Your cat is perched on the windowsill again, a chewed leaf tip hanging from the pothos and a small pile of green on the floor below.
This is one of the most common problems in plant-filled homes, and it is very fixable once you understand what your cat is after.
The short version: Learning how to keep cats from eating houseplants starts with removing toxic plants, then moving the rest out of reach and giving your cat a better option, like a pot of cat grass.
Add simple barriers and safe deterrents for persistent chewers, and address boredom so the habit fades.
This guide covers why cats chew plants, placement, deterrents, barriers, toxic and safe plants, and what to do if your cat has already taken a bite.
Check These First
- Identify every plant your cat has chewed and confirm whether it is toxic. Lilies of any true lily or daylily type need a vet call right away.
- Watch your cat for drooling, vomiting, pawing at the mouth, or lethargy over the next several hours.
- Note where the chewed plants sit. Windowsills, low shelves, and tables near furniture are the usual targets.
- Check the time of day the chewing happens. Early morning and evening chewing often points to boredom or hunger.
- Look for a pattern of vomiting after chewing, which can mean your cat is eating plants to bring up hairballs.
Why Do Cats Eat Houseplants?
Cats chew plants out of instinct, boredom, curiosity, and an appetite for texture. Most aren’t seeking nutrition; they like the crunch, the movement of dangling leaves, and the attention the habit gets them.
Instinct and Digestion
Wild cats eat small amounts of grass, likely to help move fur and indigestible material through the gut. Many indoor cats keep this behavior and will vomit after chewing, which is normal with grass but risky with toxic plants.
Long-haired cats and heavy groomers often chew more during shedding season. Regular brushing can reduce the urge to graze.
Play and Texture
Long, arching leaves look like prey when they sway in a heating vent draft or an AC current. Spider plants, palms, and dracaenas with strappy foliage get batted and bitten more than broad, stiff leaves.
Cats also enjoy crisp, fibrous textures. That is why grassy plants and thin leaf tips take the most damage.
Boredom and Attention
An indoor cat with little stimulation will find its own entertainment, and your plants are right there. If the chewing starts the moment you sit down to work, your cat may have learned it gets a reaction.
A puzzle feeder at breakfast and a wand toy session in the evening can cut down on idle chewing. Pair those with a small tray of fresh wheatgrass so your cat has an approved place to graze.
How to Keep Cats from Eating Houseplants with Smart Placement
Placement is the fastest fix: put plants where your cat cannot reach or lose interest in reaching. Cats jump 5 to 6 feet, so height alone is not enough unless there is no launch point nearby.
Use Height Without Launch Pads
A high shelf only works if no chair, bookcase, or counter sits within easy jumping distance. Walk the room from your cat’s point of view and remove the stepping stones.
Hanging planters from ceiling hooks are excellent for trailing plants. Hang them at least 2 to 3 feet away from furniture and walls your cat can climb.
Dedicate a Plant Room
If you have a spare bedroom, office, or bathroom with a window, turn it into a closed plant room. A door is the most reliable barrier you will ever use.
A bright bathroom works well for humidity-loving ferns and calatheas. Just keep the door closed and remind guests to do the same.
Rethink the Windowsill
Windowsills are prime cat territory because of the sun and the view outside. Plants on a sill will almost always get investigated.
Move plants to a stand a foot or two back from the glass, or swap the sill for a plant shelf mounted higher on the wall. In a south or west window, light stays strong a few feet back.
In a north window, you may need supplemental light.
Sophia’s tip: Give your cat its own window perch or a cleared section of sill. When the best sunny seat is reserved for the cat, the plant shelf beside it becomes far less interesting.
Give Your Cat Something Better to Chew
A cat that wants to chew will keep looking until it finds something. Offering safe greens redirects the habit instead of fighting it.
Grow Cat Grass on Rotation
Cat grass is usually wheat, oat, barley, or rye grown from seed. It sprouts in 3 to 5 days and is ready to eat in about 7 to 10 days.
Keep two or three small pots going at staggered stages so a fresh one is always available. Place the active pot near the plants your cat targets most, at floor level where it is easy to reach.
Add Catnip and Cat-Safe Herbs
Catnip and cat thyme are both popular, and catnip is listed as non-toxic by the ASPCA in normal amounts. Not every cat responds to catnip, so try one pot before planting more.
Herbs need strong light to stay full. A south window or a grow light keeps them from stretching and flopping over.
Replace Old Grass Promptly
Cat grass yellows and gets limp after 2 to 3 weeks. Cats lose interest in tired grass and return to your houseplants.
Water it lightly and keep it in bright light, but expect to toss and resow regularly. Grass growing in standing water can mold, so use a pot with drainage.
