Q.My Geranium Plants Are Loosing Their Leaves And The Stems Are Soft And Deteriating.
I live in zone 9. the plants were in pots outside. We had a period of time when we had a great deal of rain. Could that have caused rotting?

Certified GKH Gardening Expert
Yes, especially if the containers don't have adequate drainage holes. Fungicides may be necessary. Here are some articles that will help:
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/special/organic/biofungicide-information.htm
https://www.gardeningknowhow.com/ornamental/flowers/geranium/geranium-care.htm