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