Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

4 Types of Cat Grass: Vet-Reviewed Growing Tips & What to Avoid

Share

cat eat young wheatgrass

It’s not every cat’s favorite treat, but many cats love snacking on fresh grass. Fresh grass is an important source of fiber for animals, aiding digestion, and cats use it to help vomit up hairballs, too. Cats obtain beneficial micronutrients like folic acid, trace minerals, and vitamins from chewing on grass.

Fiber improves their digestion and prevents constipation and excessive hairball formation. Wild and domestic cats chew on grass, and we recommend growing chemical-free grass at your house to prevent your cat from seeking potentially toxic lawn grass elsewhere.

In this article, we’ll discuss which grasses to avoid and the four best cat grasses you can start growing today. Read on for the details.

divider 3 paws

Types of Grass to Avoid

Some types of grass aren’t beneficial, and some are toxic to cats. Before choosing a grass, you should learn which types to avoid.

What to Avoid:
  • Lawn seed: These small seeds can become stuck in your cat’s mouth or stomach. Lawn grass is often treated with pesticides and other harmful chemicals that may be quite toxic to cats.
  • Bermuda grass: This common residential grass isn’t toxic to cats by itself, but the pesticides used to treat it are.
  • Grass with descriptors like tall and sweet: There’s no way to identify exactly what types of seeds are included, so it’s best to stay away from generic grass seeds.

divider 3 paws

The 4 Types of Cat Grass

1. Oat Grass

oat grass in clay pot
Photo Credit: Klemenso, Shutterstock
Scientific name Arrhenatherum
Height 2 feet

This sweet grass is a favorite among picky cats, although cats do not have sweet taste receptors. It’s faster growing than other grasses but doesn’t last as long, making it a nice occasional snack for your cat. Like other grass, oat grass is helpful for cats who need a bit of fiber in their diet.


2. Wheat Grass

triticum spelta
Photo Credit: googlestock, Shutterstock
Scientific name Triticum aestivum
Height Preferably 4–6 inches

Wheat grass contains fiber, various micronutrients, vitamins, and minerals. It grows quickly and easily. Many varieties of wheat grass are popular with cats.


3. Orchard Grass

cats eating Wheatgrass
Photo Credit: w.karntaweepong, Shutterstock
Scientific name Dactylis glomerata
Height Can grow up to 24-48 inches

Also called crow’s foot, this cat grass is the quintessential variety for felines. It hangs around for a long time in the early cool spring season, giving your cat plenty of roughage. Orchard grass is thinner than other grasses but more fibrous, and most cats enjoy it. It is easy to care for, requiring moderate sun and consistent moisture to thrive.


4. Barley Grass

barley grass
Image Credit: Steinbach, Shutterstock
Scientific name Hordeum vulgare
Height 2-4 feet

Barley grass is one of the tallest-growing cat grasses, and it produces a healthy supply of greenery for your cat’s diet. Barley can often be mixed with other types of grass, such as oat and wheat, and it contains many of the same nutrients. You can’t go wrong with barley if you’re unsure about which grass to grow for your cat.

divider 3 paws

Tips for Growing Cat Grass

Cat grass can be grown outdoors, but we recommend growing it indoors in planting trays. It only requires moderate sunlight to grow, and clear trays allow you to regulate the water intake. While you’re buying planting trays, you might also consider growing microgreens for your culinary use.

Growing cat grass is very easy and straightforward, requiring minimal gardening supplies or experience. You simply soak the seeds in a wet, moist environment until they sprout—wet napkins are a popular choice. After they germinate, plant them in a pot or tray of soil. Plant them very shallowly, as grasses don’t have deep roots.

Possible Risks Associated With Cat Grass

Eating too much cat grass at once is not healthy. Grass is not digestible and may lead to a blockage in the cat’s stomach and intestines, requiring surgery or endoscopy. 

Inspect your grass regularly for mold, which can also make your cat ill. Some cats that start eating grass may also become very interested in chomping on other plants in the house, and they will not distinguish between the safe and toxic ones. 

Make sure you’re familiar with the toxic plants for cats, such as lilies, and do not keep them if you have a cat, as you can never be sure they won’t get to them and be exposed by either eating a part of the plant, getting pollen on their face and skin, or inhaling some. Some species can cause life-threatening effects in your kitty.

Sometimes, a longer grass blade can get stuck at the back of the cat’s mouth, behind the soft palate, leading to signs of exaggerated and excessive swallowing, drooling, gagging, retching, nasal discharge, sneezing, or vomiting. This will require veterinary attention.

