Ophrys tenthretinifera tuber purchased from Laneside Orchids and delivered on 16th August. I also purchased an O. bombyliflora tuber at the same time.
I have planted in a clay pot in the following mix:
0.5 parts Perlite
0.5 parts seramis
2 parts grit
2 parts sylvamix
1 - 1.5 scoops of rootgrow