I have some of this on the evergreens that came up early - since we had all that warm weather and then a freeze...then not much moisture over the winter and not alot of rain this spring... I see some are stressed and have leaves like this. I am north of you in MN!
"Remember this: Whoever sows sparingly will also reap sparingly, and whoever sows generously will also reap generously."
2 Corinthians 9:6