NB Catnip Toys Green Rush
Catnip is not harmful to kittens, but most cats won’t react to catnip until they are 6 months to 1 year of age.
Catnip effects will vary in length, depending on the cat. Usually, the behaviors associated with smelling catnip will last for around 10 minutes and then wear off gradually.
It could then take 30 minutes without smelling catnip for the cat to become susceptible to the effects again.
Catnip does lose its potency over time, so it is recommended to keep it in an airtight container for maximum freshness.