You need to get the tea from the lady from the lady in Celadon City in the big building.
You must get the silph scope and poke flute plus beat team rocket at the celadon game corner and Pokemon tower then you can go in silph co.
All you need to do is find Giovanni and defeat him.
Silph co is in saffron city.
there is no silph co in that game
Go to the Silph Co. in celadon and get the sliph scope.
you get it in silph co
Sabrina is not in silph co she's in the gym.
no you will not meet Gary at the Silph Co. you will be battling Giovanni there.
The silph scope is not in silph co its in the game corner.
You have to go to Silph Co in Pokemon LeafGreen. You have to go there to get the Silph scope, which you need to advance.
On the 5th floor of silph co.
you defeat Pokemon trainer red and then he comes to silph co