5 Best Grass Seed Cat Litters In 2020

by Evan

When you’re working with regular clay-based cat litter, scooping and pouring becomes impossible. The litter smells horrid, doesn’t clump, and produces so much dust that you’re practically suffocating yourself. Which is why people prefer natural plant-based cat litters.

Grass seed litter in particular is preferred for its high clumping and low dust formation. It’s natural and can be found GMO-free, which means there are no harmful additives in it. Grass seed can also be repurposed as compost for horticulture, and some can easily be flushed.

However, grass seed litter, since it’s so small and lightweight, tends to fall everywhere, known as tracking. Plus, it’s quite pricey. And should be avoided if you’re allergic to the ingredients.

But all things aside, which grass seed litter is the best for your cat? Here are the top 5 reviewed.

Quick Look

The 5 Best Grass Seed Cat Litters


Free from dust and allergens, this 100% natural grass seed litter is perfect for multiple cats.

So Phresh’s grass seed cat litter is best known for its extreme clumping capabilities. This cat litter is made from 100% grass seed framed in the USA. It’s designed to be ultra-light, so you can pack more in a 20-lb bag. However, keep in mind, lighter litter blows away easily.

This is the recommended cat litter choice if you have respiratory issues. Cat litter tends to pack a lot of dust. But the So Phresh cat litter is engineered to be 99.9% free from dust. So it’s great for people with asthma or bronchitis. 


  • 100% natural and irritant-free.
  • Great for multiple cats.
  • Works well for people with respiratory disorders.
  • More litter in one bag.


  • May get blown away and make a mess. 

This product is a good choice if you have multiple cats, and also if you have a respiratory disorder.


The SmartCat Litter is a fine choice for anyone who wants to get rid of odor and dust.

For those of you looking for a better alternative to clay-based litters, try the SmartCat. This is an all-natural grass seed litter that is free from Genetically Modified Organisms (GMOs). It’s well-known for its foul smell reduction and high clumping capabilities. 

What’s more…! This material is biodegradable and you can use it in your garden. It’s 99% free from all dust and allergens, making it suitable for people with allergies and asthma. But it is lightweight and tends to spread a lot.


  • Blocks odor and ammonic smell.
  • 100% organic, non-GMO.
  • Biodegradable and compostable.
  • Good for people with breathing problems.


  • Tracks everywhere, creating a mess.

Use this cat litter for when you have multiple cats that require clumping litter.


Good Earth combines gardening with cat litter and brings you a compostable grass seed litter.

The reason why many people choose grass seed is, the litter can be re-purposed in the garden. The Good Earth All-Natural Litter has been engineered with repurposing in mind. It has a high germination rate and you can conveniently use it in your yard or lawn.

As a litter, this package outperforms clay in both clumping and odor control. It’s 99% free from all allergens and resists the buildup of fecal dust too. It’s a verified non-GMO product, so you get the best litter choice for your cats.


  • Great for gardening and lawn-work.
  • Controls odor and unwanted smells.
  • Suitable for those with breathing problems.
  • Safe for your cats and yard.


  • The packaging is not recyclable.

It is a great choice for anyone who wants to keep their environment safe and healthy. 


For those looking for an all-round natural cat litter, this Frisco product may be the right choice.

Frisco’s all-natural cat litter has been designed to be of utmost convenience to its users. It features high absorbency that keeps it clumped. Although, it may produce more odor than usual. Not only that, but it’s also free from 99% of all dust, making the litter area a lot more manageable.

Along with that, the litter can also be used as natural compost, as it is 100% biodegradable. You can reuse it in your gardens or naturally throw it away with no fear of harming the environment. 


  • Free from dust, pollen, and allergens.
  • Easier to manage and clean up.
  • Clumps together for easier scooping.
  • Reusable as fertilizer.


  • May produce some odor.

The Frisco cat litter is great for those who like to keep their carpet and floor clean.


The Almo Nature is a highly absorbent cat litter that will take care of extra-stinky droppings.

For anyone who wants to get rid of unpleasant odors in their cat’s litter, try the Almo Nature Cat Litter. This litter makes use of specialized plant enzymes that act on odors and neutralize them. The inclusion of all-natural plant enzymes makes it 100% chemical and additive-free. 

The key difference between the Almo Nature and other litters is its biodegradability. It can not only compost but also flush without worrying about the ecosystem. The reason it’s so low on the list because it is not 100% dust-free. 


  • All-natural vegetable fiber and grass seed.
  • Best for absorbing exceptionally bad odors.
  • Easy to flush and compost
  • Clumps up and absorbs urine efficiently.


  • Not dust-free.

The Almo Nature is not a good product for people with breathing issues. It’s only for absorbing heavy odor.


There you have it. All the top 5 best grass seed cat litter have a unique identifying factor. But one product that stands out the most is the So Phresh.

This cat litter is the best all-rounder for grass seed litters. It has excellent odor reduction, can be utilized as compost and is practically dust-free. The only problem is that it, like most grass seed cat litters, it tends to have a higher tracking. Consequently, you’ll need to clean up more often.

But you should choose your cat litter based upon both you and your furry friends’ needs. So buy your own grass seed cat litter today and treat your pets with something new.

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