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