Basil and most other culinary herbs, such as thyme, rosemary, cilantro, parsley and mint, will not harm your cats. Protect all your pets by determining the toxicity of all your house, garden and landscaping plants before planting. Check with your veterinarian or consult the ASPCA's list on Toxic and Non-Toxic plants.
About the Author
Based in Ohio, Deborah Waltenburg has been writing online since 2004, focusing on personal finance, personal and commercial insurance, travel and tourism, home improvement and gardening. Her work has appeared on numerous blogs, industry websites and media websites, including "USA Today."