Spiderwort Buds Dry Up, WHY?

Question

I have several (actually too many) spiderwort plants and divide them every 2-3 years. However they now seem to make way too many buds, but almost all of the buds now simply dry up and not bloom. I did note some black area when pulling down a “leaf” and I wonder if they are infected with something. They used to be so beautiful. The one or two buds that do bloom are very small.

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Answer 1

This does appear to be an infection. This happens when soils remains too moist for too long without a period to dry out.

Fungicides will be in order, here.

These articles will help:

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

https://www.gardeningknowhow.com/special/organic/biofungicide-information.htm