Why Does My Streptocarpus Have Oddly Shaped And Discoloured Leaves And Why Do The Newly Budding Flowers Drop Off?

Question

I water my plant once a week and it lives on a west facing windowsill.

Answer 1

Unfortunately, without photos it will be hard to say what has happened to your plant. Most often, overwatering, or poor soil nutrition will be to blame. Here are some articles that will help:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/test-soil-for-pests-and-diseases.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/making-sure-soil-drains-well.htm

https://www.gardeningknowhow.com/houseplants/streptocarpus-plants/care-for-streptocarpus.htm