Use the squirtbottle on it.
There's a house at the top right of Goldenrod City. If you have a PLAINBADGE, the woman inside will give you a SQUIRTBOTTLE.
The same place you find him in gold, north of Goldenrod City. You have to beat Whitney and then get the Squirtbottle from the house behind the gym. Use it on Sudowoodo and he will attack you.
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.
go to the flower shop in golden-rod city
Use the squirtbottle on it.
Get the Squirtbottle from a lady in the town where Whitney is after beating her, and squirt the tree.
After defeating Whitney, head to the House on the top Right, and talk to the people in there, one of them will give you the Squirtbottle. When you make it to the 'Tree' use the Squirtbottle, it will awaken and attack.
There's a house at the top right of Goldenrod City. If you have a PLAINBADGE, the woman inside will give you a SQUIRTBOTTLE.
Use the squirtbottle.
Use the squirtbottle you get from a girl in a flower shop at goldernrod city.
The squirtbottle is given to a girl in the flower shop after beating Whitney the goldenrod city gym leader.
The same place you find him in gold, north of Goldenrod City. You have to beat Whitney and then get the Squirtbottle from the house behind the gym. Use it on Sudowoodo and he will attack you.
Water it with the squirtbottle
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.
go to the flower shop in golden-rod city
....there is no Wailmer pail, Wailmer wasn't thought of during this time.... I think the Item is the Squirtbottle, which can be found in the building by the gym in goldenrod city (after you met with the girl by the Sudowoodo)