Why Do My Flowers Turn Brown?

Question

I have an Azalea and a Gardenia tree. Both had beautiful white flowers but they are all turning brown, spotty at first, which then spreads to the whole flower. The leaves look fine and are still green though. The Azalea is in full shade. The Gardenia Tree in partial shade. I’m wondering if it’s a fungus infection. I’m attaching pictures.

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Answer 1

This will be Azalea Petal Blight. Here is an article that will help:

https://www.gardeningknowhow.com/ornamental/shrubs/azalea/brown-azalea-blossoms.htm