Thursday, July 18, 2024
behaviorfeline healthhealth and safetytoxic plants

Flowers for Your Valentine

black cat with valentine flowers
Lucy enjoys a Valentine bouquet I received including red roses, carnations and fern, in a photo from February 8, 2007.

Above, Lucy anticipates a taste of flowers I’d received after my first poetry reading which was right before Valentine’s Day in 2007. The bouquet includes red roses, white carnations and ferns. The roses are fine, and this type of common fern used by florists is fine as well, so they are safe if she wants to snack on them. The carnations can cause only mild tummy upset if they eat too much, in the same category as poinsettias, so I permit those. Now, the festive Hershey Kisses in the milk glass dish are another matter entirely, and even though most of my cats just played a little hockey with those I got a covered dish for colorful candies.

My cats will eat anything green I bring into the house, whether it’s cut flowers or a house plant. Most cats aren’t terribly particular about what greens they’ll nibble on; generally they’ll try anything green and fresh, and some cats will completely chew down a plant that can’t have tasted very good and wasn’t very easy to chew. They don’t stop with leaves, either, but will eat the petals off of a flower, the stems, it’s all a potential snack.

pencil sketch of cat with flowers
Would a cat eat a daisy? Namir did. “Conversation With a Daisy”, pencil © B.E. Kazmarski

Many of the cautions in this article apply to dogs as well, but cats are a little more sensitive to certain plants—lilies, for instance, may give a dog a tummy ache but they may kill a kitty—plus kitties can jump and climb and get themselves into truly amazing places, so I am focusing on cats for this article. But for any pet, please be cautious of flowers and plants and keep the list of toxic species linked at the end handy.

Cats aren’t necessarily particular in what greens they’ll nibble on; generally they’ll try anything green and fresh, and some cats will completely chew down a plant that can’t have tasted very good and wasn’t very easy to chew. They don’t stop with leaves, either, but will eat the petals off of a flower.

And while many pet owners know the dangers of various houseplants, most people don’t associate cut flowers with these dangers, yet many cut bouquets include flowers from some of the most toxic plants for cats and dogs. What makes it complicated is that we recognize them when they are individual growing plants, but may not even notice them in a mixed bouquet.

Some plants cause gastric upset which can be a mess to clean up and is uncomfortable for your cat, but it can also have long-lasting effects such as ulcers in the mouth or digestive tract, and excessive vomiting or diarrhea can dehydrate and even kill a very young or old cat.

Other plants more seriously affect a cat’s organs and can be deadly within hours, even to a healthy cat.

Lilies in all their forms

white lily
A typical Easter lily flower with its prominent stamens, also from a neighbor’s garden.

Lilies in just about all their species can cause kidney damage in cats which is permanent and can lead to kidney failure within 48 hours if left untreated.  All species of lily are toxic as well, including Asiatic lily, daylily, tiger lily and even smaller lilies like alstromeria.

All parts of the lily are toxic too—flowers, leaves, stems, bulb, even the pollen from the stamens, so prominent in Easter lilies. Look at the stamens in the photo of the lily at left—what self-respecting kitty wouldn’t go in for a thorough inspection of those?

Many of the other flowers symbolic or used for decoration this time of year are also toxic to pets, including flowers from spring-blooming bulbs such as daffodils, paperwhite narcissus, crocus, tulips and hyacinths, including when these plants are found in bouquets.


Sure, we know the big white lilies at Easter, but consider an everyday small grocery story bouquet: a few yellow mums, some white daisies, pink carnations, fern, baby’s breath and—alstromeria, a South American lily, which comes in colors from white to scarlet.

Or a medium-sized get-well bouquet: Yellow roses, white mums, blue larkspur and—two big pink Stargazer lilies.

orange daylilies
Common daylilies, also called tiger lilies, which does not make them friendly to cats.

And what used to be part of my favorite backyard bouquets in spring: pink climbing rose, red rambler rose, Shasta daisies, blue widow’s tears and—big orange daylilies, as well as any of the other domestic or hybrid lilies that you may grow in your back yard.

Bulb-forming plants

purple tulips
Purple Tulips
gift basket of tiny narcissus and iris
A gift basket of tiny narcissus and iris ended up outside to welcome guests.

Instead of a bouquet of cut flowers we’ll often give or receive bulbs forced to bloom early in baskets and pots. I used to welcome the new year and the last long days of winter with forced bulbs all over my house as pots of paperwhite narcissus, trays of daffodils and baskets of mixed fragrant tulips, hyacinth and crocus along with squills and starflowers.

