Name: Big Bill Livonia Michigan (Zone 6a) If you need to relax, grow plants!!
It can actually dry between waterings so it could be too wet.
But more importantly, they need 70F and up. Cool temperatures cause leaf drop and fruit loss! 8-9c is much too cold!!!
They need full, strong sunshine.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.