Sophia’s tip: Rub a few blades of fresh cat grass between your fingers and offer them to your cat by hand the first few times. Many cats need an introduction before they adopt the pot as their own.
Deterrents That Work and Ones to Avoid
Cats dislike certain smells, textures, and tastes, and you can use that to protect plants. The safe options are mild; some popular home remedies can hurt your cat.
Safe Taste and Scent Deterrents
Most cats dislike citrus. Placing fresh orange or lemon peels on the soil surface, replaced every few days, discourages sniffing and digging around the base.
Bitter-tasting pet deterrent sprays made for chewing can be applied to leaves. Test on one leaf first, since some plants spot, and reapply after watering or misting.
Texture Barriers on the Soil
Cats often start by pawing or digging in the soil before chewing. Cover the surface with large river stones, pinecones, or a cut piece of plastic mesh.
These coverings also help if you need to keep cats from pooping in your house plants, since loose soil looks a lot like a litter box.
What to Skip
Avoid essential oils, especially tea tree, citrus oil, eucalyptus, peppermint, and pine. Cats lack liver enzymes to process many oil compounds, and both direct contact and concentrated diffusion can cause poisoning.
Skip cayenne pepper and chili flakes as well. They can irritate a cat’s eyes, nose, and paws badly. Spray bottles and loud punishments tend to create stress and fear without stopping the habit when you are away.
Physical Barriers for Persistent Chewers
Some cats ignore every deterrent. For them, a physical barrier between the cat and the plant is the only dependable answer.
Cages, Cloches, and Glass Cabinets
Decorative bird cages, wire plant cages, and glass cloches can enclose small plants. Make sure the bars are close enough that a paw cannot fit through.
A glass display cabinet with a grow light inside makes a striking home for small tropicals. It also holds humidity, which helps in dry Chicago-style winters when forced-air heat drops indoor humidity to 20 to 30 percent.
Terrariums and Closed Cases
Closed terrariums protect small ferns, fittonias, and mosses completely. Choose a container with a lid your cat cannot knock off, and keep it out of direct sun to avoid overheating.
If you add lights to a cabinet or terrarium, set a timer. This guide on how long to keep grow lights on house plants covers daily hours for different plant types.
Heavy Pots and Stable Stands
Cats that can’t chew a plant may knock it over instead. Use wide, heavy ceramic or concrete pots, and anchor tall stands to the wall.
For more ideas on blocking access around a single favorite plant, see how to keep a cat away from a potted house plant.
Sophia’s tip: Double-sided tape stuck to a sheet of cardboard and set around a plant stand stops many cats within days. Cats hate sticky paws, and you can remove it once the habit breaks.
Which Houseplants Are Toxic to Cats?
Many common houseplants are toxic to cats, and a few can be deadly. If you share space with a cat, toxic plants should go to a closed room, a cat-free home, or out the door.
The Most Dangerous Plants
True lilies (Lilium) and daylilies (Hemerocallis) are the top concern. The ASPCA lists them as highly toxic to cats; small amounts of leaf, petal, pollen, or even vase water can cause kidney failure.
Sago palm is another severe one, listed as toxic by the ASPCA, and it can cause liver failure. Treat any exposure to either as an emergency.
Common Plants That Cause Mouth and Stomach Irritation
Pothos, philodendron, monstera, dieffenbachia, and peace lily contain insoluble calcium oxalate crystals. The ASPCA lists them as toxic to cats; chewing typically causes mouth pain, drooling, pawing at the face, vomiting, and trouble swallowing.
Snake plant, aloe vera, jade plant, and English ivy are also listed as toxic to cats by the ASPCA, usually causing vomiting and digestive upset. For a closer look at the tropicals involved, read up on which tropical house plant is poison for cats.

| Plant | ASPCA status for cats | Typical effects |
|---|---|---|
| True lilies and daylilies | Toxic | Kidney failure, potentially fatal |
| Sago palm | Toxic | Vomiting, liver failure |
| Pothos | Toxic | Mouth irritation, drooling, vomiting |
| Philodendron | Toxic | Mouth irritation, drooling, vomiting |
| Monstera | Toxic | Mouth irritation, drooling, vomiting |
| Dieffenbachia | Toxic | Mouth swelling, drooling, vomiting |
| Peace lily | Toxic | Mouth irritation, drooling, vomiting |
| Snake plant | Toxic | Nausea, vomiting, diarrhea |
| Aloe vera | Toxic | Vomiting, lethargy, diarrhea |
| Jade plant | Toxic | Vomiting, low energy, wobbliness |
If Your Cat Already Took a Bite
Remove any plant pieces from your cat’s mouth, note the plant name, and call your veterinarian or the ASPCA Animal Poison Control Center. A fee may apply, but they can tell you whether to watch at home or come in.