Then I learned that any part of these plants can not only cause gastric upset but also organ damage, specifically kidney damage and heart failure. I remembered a healthy fifteen-year-old cat I’d lost years before to acute kidney failure—her kidneys just failed one day and I had to put her to sleep the next. This can happen without an outside stimulus, but I’ll always wonder if that was the cause and I have never forced bulbs in any place my cats could get them since then.

In the same way, onion and garlic, also bulb-forming plants though they are considered food, are toxic to cats.

Other plants

rhododendron flowers
azalea flowers
Azalea flowers.

While most plants are not that immediately toxic, other plants, such as azalea and rhododendron, lily of the valley, ivy and yew can be deadly to cats in impaired health or kittens, since they’re small enough to get a big dose with an enthusiastic bite. Though not deadly for adult cats in good health, they’ll often cause extreme abdominal pain, nausea, salivation and vomiting. Repeated exposure can be cumulative with some plants.


pink and white tulips
A gift of tulips after an event went outside my door when the weather was nice.

How to keep your cat away

Don’t presume you’ll outwit your cat. Try the following:

  • Don’t try to put them in an out-of-the-way or high place in your house! Cats can jump several feet straight up and are agile climbers, especially when they have the incentive of that vase of flowers on top of your entertainment center where they’ve never gone before. They may injure themselves in the attempt, break a ceramic or glass vase creating a hazard for the whole house, or may actually succeed in getting to the plant and eating it despite your attempts to keep it away from them.
  • Look over the bouquet and remove anything that is potentially toxic. Instead of tossing them, take them to the nearest nursing home, personal care home or other public place that might appreciate cut flowers on display—as long as there isn’t a kitty there.
  • Likewise, take live plants that are toxic to your cats to your nearest care facility, again making certain there isn’t a resident kitty.
  • If it’s warm enough, put cut flowers in a vase on your front porch.
  • Plant live plants, such as lilies, tulips and other forced bulbs, hydrangea and azalea, or display them in their pots on your porch or in your yard instead of bringing them indoors. Many plants in pots have spent some time outdoors in a nursery display at a garden center and will adapt just fine.

Sometimes cats have no sense

“Oh, she’ll stop eating if she gets sick,” or “she won’t eat this, it’s got little thorns”, don’t believe that. I’ve seen cats try to eat cacti, drool while they are chewing aloe and vomit up philodendron and go back to eating again. Don’t rely on their non-existent common sense, just remove the plant.

You can’t really punish them for following both a natural impulse and a physical need. We don’t really know why cats, obligate carnivores with no obvious need for greens, chew on grass, but some guess they help cleanse their mouth and digestive system, and to add fiber to their primarily protein diet to aid in elimination. An indoor kitty will take what she can get to simulate the natural outdoor environment she craves.

namir in plant
Namir in the arboricola.

The problem is that, while you may get some cats to stay away from your plants, most cats will return again and again, even if they suffer discomfort from their snack. The best way to keep your cats safe from plants is to put the plants completely out of reach—bearing in mind that cats can jump six times their height and can be ingenious about launching from strategic furniture to get into a hanging basket. Sometimes it is necessary to completely remove the plant from the house, no matter how much you like it.

Signs of plant poisoning may include vomiting, diarrhea, and swelling or pain inside the cat’s mouth. If you know or suspect which plant your cat has eaten, identify the plant by name when you call your veterinarian. Bring samples of the plant’s leaves or flowers when you take your cat to the veterinarian for treatment.

Keeping your cat out of your plants…?

black cat among plants
Lucy’s Garden.

What happened to that nice spider plant you used to have? Oops—while enjoying the scene out the window, Fluffy forgot it wasn’t just a clump of grass and chewed it down to little nubbins. Then, because it really wasn’t grass and really wasn’t digestible by her little system, she deposited it back on your carpet in a most inelegant manner.

And that wandering jew? She used it for a bed? I’ll bet she looked sweet.

A determined cat will do what she wants. Remember, you have to sleep some time.

As for the non-toxic flora, even though Fluffy won’t suffer if she chews on it (unless you get your hands on her), you still don’t want her shredding your greenery. Several commercial sprays will give the plant a bad smell and/or taste without damaging the plant with recommended use, and a nibble by Fluffy will not harm her. One product is “Bitter Apple for Plants”, a stronger version of which is available for dogs learning not to chew on everything. Other products are named “Off for Cats” and such like, and simply smell bad.

