Here is the full list of all 100 Pesticide Not Required achievements.
Win a run as Penelhoppe
Win a run as Truffle
Win a run as Swifty
Win a run as Pumpkin
Win a run as Bean
Win a run as Hue Mann
Win a run as Plotty
Win a run as James Pond
Eliminate a boss within 5 seconds of it spawning
Win a run as Sprout
Win a run without scaring any ducks
Win a run without eliminating any pests on Day 1
Win a run with 3 or less weapons
Win a run with 2 or less weapons
Win a run with only 1 weapon
Stand still for 100 seconds
Finish a run without getting hit
Survive Winter IV
Buy 10 pieces of decor
Harvest 500 crops in a single run
Survive Autumn IV
Survive Summer IV
Eliminate 10,000 or more pests in a single run
Reach 100% or higher Projectile Speed
Buy 5 pet cosmetics
Survive Spring IV
Win a run with 500,000 or more coins remaining
Reach 50% or higher Enemy Spawns
Reach level 90 in a single run
Win a run as Sir Hopselot
Reach 75% or higher Move Speed
Survive Winter III
Fill out the entire compendium
Find every unique Winter fish
Win a run as Greg From Accounting
Survive Summer III
Win a run as Mignon
Survive Spring III
Fill all 48 plots with the same crop
Pet Rosco 100 times during a single run
Win a run as Stripe
Survive Autumn III
Harvest at least 1 of each unique crop in a single run
Find every unique Autumn fish
Win a run as Finn
Survive Spring II
Reach 75% or higher Coin Gain
Find every unique Spring fish
Win a run as Collier
Survive Winter II
Win a run as Squeegee
Survive Summer II
Win a run as Bubba
Survive Autumn II
Reach max level on Bouncy Ball
Find each unique ore type
Win a run as Furog
Survive Winter I
Reach max level on Mower Blades
Land a triple critical hit
Reach max level on Boomerang
Reach max level on Wood Axe
Win a run as Billybob
Survive Spring I
Reach level 70 in a single run
Reach 75% or higher Crop Yield
Reach max level on Bonk Hammer
Reach max level on Lawnmower
Reach max level on Scarecrow
Find every unique Summer fish
Mine 50 Ore in a single run
Reach 20 water capacity
Reach 75% or higher Crop Growth Speed
Reach max level on Katana
Reach max level on Water Beam
Reach max level on Toad Oil
Reach max level on Yoyo
Win a run as Dr. Hopps
Survive Autumn I
Eliminate a boss while WUMBO
Win a run while under 10% health
Reach max level on Mole Turret
Catch 50 fish in a single run
Reach max level on Pitchfork
Reach max level on Tadpole Spew
Reach max level on Bombs
Reach max level on Haybale
Reach 200 or higher Max Health
Reach 75% or higher Resistance
Win a run as Joe
Survive Summer I
Reach max level on Twin Scythes
Win a run with under 100 crop harvests
Collect 20 apples in a single run
Get 10 pets in a single run
Plant 50 crops in one day
Reach max level on Fairy Dance
Reach max level on Tongue Lash
Occupy all 48 farming plots at once
Reach max level on Weed Wacker