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