Here is the full list of all 33 Voodoo Garden achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
free 3 spirits
sell 7 trees
reach voodoo level 30
produce 10 000 items
produce 240 voodoo dolls
sell 3 herbs
plant 20 trees
collect 6666 mushrooms
sell 5 shrubs
plant 15 shrubs
collect 666 lizardtails
collect 2000 dragonflywings
click crocodile 30 times
collect 3333 roots
collect 1234 snailhouses
sacrifice 11 animals
plant 10 herbs
erect 7 totems
expand garden 20 times
reach voodoo level 20
expand garden 10 times
own 1 000 000 gold
collect 999 snaketeeth
collect 444 beenests
produce 1000 items
click skull 10 times
own 100 000 gold
reach voodoo level 10
scare 88 bats
produce 100 items
own 10 000 gold
collect 69 froglegs
restart game