use fire types for her magnemites then use a ground type for steelix
Chat with our AI personalities
The only way you can get one in Heartgold is Jasmine will trade you one with her Steelix in the National Park (she'll offer it after you beat her for the second time)
building near Pokemon center on cinnabar island
After you beat Jasmine you go back to the city with gym leader Morty and to right of it which will lead you to Mohagany Town! Where you will face Pyrce (ice types)!! Hope I helped! :D
Surf to Cianwood City, there is a pharmacy there and the guy inside will give you secret medicine.
Defeat Jasmine a olivine city.then youll get iron tail.