Each spring, fruit trees and berries produce all the blossoms they can muster. By late June and early July, the fruitlets are forming and it’s time to thin them out. If pollinated, each bloom can produce fruit and, more important to the plant, lots of seeds. I’m referring to fruit trees, not berries, which are never thinned.

Seed and fruit production requires lots of energy from new photosynthesis or from stored resources in the roots.…