If you are concerned about the health and well-being of your pet, seek veterinary advice for the best course of action.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

divider 3 paws

Conclusion

Cat grass is a small but useful part of any feline’s diet. They need a primarily meat-based diet, but a bit of green roughage may help their digestion and make hairballs less of a pain. Too much can cause a gastrointestinal blockage and other digestive signs, so make sure your cat isn’t constantly chowing down on your cat grass as it grows.


Featured Image Credit: QueenNuna, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Ask Dr. Paola – Help! My Momma Cat Is Very Thin! (May 18, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

The Cat Biting Mistakes Most Owners Make (And What Works Instead)

Cat bites sent more than 400,000 people to emergency rooms in the US each year.1 Not scratches. Bites. And the reason they’re so...

Do Cats Cause Schizophrenia? Scientists Find a Link – Here’s What It Means

Being a fierce advocate (and occasional recipient of) mental health support and awareness, the term ‘crazy’ is not one I like to fling...

One in 100 Cats Gets Diabetes – Here’s How to Catch It Early

One in every 100 cats develops diabetes.1 That’s not a rare, unlucky condition reserved for cats with obvious health problems. It’s common enough...

More related

Why Do Feral Cats Cry at Night – 7 Vet Reviewed Reasons

Have you ever been kept up at night with the sounds of cats vocalizing outside your bedroom window? We’ve all been there, which...

Meditation and Cats: A Reflection

Hi, I’m Dr. Lauren! Read my introduction to learn more about me and my two adventurous cats, Pancake and Tiller. I have lived...

Can Cats Be Hermaphrodites? Vet-Approved Feline Facts

Cat lovers who spend a lot of their time learning about their feline friends have probably heard tales of hermaphrodite cats that have...

Why Do Cats Like Sitting on Laps? 5 Vet-Verified Reasons

Cats generally love to curl up and sit on laps, and it’s a favorite feline activity. If you have a lap cat at...

Keep reading

Will a Cat Eat Rat Poison? How to Use It Safely Around Them

Everyone has heard the old adage that curiosity killed the cat, but anyone who’s spent time around cats knows just how dangerously curious they can be. Cats lack the same type of self-preservation that humans have, which often leads them...

Poison for mice in a cardboard box

Can Cats Eat Tapioca? Vet-Approved Nutrition Facts

If you’re wondering if your kitty can lap up a bit of your tapioca pudding without getting sick or poisoned, you’ve come to the right place. Tapioca is not toxic to cats, and in fact, it is found in the...

Can Cats Eat Tapioca

How Old Do Cats Have to Be to Get Pregnant? Vet-Reviewed Science & Facts

A cat’s fertility and reproduction remain unrivalled as kittens grow into sexual maturity sooner than you might expect – as young as 4 to 6 months – meaning your cat can get pregnant as early as four months! For this...

Pregnant cat laying on a staircase

Can Cats Eat Sunflower Seeds? Vet-Verified Nutrition Facts & Considerations

Sunflower seeds are the edible gifts of the sunflower. Not only are they tasty, but they are nutritious and considered to be one of the healthiest snacks around. But can your beloved feline eat them, too? The quick answer is...

Can Cats Eat Sunflower Seeds

Why Is My Cat Not Losing Weight? Vet Approved Reasons & Advice

Weight control is critical for your cat—and you! If you’ve ever tried to shed a few pounds, you know how challenging it can be. Temptation is everywhere, and it’s not too different for your pet. However, the secret to losing...

veterinarian weighs an overweight pet on a scale

Do Male Cats Have Nipples? Vet-Reviewed Feline Anatomy Facts

If you’ve never owned a male cat, this may be a question that you’ve asked yourself. Female cats need nipples to feed their babies if they ever have a litter of kittens. But do male cats have nipples as well?...

Ginger cat lying on its back

Can Cats Eat Tangerines? Vet-Reviewed Diet Facts & FAQ

Tangerines, often known as mandarins, are citrus fruits that people eat as quick, healthy snacks. They are tasty, sweet, and filled with antioxidants. They can provide health benefits to people, including reduced cholesterol, prevention of stomach ulcers and kidney stones,...

Can Cats Eat Tangerines

Maine Coon Cat Health Problems: 8 Vet-Reviewed Issues

Maine Coons are beloved felines, and it’s easy to see why. They have gorgeous, full coats and are large, majestic animals that are impossible to ignore. Many cat lovers find this breed to be affectionate and fun to have in...

Catster_Health Problems of Maine Coon Cats

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.