You must first go to one of the buildings in goldenrod city, the one with all the flowers and a lady tending to them, she will give you the "Squirtbottle" (only if you have whiteny's gym badge ,goldenrod city badge)then go back to the tree (which is actually the Pokemon Sudowoodo) and use the squirtbottle on it. you might want to save before you do cause you can always catch the Pokemon and raise it.
Chat with our AI personalities
beat the goldenrod gym then go to the flower shop in goldenrod and she'll give you the squirt bottle
You go to the flower shop in goldenrod city and ask one of the girls in the shop. it can be used to cet past the moving tree on rute 36.
The Name Rater is in Goldenrod City, in that purple tent thing past the train station.
Surf down from Olivine City, past the Whirl Islands, until you get to an island. This is Cianwood City!
I think you're talking about the radio tower in Goldenrod City. You have to go to the underground tunnel in Goldenrod and talk to the Team Rocket person. They'll give you a team rocket uniform then you can get past the guard.