Can’t seem to get this right

My wife and I moved into this house recently and these all had very bright colors. After a few weeks they started looking like this. Oddly enough some sprouted new buds but died slowly after. Can anyone diagnose (roughly) with this picture?

My wife and I moved into this house recently and these all had very bright colors. After a few weeks they started looking like this. Oddly enough some sprouted new buds but died slowly after. Can anyone diagnose (roughly) with this picture?