For anyone who's interested, I also wanted to include a list of herbs NOT to give your pet. Here's a few resources that I've found helpful, some are from vets --
These are unsafe:
Unsafe Herbs for Dogs and Cats
This is a vet, with a good cross reference --
Herbs Herbs, Supplements, Minerals & Vitamins in Holistic & Alternative Vet. Med.
Dr. Kidds is a noted vet, you can read a few pages free...
Amazon.com: Dr. Kidd's Guide to Herbal Dog Care:... Cancer Herbs, Natural Cancer Treatment, Dogs, Cats, Canine & Feline, Pets
take good care
....Dee