have a wood stove so can't do that. I add organic fertilizer. Here is a recent post I did on blueberries if you're interested.

https://steemit.com/gardening/@garden-to-eat/blueberries-are-ripening