Jajaja, I'm so sorry about the seeds. None of them look correct for the name supplied.
Perhaps you can get enough growth on the Dahlias before frost so that they will form tubers. Then you can store the tubers inside over the winter and get blooms next summer.
There is a lovely lady in Belgium that sells seeds collected from her own garden. She has Drumstick Primula as well as many other interesting species for sale. You would get the correct seeds from her.
http://www.seedsite.eu/product...
