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