I f you are fighting her, then in Fuchsia city. But if you mean to get her number, you have to go to Petalburg city, than go up the route on the left and enter the building. She is there.
She's the one in the very middle of the gym.
There is no mossy rock in HeartGold. There is not one in SoulSilver, either. A mossy rock is only found in Pokemon Diamond and Pearl. You must trade for a Leafeon to get one in Pokemon HeartGold.
you will have to transfer one from Pokemon diamond, pearl,platinum,soulsilver,and heartgold
yes
Well SoulSilver and HeartGold are somewhat the same and in HeartGold you can get Magikarp, Goldeen, Seaking, Chinchou (One's ive seen) and in Lake Rage you can get a shining Gyarados.
Teddiursa is only available in SoulSilver. There are many Pokemon that are version-specific, and Teddiursa is one of them. Only Phanphy can be found in HeartGold.
Trade for one.
a Japanese one
One.
In HeartGold and SoulSilver, she does not battle you - which might be one of the reasons why she doesn't have a starter pokemon. Instead, she has a Marill.
You can get a level one hundred Pokemon in HeartGold the same way that you can get a Pokemon of that level in other games. You have to level them up until they reach it.
one and one only
You can't find it naturally in HeartGold. It is a Pokemon found only in Sinnoh. But you can trade if from Pokemon Diamond, Pearl, or Platinum if you do want one.
There is one in Cerulean Cave.
You cannot get one.
Kakuna can only be found in Pokemon SoulSilver. Metapod, however, can be caught in HeartGold. To get a kakuna, you must trade for one. Kakuna is one of the many version-specific Pokemon.
Yes, you can capture Heracross in Pokemon HeartGold (And in Pokemon SoulSilver). You must go to Azalea Town and heabutt into the trees there, and eventually you will encounter one.
There is no mossy rock in HeartGold. There is not one in SoulSilver, either. A mossy rock is only found in Pokemon Diamond and Pearl. You must trade for a Leafeon to get one in Pokemon HeartGold.