Smarty Branches Achievement in Plants vs. Zombies
Grow the Tree of Wisdom to at least 100 feet
How to unlock Smarty Branches
You will have to grow the tree of wisdom to 100 feet. Once you have completed adventure mode, the tree of wisdom is bought from crazy dave for $10,000. where it will then be located in the Zen Garden. You will then need to feed it tree of wisdom food. Each packet you feed it will raise its height by 1ft. Therefore you will need to purchase 100 packets. You start of with 5 so you will need to have $237,500 to purchase 95 more packets.