SneakGrow
You can accelerate growing for saplings and crops by sneaking
Features
What it does is add an easy way to make your saplings and crops grow better – by dancing around them! Simply crouch near your saplings or crops to increase their growth, the more active you are the better!
How to use
Hit Shift repeatedly!
Specifics
This mod senses crouching around saplings or crops. If you wish to change the sensitivity, there is an option in the config file.
It will also show bonemeal particles every time growth is accelerated, this can also be disabled in the config.