7 Best Poison for Squirrels 2024 Reviewed

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When those cunning squirrels start invading your yard or, worse, your house, they can leave behind a trail of damage. From eating your garden’s fruits to searching through your trash and even gnawing on insulations and wires, they can be a real nuisance.

And let’s be honest, these cute rodents are incredibly mischievous. They can easily outsmart most of the conventional traps or baits laid out for them, making it a real challenge to get rid of them.

But fear not! In this article, I’ve got your back with the best poisons or rodenticides that are specially created to tackle these cunning rodents.

So, let’s get into it!

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Reviews: 7 Best Poison for Squirrels in 2024 

So, what exactly are these squirrel poisons, or rodenticides? Well, most modern rodenticides are anticoagulants, and we all know what those are, right? Blood thinners! 

Simply, they interfere with the clotting process, making it difficult for rodents to stop bleeding. But here’s a handy video on these rodent-killing chemicals. 

1. Farnam Just One Bite II Bait Chunks

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This is one of the most effective and reliable rodent killers available on the market.

  • Farnam Just One Bite II Bait contains bromadiolone, which is very powerful and kills in just one feed.
  • This bait yields remarkable quick results that will turn your rodent concern into a thing of the past.

Bromadiolone will suffocate your squirrels to death within a few hours of ingesting.

Farnam Just One Bite II Bait is treated with S-methoprene to protect it against damage from insects. So, it is ideal for outdoor use to kill rodents in the yard.

Furthermore, Farnam’s just-one-bite II bait will enable you to eliminate warfarin-resistant rats. It’s advisable to place the bait in specific places, where your pets and kids cannot access it. The Good:

  • It features bromadiolone as the active ingredient which kills rodents in just one feed.
  • Ideal all kinds of rats with warfarin-resistant rats included
  • Able clear the entire rat population

The Bad:

  • Its cost is on the high side.
  • It is dangerous when consumed by pets or kids

Read Also: Rat Poison Reviewed

2. JT Eaton 709-N Squirrel Poison (Anti-Coagulalant)

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JT Eaton 709-PN Bait Block is an excellent rodenticide that does what it promises. With JT Eaton, squirrels will be a thing of the past in both your indoor and outdoor premises.

It’s formulated with peanut butter, which these little distractive creatures love to eat.

A first-generation anticoagulant, JT Eaton 709-N bait blocks, contains diphacinone as the active ingredient. This will kill small rodents slowly, a few days after feeding on them.

These little creatures can become a nuisance if not controlled and got rid of in time. Worry no more! JT Eaton 709-N bait blocks will be able to eliminate them slowly by slowly. The Good:

  • Pests are attracted to the flavor of peanut butter.
  • It kills slowly but very effectively.
  • Its diphacinone-loaded to kill small rodents
  • Easy to break into smaller chunks

The Bad:

  • Not ideal for large pests

Related: Check out the awesome mole traps

3. Motomco Bait 008-32345 Tomcat Rat/ Mouse/ Squirrel Bait

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Motomco bait is the ultimate solution if your squirrels are shying away from the conventional large bait chunks.

  • The bait is in the form of pellets, so it’s easy for the rodents to chew and run away with them.
  • A first-generation anticoagulant, the Motomco bait pellets, contains diphacinone as the active ingredient.

Therefore the poison becomes effective after several times feeding. In a few days, the poison will slowly suffocate the rodents, and they will start to disappear one by one.

The pellets have a plastic covering making them ideal for both indoor and outdoor applications.

Moreover, Motomco bait comes in bulk. Meaning it’s very economical to use it to eliminate squirrels and all types of rodents in your house and garden. The Good:

  • The bait contains diphacinone, which kills slowly but effectively.
  • It is very economical
  • Its plastic covering makes it suitable for all kinds of weather even during cold weather

The Bad:

  • Poison is only effective after several times of feeding.

Related: Top Ant Traps

4. NEOGEN Rodenticide Havoc Mouse & Rat Killer

NEOGEN Rodenticide is an excellent slow but effective rodent exterminator. Its active ingredient brodifacoum does exactly what it said. It’s meant to kill rodents a few days after ingestion.

