Yellow leaves on service berry shrub
We planted a service berry shrub in our back yard about 6 years ago (from Homestead Gardens). It is in partial shade, and is about 10' tall and 10' in diameter. It seems to be doing okay, but a couple years ago it got cedar hawthorn rust so we treated in the spring with fungicide, and that helped. We treated it again this spring with fungicide as a preventative. Recently, we noticed yellow leaves on the lower branches. Is this normal for early July, or is there something else going on with the health of the shrub? The leaves seem to fall off a few days after turning yellow. I fertilize it with tree and shrub fertilizer every spring, and water it well during dry spells. I've attached a few photos of the yellow leaves.
Anne Arundel County Maryland
We viewed your photos and the tree does not look that bad. In general yellowing leaves indicate a type of stress such as drought, planting too deeply, too much moisture, too much mulch, etc.
All you can do is keep the tree well watered during dry periods. Make sure mulch is no thicker than several inches and away from the base of the trunk. Do not over fertilize as this can make the tree susceptible to sucking insects.
Monitor the health of the tree and you can send us photos if symptoms progress.