How difficult is it for a German to get a PhD position at an elite Swiss university?

Is it even worth trying or is it impossible? For example, I found this note on the ETH Zurich website: Due to the high number of applicants, competition for the limited number of study places is fierce. Doctoral students receive an attractive salary that comfortably covers the cost of living in Switzerland. A doctoral program…

Which flowers or plants are native and good for insects in Switzerland?

I'm currently putting together an Advent calendar for a friend. I want to give him various seeds for his property. He lives in Switzerland. It's important that the flowers are native to Switzerland and valuable to insects and animals. Is there a good source where I could find such a list?