You get it at the Flower Shop in Goldenrod City that's right next to the gym.
Pokemon Heartgold and Soulsilver are the remakes of the old Pokemon Gold, Silver, and Crystal series. Pokemon Heartgold and Soulsilver are for the Nintendo DS.
In Pokémon HeartGold and SoulSilver, you first have to defeat Whitney (the Goldenrod Gym Leader) in a Gym Battle. Next head to the Flower Shop in Goldenrod City and talk to the lady there. She'll give you a SquirtBottle. Take it to the Sudowoodo and use the SquirtBottle on it. It'll challenge you to a battle. Defeat it or catch it and it'll be gone.
No, there are no underwater routes in Pokemon HeartGold or SoulSilver. The HM Dive is not available in Pokemon HeartGold or SoulSilver.
go to the flower shop in golden-rod city
he is not in Pokemon soulsilver or Pokemon heartgold
SOulsilver
That is impossible in Pokemon HeartGold and SoulSilver.
You can only go to Johto and Kanto in Pokemon Heartgold and Soulsilver
The card key in Pokemon Heartgold and Soulsilver is located in the Goldenrod Underground.
The Quick claw is located in the National Park in Pokemon Heartgold and Soulsilver.
Pokemon Soulsilver and Heartgold cost about 35 to 40 dollars on the US
You can't. You need to get Heatran from Pokemon Diamond, Pearl and Platinum and then trade to heartgold and soulsilver.