Here is the full list of all 22 Grow: Song of the Evertree achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Kick around items in the Gnome House
Create a Perfect World Seed for each World type
Unlock the Mountainside Ward
Unlock the Valley Province
Unlock the River Precinct
Unlock all building blueprints
Inspect 20 villagers
Unlock the Forest Region
Complete a relationship character to the "Friend Ending"
First Accident World Seed created
Build 20 buildings
Unlock the Plains District
Complete first district requests
Turn 100 items into Essences
Have 10 residents leave town
Befriend 5 critters
Walk a total of 1,000 miles
Use the Watering Can on a bed
Talk to 20 villagers
Walk 500 miles
Assign first villager to a house
Unlock Book