calyx browning

Hello all, Firstly, thanks for taking the time to read my post. First time poster and grower here. I am growing Amnesia Haze Auto and have made almost all rookie mistakes someone can make barring overwatering. Now this plant is 8 weeks old and honestly, I'm not sure why I haven't got buds...

The just starting to grow buds are browning and the white pistols are turning dark brown and shriveling. The browning is only where the buds are and slightly on the leaves around the calyx area. It starts lower on the plant and works its way to the top. We need help. Outdoor plants planted in...