Here is the full list of all 26 Grow Home achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Collected all star seeds
Spent a total of 30 minutes gliding
Trigger over 100 altitude warnings
Glide under all the rock arches in the game
Climbed over 10000m on any surface
Used 50 fall flowers
Float a warble creature in an anti-gravity flower
Combo a mushroom bounce for 2 minutes without landing
Mission complete! You teleported a star seed home
Collected all 100 crystals
Make the Torro creature fall down the hole in the cave
Drowned 3 defenceless meep creatures. You monster!
Complete the Data Bank sub mission
Accumulated over 10 minutes airtime using the rocket-pack
Take a Meep creature for a flight for at least 10 seconds
Grown 50 star shoots
Catch and collect a falling leaf glider in mid-air
Bounced on 50 spring leaves
Suspend 5 different plants in the tele-router device
Deliver a Meep creature to the jaws of the SNAPDRAGON plant
Teleport with a meep creature
Freefall over 1000m and survive
Discover all caves
Have 3 star shoots growing at the same time
Make it through your first night.
Find a warble creature