I don't know which game you're talking about, but these are all of the most recent games in the past 15 years.
Firered/Leafgreen: Walk to Misty, battle two trainers.
Ruby/Sapphire/Emerald: Battling trainers give you more light. You'll eventually find Brawly.
Pearl/Diamond: Battle all of the trainers in the room, then Gardenia will appear.
Platinum: Battle each of the four trainers, and the Floral Clock will eventually turn to Gardenia.
You go to the top of mt. coronet and battle team galactic and when you're done and you beat them you battle dialga. catch it and go to sunyshore city. p.s. on your way up it will look like your in snowpoint city but your not so keep going up.
When you go in the scientist will show you around. Then go into the door he stops at and talk to the dude on the right. He will give you a fresh water. Face the guy and walk to the bookshelf on the bottom right. When it asks Do you want to read it? Say yes. It will ask a question. Go to the bookshelf right above it. It will ask ANOTHER question. Go to the bookshelf right above THAT one. It will ask a question. Go to the bookshelf at the BOTTOM left. It will say something about moving. Just go to the bookshelf right above it. I am not sure but you might have to battle the scientist and girl. then they will move. For the last one. the bookshelf will move let and you will find the Gym Leader. And you are done!
P.S. Log on to the Cgear strip with the lines at 12:00 pm every day to see me. My name on the game is Cody.
walk in the gym
The second gym is in Eterna City. The gym leader is Gardenia, who specializes in Grass-type Pokemon.
first of all, the other people in the second gym leader's gym are not gym leaders. they are just trainers who use grass-type pokemon, just like the gym leader. they are sometimes hidden behind trees and one or two is hidden in some flowers.
its a normal type gym leader named lenora, gives out basic badge
you have to beat the gym leader
The second gym leader is brawley of Dewford town. You will come to the PetalburgGym second, but that's the last gym leader you'll battle.
The second gym is the Dewford Town Gym with Gym Leader Brawly.
The Second Leader Is In Eterna City
walk in the gym
Eterna's gym leader can be found in the Eterna Gym After defeating the three trainers hiding in the trees inside the gym you can find the gym leader at the northern (upper) part of the gym.
He is in the lighthouse
Step on the portals until you get to the gym leader.
The Pokémon the second Gym Leader has in "Diamond" are Cherubi, Turtwig and Roserade.
Lenora, the second gym leader, is found in her gym AKA the museum in Nacrene City.
The second gym is in Eterna City. The gym leader is Gardenia, who specializes in Grass-type Pokemon.
Danny
first of all, the other people in the second gym leader's gym are not gym leaders. they are just trainers who use grass-type pokemon, just like the gym leader. they are sometimes hidden behind trees and one or two is hidden in some flowers.