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