Q.Blueberries, How To Make Them Grow Bigger
The berries are tiny right now (end of July), how to make them grow bigger, and when to harvest Thank you.

Certified GKH Gardening Expert
Make sure your soil has the proper pH (between 4 and 5). If you only have one plant, adding a second and even a third bush will increase the berry size and amount of berries. These articles should help:
https://www.gardeningknowhow.com/edible/fruits/blueberries/tips-on-harvesting-blueberries.htm
https://www.gardeningknowhow.com/edible/fruits/blueberries/blueberry-fertilizer.htm
https://www.gardeningknowhow.com/edible/fruits/blueberries/lower-soil-ph-blueberries.htm
https://www.gardeningknowhow.com/edible/fruits/blueberries/blueberry-plant-pruning.htm
https://www.gardeningknowhow.com/edible/fruits/blueberries/growing-blueberry.htm