Here is the full list of all 70 Kynseed achievements.
Plant 3 magic beans
Forge a 5 star item
Clear the story task The Encounter
Pass on the Kynseed
Give an NPC a disliked item for their birthday
Have a baby / adopt
Win one of the top 3 prizes in Squeal or No Squeal
Visit one of the secret markets
Specialise your shop
Clear the story task The Unwell
Clear Midwood after traveling as deep as you can
Clear Toughwood
Mine some ore during an Ore Rush
Fight during an Eclipse
Purchase an item from the Ghost Trader
Clear Simplewood after traveling as deep as you can
Clear Midwood
Travel to Evergreen
Get married
Cook a 5 star meal
Clear the story task A Missing Child
Defeat an elite monster
Receive a 5 star boon from a Goddess
Witness Tickling Tom Hookfingers scaring a villager
Purchase a shop
Clear the story task Murder Most Fowl
Fight during a Blood Moon
Encourage a villager to Like you
Clear Simplewood
Pick a flower during a Flower Bloom
Travel to Tir Na Nog
Become Friendly with a villager
Win an auction
Complete the Prologue
Travel to Briar
Purchase your first Fairweather item
Craft your first cure
Make an offering to the Goddesses
Form a bond of Love with a villager
Gift a villager one of their liked items
Cook your first meal
Forge your first item
Perform a favour or notice board task for an NPC
Learn a skill from a master
Discover all the map stones at a single location
Craft your first 5 star cure
Unlock all the perks for a shop
Gift a villager all of their liked items
Clear Toughwood after traveling as deep as you can
Discover all the map stones at every location
Travel to Voide
Discover all the date spots
Learn all the skills from a master
Learn all the skills from all the masters
Clear the story task Fool Me Twice
Clear the story task Burying The Past
Clear the story task Third Time Lucky
Clear the story task Charming The Wrym
Clear the story task The Jabberwock
Win the top prize on Marble Toss
Win a village competition
Rejuvenate a beloved animal
Attend the Summertide event for a second time
Take part in a dance
Take an egg from a Chicken Migration
Receive an item from a ghost during the Spirit Walk
Strike Fred Barleycorn
Catch a fish during a Fish Frenzy
Pick a mushroom during a Mushroom Sporing
Witness a Lucky Lucky Star