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