Are Silver vine toxic to cats?
No — safe. Silver vine (Actinidia polygama) is a catnip alternative — non-toxic and often more effective than catnip itself. About 80% of cats respond to silver vine versus 60% to catnip.
What's the full picture?
Silver vine (Actinidia polygama) is a plant native to East Asia that produces a stronger and more widespread behavioral response in cats than catnip. Research has found that approximately 80% of domestic cats respond to silver vine, compared to 50-70% for catnip — including some cats that don't react to catnip at all. It's completely non-toxic to cats.
The active compounds in silver vine are nepetalactol and iridomyrmecin, which are chemically related to but distinct from catnip's nepetalactone. They trigger the same opioid-receptor-mediated euphoria: rolling, rubbing, vocalizing, drooling, and general excited behavior lasting 5-15 minutes, followed by a 30-minute refractory period.
Silver vine is sold as dried plant material (often called 'matatabi' — its Japanese name), powder to sprinkle on toys, and pre-stuffed toys. The dried fruit galls are considered particularly potent. Silver vine is widely used in Japan as a cat enrichment tool and has been gaining popularity in the US as awareness of its effectiveness spreads.
Silver vine is safe to give to cats regularly. There's no evidence of dependency or harm from regular use. Cats don't appear to habituate as quickly as they do to catnip — you can typically use silver vine more frequently before the response diminishes. A reasonable approach is to rotate between catnip, silver vine, and valerian to maintain novelty.
Cats under 6 months typically don't respond to silver vine, valerian, or catnip — the response appears to be linked to sexual maturity. Cats that have been spayed or neutered retain the response; it's not hormone-dependent once developed.
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Questions owners ask
Is silver vine better than catnip for cats?
For many cats, yes — silver vine produces a stronger response and works for cats that don't respond to catnip. About 80% of cats react to silver vine vs 50-70% for catnip. If your cat ignores catnip, silver vine is worth trying. Both are completely safe.
What is matatabi?
Matatabi is the Japanese name for silver vine (Actinidia polygama). It's been used in Japan as a cat enrichment tool for centuries. You may see silver vine sold as 'matatabi sticks,' 'matatabi powder,' or 'matatabi fruit galls' — these are all the same plant in different forms.
How often can I give my cat silver vine?
Silver vine is safe for regular use. A few times a week is fine — cats don't develop harmful dependency. You may notice the response diminishing with very frequent use; rotating between silver vine, catnip, and valerian helps maintain the novelty response.
If you love the look but not the risk, pet-safe artificial plants are indistinguishable on a shelf and completely nibble-proof.
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About this guidance
Every entry on this site is compiled from published US veterinary toxicology sources — AAFP, ASPCA Animal Poison Control Center (ASPCA APCC) references, AVMA-registered practice materials, and peer-reviewed feline medicine literature. Where the evidence is mixed, we err on the cautious side because cats are unusually sensitive to many common substances that are harmless to humans and even to dogs.
This is general information written for US cat owners. It is not personalised veterinary advice for your specific cat, their age, weight, medical history, or the exact exposure you're dealing with. If your cat has eaten something or is unwell, call your vet first. The ASPCA Poison Control on (888) 426-4435 is available 24/7 for a small fee and can tell you whether an emergency visit is needed.
Entries are reviewed and updated as new research emerges. Spotted an error? Let us know — corrections are investigated and applied within 24 hours. For more context on how we work, see about and our full disclaimer.
Last reviewed: · By the Cat Ate It editorial team