By taking an axe (or a chainsaw) and then cutting it down. You can always hire big buff people like mercenaries to pull the tree away.
Chat with our AI personalities
You can get Tropius in Heart Gold by the Pokewalker Tree House Routw or trade it from Saphire, Ruby or Emerald. Hop this helps :)
You beat the Goldenrod City gym leader(Whitney, in SoulSilver), go to the flower shop, get the squirt bottle, go to the tree, squirt the tree, it'll attack you.
He is in the souvenir shop with the wierd tree by it
Kurt is in Azalea Town, in the house in the top left corner with the apricorn tree behind it.
A rare Pokemon is on a honey tree when you see the tree shaking. (the more it shakes the rare the Pokemon )