Pet Safe Plants: What the ASPCA Actually Lists

There is no universal list of pet safe plants that applies to every animal. The most reliable way to build a garden of pet safe plants is to check each species by name against the ASPCA’s Toxic and Non-Toxic Plants database before you buy it, because the same reference lists results separately for dogs, cats, and horses. A plant that is fine for one animal can harm another. This article teaches you how to use that database well. It does not replace it, and it is not veterinary advice.

What “pet safe plants” really means

“Pet safe” is not a fixed trait of a plant the way bloom color or mature height is. It is a status that has been recorded for a specific animal. The authoritative record for the United States is the ASPCA Toxic and Non-Toxic Plants database, which catalogs plants as toxic or non-toxic and breaks the toxicity out for dogs, cats, and horses.

Two things follow from that. First, “pet safe plants” is shorthand; the honest question is always “safe for which animal,” since the same entry can read differently for a dog, a cat, and a horse. Second, a plant that does not appear on a toxic list is not automatically proven safe. Absence from a list can mean the plant was never entered, not that it was tested and cleared. Treat the database as the place to confirm a status, not as a guarantee that covers every species in the world.

How to use the ASPCA Toxic and Non-Toxic Plants database

Using the list well takes about a minute per plant, and it is the single habit that separates a genuinely careful gardener from a hopeful one.

Start at the ASPCA Toxic and Non-Toxic Plants database. You can search by common name or by scientific name. Read the entry for the exact plant you mean, and note which animals it names. The database records toxicity separately for dogs, cats, and horses, so a single entry can be non-toxic to one and toxic to another. Do not stop at the headline word; read which species the toxicity applies to.

The database also lists non-toxic plants, which makes it a shopping tool, not just a warning tool. When you are choosing between two flowers for the same bed, you can check both and let the status break the tie. If a plant you own is not in the database at all, do not assume anything from the silence — look it up under an alternate name, or call one of the poison lines below and ask. Never guess a status.

Why the scientific name decides whether a plant is pet safe

Common names are where people get hurt, because many unrelated plants share one. The scientific name is what actually tells you whether you are looking at pet safe plants or not.

The bedding “geranium” sold in spring flats is Pelargonium, which the ASPCA lists as toxic to dogs and cats. The hardy perennial also called geranium is a different genus entirely. If you searched the common word alone, you could easily read the wrong entry. “Lily” is the most dangerous example: true lilies (Lilium) and daylilies (Hemerocallis) are toxic to cats and can cause kidney failure, while several unrelated plants sold as some kind of “lily” are botanically different and have their own separate entries. The lesson is the same every time. Find the scientific name on the plant tag, then search that name. When the tag and the database agree on the Latin, you know you are reading about the plant in your cart.

A short table of pet safe plants and common ones to rethink

The table below uses statuses drawn directly from the ASPCA Toxic and Non-Toxic Plants database. The status column carries only what the ASPCA actually publishes – toxic to a given animal, or non-toxic. It does not publish a severity grade, so you will not find “mildly” or “highly” in that column here; where a plant is especially dangerous, that sits in the notes as the ASPCA’s own clinical signs. If you see a page grading toxicity and crediting the ASPCA, it added a word the ASPCA did not write. It is a small illustration, not a complete list – always confirm the specific plant yourself.

Every non-toxic row above is a candidate for pet safe plants in a bed your animals can reach. Every toxic row is a plant to rethink, not necessarily to ban — more on that next.

Common garden plants to rethink around pets

Several plants people assume are harmless sit on the toxic side of the ledger. Lavender, hosta, hydrangea, chrysanthemum (mum), begonia, the bedding geranium (Pelargonium), and yarrow are all listed by the ASPCA as toxic to dogs and cats. The tomato is a food crop many gardeners choose to grow, and its ripe fruit is a kitchen staple, but the green parts — stems and leaves — are listed as toxic to dogs and cats, so the plant itself is worth fencing off from a curious dog.

A few plants deserve more than a rethink. True lilies (Lilium) and daylilies (Hemerocallis) are toxic to cats, and the ASPCA’s clinical signs for them include kidney failure; for a cat household these are the clearest case for leaving them out entirely. Azalea and rhododendron are toxic to both dogs and cats, and the ASPCA notes that ingesting a few leaves can cause serious problems. Foxglove is toxic. None of this means you must strip your yard. It means placement matters: put toxic species where pets do not browse, favor the non-toxic column for beds and borders animals actually walk through, and keep the ASPCA database open while you plan. For any plant not named in this article, look it up rather than guess — and remember that not being named here is not evidence a plant is safe.

If your pet may have eaten something: the emergency steps

If you think your pet ate part of a plant, do not wait for symptoms to appear. Call your own veterinarian first, or an emergency vet if it is after hours.

You can also call a dedicated animal poison line. The ASPCA Animal Poison Control Center operates a 24-hour line at (888) 426-4435; be aware that a consultation fee may apply. The Pet Poison Helpline is a second option. When you call, have the plant’s name — the scientific name if you can read it off the tag — plus how much your pet may have eaten and when. This article names who to call; it does not give medical or veterinary advice, and the professionals on those lines can weigh your specific animal’s size, health, and exposure in a way no web page can.

Where the plant finder fits, and where it stops

If you use the Explore plant finder to build a planting plan, keep one boundary clear. A fit score is about where a plant will thrive — your climate, hardiness zone, sun, and soil — not whether it is safe around your pets. A high fit score and a toxic ASPCA status can describe the same plant. Use the finder to narrow what will grow well for you, then run each shortlisted plant through the ASPCA list before it goes in the ground. The two tools answer different questions, and only one of them is about your animals.

The bottom line

Pet safe plants are something you verify, not something you buy off a label. Use the ASPCA Toxic and Non-Toxic Plants database, search by scientific name, and read the status for your specific animal, because dogs, cats, and horses are listed separately. Lean on the non-toxic options for beds your pets can reach, rethink placement for the toxic ones, and if you ever suspect your pet ate something, call your vet or a poison line right away. This article shows you how to use the list; it is not a substitute for the list or for a veterinarian.