Do not try to induce vomiting unless a vet tells you to. With any lily exposure, go to a vet immediately, even if your cat seems fine, because early treatment matters for kidney protection.
Cat-Safe Houseplants to Grow Instead
The ASPCA lists many attractive houseplants as non-toxic to cats. Non-toxic does not mean edible, though; large amounts of any plant can still cause mild vomiting, so the placement and deterrent tips still apply.
Easy Non-Toxic Picks
Spider plant, Boston fern, parlor palm, areca palm, and prayer plant are all listed as non-toxic to cats by the ASPCA. Calathea, peperomia, cast iron plant, African violet, ponytail palm, haworthia, and Christmas cactus are also on the non-toxic list.

Spider plants are a cat magnet because of their dangling, grassy leaves. They are safe, but hang them high if you want them to stay intact.
| Plant | ASPCA status for cats | Light | Notes for indoor growing |
|---|---|---|---|
| Spider plant | Non-toxic | Bright indirect | Cats love chewing it; hang it high |
| Boston fern | Non-toxic | Bright indirect | Needs humidity; keep away from radiators |
| Parlor palm | Non-toxic | Low to medium | Tolerates north windows |
| Areca palm | Non-toxic | Bright indirect | Keep out of cold winter drafts |
| Prayer plant | Non-toxic | Medium indirect | Prefers 50 percent humidity or higher |
| Calathea | Non-toxic | Medium indirect | Sensitive to dry air and hard water |
| Peperomia | Non-toxic | Medium to bright | Let soil dry partway between waterings |
| Cast iron plant | Non-toxic | Low | Handles dim corners and neglect |
| African violet | Non-toxic | Bright indirect | Water at the soil, not the leaves |
| Haworthia | Non-toxic | Bright | Compact; good for sunny shelves |
Matching Safe Plants to Your Light
East windows give gentle morning sun that suits ferns, calatheas, and African violets. South and west windows suit haworthia, ponytail palm, and peperomia, ideally a foot or two from the glass in summer.
If your space is dim, the list of 12 low light indoor plants that are safe for cats is a good starting point. Parlor palm and cast iron plant both handle north windows well.
Watch Winter Conditions
Ferns, calatheas, and prayer plants get crispy edges when radiators and forced-air heat dry the air. Keep them at least 3 feet from heat sources and group plants together to raise local humidity.
Avoid placing tropical plants near drafty windows below about 55°F. Stressed, damaged plants also drop leaves that cats love to bat around the floor.
Your Next Steps
- Walk through your home today, identify every plant, and move or rehome anything the ASPCA lists as toxic to cats, starting with lilies.
- Sow two pots of cat grass a week apart and set the first one near your cat’s favorite chewing spot.
- Clear launch points around high shelves and hang trailing plants from ceiling hooks away from furniture.
- Cover soil surfaces with large stones or mesh, and add citrus peels or a pet-safe bitter spray to the most targeted plants.
- Schedule two short play sessions a day and brush your cat regularly during shedding season.
- Save your veterinarian’s number and the ASPCA Animal Poison Control Center number in your phone.

Common Questions About Keeping Cats from Eating Houseplants
Is it normal for cats to eat plants?
Yes, many cats chew plants out of instinct, boredom, or a liking for crisp textures. Occasional grass chewing followed by vomiting is common. The real problem is access to toxic plants, so focus on safety first.
Does cat grass really stop cats from eating houseplants?
It helps many cats by giving them an approved place to chew, especially when kept fresh and placed near targeted plants. It works best combined with placement changes and deterrents. Some determined cats still need physical barriers.
Are spider plants safe for cats?
The ASPCA lists spider plants as non-toxic to cats. Cats are strongly drawn to them, and eating a lot may cause mild stomach upset. Hanging the plant out of reach protects both your cat and the foliage.
Can I use vinegar or essential oils to keep my cat away?
Diluted vinegar wiped on a pot rim is generally safe but fades quickly and can harm leaves. Avoid essential oils, since many are toxic to cats through skin contact or concentrated diffusion. Citrus peels on the soil are a safer scent deterrent.
What should I do if my cat chewed a peace lily?
Peace lily is not a true lily, but the ASPCA lists it as toxic because of calcium oxalate crystals. Rinse your cat’s mouth gently if possible, watch for drooling and vomiting, and call your vet or the ASPCA Animal Poison Control Center. True lilies are different and need emergency care immediately.

Hi! I’m Sophia, and I love plants – especially an expert in growing house plants. I stay in Chicago, United States of America, and through my blog and social media platforms, provide tips and tricks on how to grow healthy, vibrant plants indoors. Check out more here.