Blueberry fruit started out big then as time went by became smaller.
There were still many berries but they wouldn't get big like the earliest berries. What should I do to continue large berries? Tons of berries on the ends of branches stayed tiny.
Certified GKH Gardening Expert
If you don't fertilize with blueberry fertilizer regularly, then will likely be the issue.
Here is an article that will help: https://www.gardeningknowhow.com/edible/fruits/blueberries/blueberry-fertilizer.htm