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 ...

This spring, I decided to grow some catnip in our herb garden. We had acquired some terracotta drain pipes off of Craigslist and had been using them as bottomless pots to house some of our more ...