Here is the full list of all 17 Grow Up achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Complete the game 100%
Complete all challenges
Collect all crystals
Unlock all telerouters
Complete a challenge holding a Critter
Take a critter to the moon
Rescue MOM
Flower all STARPLANTS
Orbit the entire planet in BALL mode
Discover the bull and the sheep
Discover letter block P
Unlock all seeds
Blast a critter 100m
Grab two Sporchids simultaneously and ride upwards for 400m
Plant 10 Champolines on top of each other
Throw 100 seeds whilst gliding
Visit all biomes