Here is the full list of all 40 Wylde Flowers achievements.
Marry Kim
Get engaged to be married
Turn the season to Spring again
Form a romantic partnership
Build the greenhouse
Start dating someone
Get gold stars on all 20 mine collection boards
Complete 20 bulletins
Make an intimate friend
Restore the barn
Construct a larger garden plot
Make a good friend
Turn the season to Fall
Fly the broomstick for the first time
Restore the chicken coop
Shapeshift into a cat
Discover the identity of all coven members
Repair the mountain bridge
Upgrade the tool shed
Restore the ranch
Turn the season to Summer
Adopt the cat
Make a casual friend
Cast the initiation rite
Make a new acquaintance
Start your farming life
Meet all of the residents of Fairhaven
Discover Gramma's basement
Marry Amira
Marry Cameron
Marry Damon
Marry Giva
Marry Kai
Marry Westley
Cook every recipe
Craft every item
Catch every type of fish
Discover everyone's favorite foods
Grow 20 flowers at once
Complete 100 bulletins