You can also try your own home brew by dabbing hot sauce on the tips of some of the leaves, or rubbing a citrus peel on the leaf. For the sake of your plants, however, just try it on one or two leaves to make sure you won’t fry the whole plant in an effort to keep Fluffy from eating it.

You could also place “Sticky Paws” on the countertop around the arrangement or plant so that when she steps close to the plant she steps on the product and backs off; please read the instructions on the Sticky Paws package for what surfaces are appropriate for its use.


cat eating greens
Peaches with her greens.

One other thing to help the situation—and it’s a nice thing to do for your cat even if you don’t have a plant problem—is to plant her own pot of greens and make it available to her at all times. Don’t use regular plant seeds such as grass seed because some seeds are treated with chemicals, at least check before you use them; instead, purchase “cat greens”, usually a mixture of wheat, oats and barley grains, all three of which are not only a pleasure for your cat, but full of nutrition. Some other commercial “cat greens” mixtures contain catnip, a sure winner, sage, parsley, chickweed, colt’s foot grass, and other herbs and wild plants that your cat would eat if outdoors.

Most of these plants can be grown in a small container on a windowsill, and if you keep two containers growing, one available to the cat and one just sprouting, you can have a constant treat for her. These plants need a good bit of sunlight to thrive, so try to find a sunny spot that your cat can get to. It will serve two purposes: because she tends to chew when she’s gazing at the outdoors, you’ve provided exactly what she needs for her little interlude.

I have another article in this series on just this subject entitled “Living Green With Pets: A Garden for Your Cats”.

Keep toxic plant and flower information handy

guide to common plants toxic to pets
“Beautiful But Deadly: Toxic Plant Guide” PDF

I’ve put together a downloadable guide to the most common toxic flowers and plants to appear in bouquets and as seasonal decorations in your home. It includes photos and names of plants, brief information on their toxicity, and links to flower and plant databases as well as pet poison control hotlines.

PDF file for computers

Click here or on the thumbnail of the flyer to bring up the PDF (the PDF looks best when you download it and open it on your computer).

guide to common plants toxic to pets
“Beautiful But Deadly: Toxic Plant Guide” JPG

JPG file for mobiles

PDF files can be a problem on mobile devices, so I’ve also provided a JPG of the information that you can download and read right on your device. Click here or on the thumbnail of the flyer to bring up the PDF (the PDF looks best when you download it and open it on your computer).

Other resources

Your local veterinarians and shelters often have lists of toxic flora has handouts, and plenty of resources exist on the internet.

And as far as those flowers, you just can’t go wrong with roses!

17 Common Poisonous Plants

ASPCA Searchable Database of Plants

Pet poisoning emergencies

ASPCA Online Poison Control Center including plants, medications, cleaning products and most other toxins your pet could come in contact with:

Both of the hotlines below are available 24/7/365 providing live consultation for animal poison emergencies. The credit card charge covers the initial phone consultation and any follow-up consultation you or your veterinarian may need for your case. For instance, if you call and find out that the toxin your cat has come in contact with needs to be treated by a veterinarian, you can give your case number to your veterinarian and they can also call the hotline for recommendations on treatment. There is no further charge.


$65 credit card charge covers the initial phone consultation and any follow-up consultation.


Affiliated with the University of Minnesota Veterinary Medical Center, $35 credit card charge.

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5 thoughts on “Flowers for Your Valentine

  • Pingback: Is Your Valentine Bouquet Safe for Your Cat? ~ The Creative Cat

  • thanx for de grate post guys…anda happee heartz day oh love two all ~~~~~~~

    heerz two a topminnow & trumpetfish kinda week oh end ♥♥♥

  • Thanks for this collection of valuable information, Bernadette. Years ago, I nearly lost one of my cats when she chewed on a dead lily of the valley leaf. Fortunately, she did it in front of me, and at some point after wards, it occurred to me that I thought I had read something about lilies being deadly to cats. She survived, but I didn’t have house plants for years afterwards! I wasn’t aware that alstrameria is toxic until I read this.

    • Lynda, I’m so glad you figured it out! Yes, alstromeria is a type of lily, and all lilies are toxic. Who would have known all these really common plants would be toxic to cats, and we laugh about how they chew on plants and flowers all the time! I don’t know how my cats lived to tell about it. I mentioned that I lost a pretty healthy 15-year-old cat to acute kidney failure in 2003, that can happen on its own but I used to keep bulbs to force in the spring. That happened in February. I will always wonder.


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