Certified GKH Gardening Expert
Unfortunately, your photos did not come through. I am unable to see what is going on with your trees.
These symptoms sound like it could be a few different possible causes. This could be due to low soil nutrition, low sunlight, or a soil pH that is too far out of place.
https://www.gardeningknowhow.com/ornamental/trees/elm/lacebark-elm-information.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/test-soil-for-pests-and-diseases.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/making-sure-soil-drains-well.htm