How can i increase the chance of spawning an tree guardian?

[Surikato]

Their @rses are living logs and they are useful as hell

[Khathuluu]

You can't. The only thing that increases is the potential number of them that can spawn at the same time. The longer you survive, the higher that number gets but the chance of spawning them will never change.

[Fecske]

You can change it in the world settings upon creating a new world. I believe you can also do this on an existing world by overwriting some of the save files, but I don't know how, if at all.

[ButterStuffed]

Poison Birchnuts get higher spawn chances depending on the season and amount of time has passed if you want to try that.

[no]

Plant a TON of trees together.
more trees = more chance for a treeguard

[Visualvengeance]

You can't spawn a tree before day 3, after day 3 there's a 1.33% chance to spawn after chopping down a tree. If you want to increase that percentage just chop down the aged trees, these are the trees which are about to age and "die", it's really effective because these trees still count as level 3 trees but they only take one chop to take down. Doing this I can usually spawn a treeguardian buy day 7-10 if I find a lot of aged trees and am lucky.