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