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This Rodenticide comes in small packages that are conspicuously marked as poison for everyone to see and take caution. The small packages are convenient to lay out while they are tempting for squirrels to gnaw.

The packs are very safe to handle as they can be set without necessarily having to remove the bait. Once laid out, the pellets have the potential to lure or attract squirrels in their direction.

NEOGEN Rodenticide pellets are very effective when placed along paths frequented by squirrels or in their holes. They are versatile and therefore can be used both indoors and outdoors regardless of the season. The Good:

  • The bait is safe and convenient to set. You don’t have to remove it from the pack.
  • Very effective with just one-feed
  • Works after a few days

The Bad:

  • It’s very strong and thus harmful to human consumption


Read Also: Vacuum for Bed Bugs

5. 18lb Contrac Blox Rodenticide/ Squirrel Poison

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Contract Blox bait is a first-acting rodenticide able to suffocate rodents to death a few days after feeding on it.

  • The multi-edged rodent bait contains bromadiolone as the active ingredient making it possible to kill rodents in a single feed.
  • Usually, all rodents adore the taste of this bait, thanks to its subtle peanut butter aroma.

The all-weather bait can be placed either inside or outside, but it functions perfectly indoors.

Contract Blox bait is, however dangerous if consumed by your pets and kids. Thus it is recommended that you place the baits in specific bait stations where pets and kids cannot easily assess.

If the bait stays for 40 to 60 days without being consumed, you should change. This is because, beyond this period, the bait becomes sour and no longer attractive to rodents. The Good:

  • Contrac Blox bait is beautiful for rodents
  • It kills after just a few feeding.
  • It is all-weather
  • It has between 2-3 year shelf life if unopened
  • Less toxic to pets than other products available on the market

The Bad:

  • Available only in bucket size
  • Expensive

Read Also: Best Roach Bait Reviewed

6. Fasttrack Blox Rodenticide 

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Another excellent single-feed rodenticide! The fast-track box is the way to go if you want to eliminate squirrels and have a piece of mind.

Fasttrack Blox included bromethalin being its active ingredient. Thus, a single feed is just enough to suffocate the rodents to death. The design of the bait makes it easy for the rodent to bite from various edges.

A hole bored through the blocks enables mounting of the bait in the bait station or for use as a standalone bait. The Good:

  • It contains bromethalin, which is a fast-acting active ingredient.
  • It kills in just one feed.
  • Ideal for both indoors and outdoors
  • Features a hole for mounting on bait station or for use as standalone bait
  • It is cheaper considering it comes in 4-lb pails

The Bad:

  • Not ideal for large pests

7. FINAL All-Weather BLOX  

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FINAL All-Weather Blox is an extruded bait featuring brodifacoum as the active ingredient.

Brodifacoum is among the strongest single-feeding anticoagulant. Thus, FINAL BLOX can be used to control or eliminate even the most persistent and stubborn rodents on your premises.

Its distinctive cog-like shape easily recognizes FINAL BLOX. It is formulated with more than 16 food-grade ingredients to create a palatable flavor rodents can’t resist.

Compared to other brodifacoum baits in the market, the FINAL BLOX is the best. Each cog-shaped BLOX has multiple edges that rodents love to bite and is colored red for easy identification.

The active ingredient brodifacoum is an anticoagulant which, when ingested, causes death by hindering blood clotting.

This highly weatherable bait is not limited to wet or dry, indoor, or outdoor applications. A hole at the center allows for mounting on bait securing rods in tamper-resistant bait stations.

Final All-Weather BLOX contains vitamin K1 antidote in case of accidental ingestion by your pets. It is available in 18-lb and 4-lb pails. The Good:

  • It’s a strong single-feeding anticoagulant
  • Ideal for both indoors and outdoors
  • Features a hole for mounting on bait station or for use as standalone bait
  • Can be used to control or eliminate persistent rodents

The Bad:

  • It’s expensive

Read Also: Outdoor Rat Traps Reviewed


But no need to worry. This guide provides you with a list of the best poisons for squirrels.

  • They are formulated to kill squirrels within one feeding or after a few hours of feeding on it.
  • Remember to take the necessary safety precautions when dealing with hazardous substances.

As much as you want to get rid of squirrels, ensure that you keep the bait away from your kids and pets.