Pruning blueberry bushes
Thanks for your question about when to prune blueberries. The answer is - now! Anytime in late winter is perfect, and with the very mild winter we are having, earlier is probably better.
You can take a look at this Extension publication, Growing Blueberries in Your Home Garden for all the details about growing blueberries. https://catalog.extension.oregonstate.edu/ec1304/html