Here is the full list of all 29 Mike's Garden achievements.
Played your first game
Scored first flowers
Gave up
Matched 6 plants
Matched 7 plants
Matched 8 plants
Matched 9 plants
Matched 13 plants
Cleaned all the board
Reached level 5 without using tools
2 streak combo
3 streak combo
4 streak combo
5 streak combo
Matched 10 plants
6 streak combo
7 streak combo
Matched 17 plants
Unlock the spinner plant
Game over, nature wins
This isn't Plant vs. Zombies
Not Quinoa
Completed all quests!
Equipped 5 tools
Scored more than 150 in one move
Unlocked all tools
Unlocked all plants
Reached Level 5
Matched 5 plants