Catnip
Purdue guide to aromatic and medicinal plants.
Catnip
Purdue University College of Veterinary Medicine - entry on toxic plant website.
Catnip
Article about catnip and how it affects cats.
Catnip
HDW Enterprises and Foothill Felines Bengals - Article about catnip, the aphrodisiac adored by cats everywhere, but a surprisingly versatile herb as well.
Catnip (Nepeta spp.)
Article on types of catnip, reaerch on catnip, and how to grow catnip.
Catnip Repels Mosquitoes More Effectively Than DEET
ScienceDaily Magazine - Researchers report that nepetalactone, the essential oil in catnip that gives the plant its characteristic odor, is about ten times more effective at repelling mosquitoes than DEET - the compound used in most commercial insect repellents.
Catnip: Why Do Some Cats Love It and Others Leave It?
Discussion of which cats respond to catnip, and how it should be handled for best response.
Fun for Cats: Catnip -- Fun or Dangerous?
Article on catnip and how it affects cats.
How does catnip work?
How Stuff Works - article on how catnip works, Why it is only for cats, and whether it works on tigers, and leopards.
USDA Fact Sheet on Catnip
Information on medicinal properties, non-medicinal uses, natural habitat, cultivation, harvest, storage, processing, marketing, conservation and management of catnip. [PDF format]
What is Catnip?
ProVet Healthcare article on active ingredients and common effects of catnip.