After we read fennel was a host plant for black swallowtails, we bought some at the local farmer's market and planted it in the garden. Just like the book said, a swallowtail laid eggs on it and we ...

With blazing stars, goldenrod, echinacea and asters in full glory — as well as gardens filled with annuals — keep an eye out for swallowtails fluttering between blooms in search of nectar. Similar in ...