A woman planting herbs in a garden - O2o Creative/Getty Images Beloved by felines and surprisingly useful to humans, catnip (Nepeta cataria) is a fast-growing herb that is easy to propagate from ...

Catnip plants contain such a compound that can help mask human scent, similarly to citronella plants. Catnip is fairly easy to grow, and can thrive in any type of soil, and in both sunny and shady ...