Streptocarpus Beryl

I bought 5, Beryl, Amy, Eira, Mona and Zoe. Unfortunately Beryl failed after a week while the others have thrived. They were all in the same tray so watering the same. A quandry. The names are mine and 3 of my 4 dogs. The only one missing is Penny. The 4 I have are beautiful.

I bought 4 plug plants. Very small, but all going well. 3 have flowers or buds, after two weeks. Only Susan still to flower. All strong and healthy.

The plugs arrived with 2 leaves and were planted immediately. As the first new leaf immerges it appears to be diseased!! I'm keeping everything crossed that the plant develops into a healthy plant but who knows?!!