Ultra Grow Spray

https://growtopiawiki.nbg1.your-objectstorage.com/uploads/8/8f/ItemSprites.png Combination
In any Chemical Combiner, mix together...
https://growtopiawiki.nbg1.your-objectstorage.com/uploads/8/8f/ItemSprites.png Songpyeon (×20),
https://growtopiawiki.nbg1.your-objectstorage.com/uploads/8/8f/ItemSprites.png Prosperity Mooncake (×20) and
https://growtopiawiki.nbg1.your-objectstorage.com/uploads/8/8f/ItemSprites.png Longevity Mooncake (×20).
This recipe will yield 1 item.

The Ultra Grow Spray is a consumable added during Harvest Festival 2013. Upon using it on a tree, it will speed up the tree's growth by thirty days.