What button do you use to cut down trees in Pokemon Crystal?

You don't use a button to cut down trees in Pokemon Crystal! You use a special item called the Chopping Tree.

Here's how it works:

1. Obtain the Chopping Tree: You get it from the Bug Catching Contest in Azalea Town.

2. Equip it: Select the Chopping Tree from your bag and choose "Use".

3. Chop away: Walk up to the tree you want to cut down, and it will automatically be chopped.

Let me know if you have any other questions about Pokemon Crystal!