Q.We have a Weigela that appears to have some kind of black disease, have you ever seen it?
My Weigela has a black growth on the branches, however, it did bloom this year. I cut back several dead branches earlier but I did not see this black growth which could be a black slimy fungus (it looks like black molasses) possibly. The branch just snapped off. Has anyone ever seen something like this? It is now dark here so I will post pictures on Tuesday.
Thank you,
Jeanne

Certified GKH Gardening Expert
A picture would ,certainly, help me here. A few things come to mind, but it would be hard to say without seeing it. Once I get a good look at the issue I will be more than happy to help.
In the meantime, this article will offer you some useful information on the care of Weigela: https://www.gardeningknowhow.com/ornamental/shrubs/weigela/growing-weigela.htm