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