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
plant 20 trees
reach voodoo level 30
produce 240 voodoo dolls
produce 10 000 items
plant 15 shrubs
sell 5 shrubs
sell 3 herbs
expand garden 20 times
sell 7 trees
expand garden 10 times
collect 666 lizardtails
collect 1234 snailhouses
collect 2000 dragonflywings
collect 6666 mushrooms
sacrifice 11 animals
erect 7 totems
plant 10 herbs
own 1 000 000 gold
collect 3333 roots
reach voodoo level 20
collect 999 snaketeeth
click skull 10 times
click crocodile 30 times
own 100 000 gold
produce 1000 items
collect 444 beenests
restart game
reach voodoo level 10
scare 88 bats
own 10 000 gold
collect 69 froglegs
produce 100 items