Cat Grass: What It Is, How To Grow It, And More

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Cats eating grass

Even though cats are carnivores, many cats like to nibble on plants or grass. However, eating grass and plant material isn’t always good for cats. Some houseplants and flowers are toxic to cats, and grass from your lawn can contain dangerous fertilizers, pesticides and weed killer. Luckily, there’s a safe alternative: cat grass.

What Is Cat Grass?

Cat grass, sometimes called kitty grass, is a special cat-safe grass intended to be used as a treat or snack for your indoor cat. Cat grass can be purchased already grown, or you can buy kits with trays or bags of seeds for you to water and sprout yourself right in the container.

The term “cat grass” describes not one specific type of grass, but a variety of grasses that are safe and nutritious for cats.

Some popular varieties include wheatgrass, oat grass, rye grass, barley grass, alfalfa grass, and flax grass.

Cat grass is not the same as catnip (Nepeta cataria), which is an herb in the mint family that cats find intoxicating.

Read More: Catnip: What Is It and Why Do Cats Love It?

Where To Buy Cat Grass?

You can find cat grass in more places than you might think.

Most pet-supply stores sell already-sprouted grass, as do many veterinary hospitals, grocery stores, hardware stores, and nurseries. You can also purchase kits to grow the grass at home.

Cat grass kits are available from online retailers like Amazon, Chewy and Petco, and come with everything you need to grow cat grass, including a container (tray, bag or box), soil, and seeds. All you need to add is water and sunlight.

Cat eating grass

Many cats enjoy snacking on cat grass.

How To Grow Cat Grass?

If you’re looking for simplicity, purchase a tray of cat grass that’s already grown at your local pet store. If you can’t find grown cat grass, buy a cat grass kit and follow the instructions on the package.

The directions may vary somewhat depending on the kit you buy.

Start By Dampening The Grass

To grow cat grass, you usually start by dampening the seeds with water and wait for them to sprout, which can take anywhere from a few days to a week.

Lightly Water Daily

Lightly water your sprouted cat grass daily. You want to keep the soil moist but not wet. Watering with a spray bottle can ensure you don’t use too much water. Place the cat grass in a warm spot in your house that gets indirect sun.

Avoid Direct Sunlight

Avoid placing cat grass in direct sunlight, which can burn the grass.

Let It Grow

Don’t let your cat eat the cat grass until it grows tall enough (about 4 to 6 inches high). It will take about one to two weeks for the cat grass to be ready for your cat to nibble.

Cat with cat grass

Keep your cat grass in a warm room with indirect sunlight.

Make Your Own Cat Grass Garden

Cat owners who have green thumbs may enjoy growing DIY cat grass at home without purchasing a specific cat grass product.

Start With Seeds

Simply buy cat grass seeds of any cat-safe grass (wheat, oat, rye, barley, alfalfa or flax), fill a container with potting soil, place the seeds on top and water lightly.

Choose Your Location

Make sure the container you choose is deep enough to allow the roots to grow and has holes for good drainage. Place the container in indirect sun and water lightly with a spray bottle every day until you see the seeds sprouting.

Wait Patiently

Your cat can enjoy the cat grass once it is 4 to 6 inches high.

You can grow one type of cat grass or mix cat grass seeds together to grow a variety. You might even try growing different types of cat grass in different containers to see which type of cat grass your kitty likes best.

Stagger the planting of your different grasses so you always have fresh cat grass ready for kitty to enjoy!

Cat and kitten with cat grass

Adult cats and kittens can enjoy snacking on cat grass.

Keeping Your Cat Grass Healthy

The most important part of taking care of cat grass is making sure it doesn’t become moldy. Avoid overwatering the grass. Too much moisture is the main reason cat grass might begin to grow mold.

Inspect the cat grass daily for mold, and throw it away at the first sign of mold. Healthy, well-maintained cat grass lasts anywhere from one to three weeks. If the tips of the grass dry out and yellow a little, simply trim about 1 inch off the top of the grass.

Once the grass begins to wilt or turn yellow all over, it’s time to toss it. Always throw out any cat grass that develops mold.

Frequently Asked Questions

Is cat grass good for cats?

It’s safe to feed your cat small amounts of cat grass as a treat. Many cats enjoy nibbling on cat grass, but because cats are designed to digest a diet of mostly meat and not much plant material, some cats may vomit after eating cat grass.

Does cat grass make cats vomit?

Since cat grass is difficult for cats to digest, some cats throw up after snacking on cat grass. This should not be a cause for concern as long as the cat goes back to normal afterward, and is not otherwise acting sick. 

What are the benefits of cat grass?

Cat grass provides roughage (indigestible fiber), which may assist with digestion and act as a laxative, helping move hairballs through the digestive tract. Cat grass also contains chlorophyll, which might freshen breath. Cat grass may also provide phytonutrients, folic acid, vitamins and trace minerals. Cats enjoy nibbling on cat grass, so it provides enrichment and enjoyment. 

How is cat grass different from normal grass?

Cat grass is a much better option than outdoor grass. Cat grass is grown indoors without any of the fertilizers, pesticides or weed killers that are often found on outdoor lawns.

Does cat grass grow back?

Cat grass does not grow back—you must plant new seeds in order to grow a fresh batch of cat grass. Once sprouted and allowed to grow to 4 to 6 inches high, cat grass lasts about one to three weeks before it wilts and dries up.

About Jackie Brown

Jackie Brown is a freelance writer specializing in the pet industry. She writes on all pet and veterinary topics, including general health and care, nutrition, grooming, behavior, training, veterinary and health topics, rescue and animal welfare, lifestyle, and the human-animal bond. Jackie is the former editor of numerous pet magazines and is a regular contributor to pet magazines and websites.

2 thoughts on “Cat Grass: What It Is, How To Grow It, And More

  1. Carol

    My cat, especially at night walks through the house, I refer to it as talking, she meows – all different types.. Also when you sometimes pet – touch her she let’s out a little pur sound.
    Any suggestions for the annoying night meows? Thank you.

    Reply

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