Why Are My Quaking Aspen Trees Leaves Turning Black

Question

These are young trees maybe two years old I

Answer 1

Unfortunately, your photos did not come through. I am unable to see the damage. Generally, black will indicate an overwatering issue, though.

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

https://www.gardeningknowhow.com/ornamental/trees/aspen/planting-quaking-aspen-tree.htm