How to stop big deformed oak trees growing

[xothis_dwarf]

What is the best way to stop the big oak trees spawning that are hard to chop down?

 

[moon10k]

http://lmgtfy.com/?q=How+to+stop+big+deformed+oak+trees+growing

 

[Eqs]

Place a block 6 blocks above the sapling or just use google instead of wasting your time to make this thread.

 

[xothis_dwarf]

Thanks guys -_- but I don't want to put blocks above the saplings and I cannot find anything on google that has helped me yet.

Place a block 6 blocks above the sapling or just use google instead of wasting your time to make this thread.

http://lmgtfy.com/?q=How+to+stop+big+deformed+oak+trees+growing

 

[KirbyDogs]

...but I don't want to put blocks above the saplings...

Excuse me, really?