When you grow fennel you will find all stages of Black Swallowtail caterpillars, and perhaps a chrysalis like this one.
When you grow fennel you will find all stages of Black Swallowtail caterpillars, and perhaps a chrysalis like this one. Handout TNS
When you grow fennel you will find all stages of Black Swallowtail caterpillars, and perhaps a chrysalis like this one. Handout TNS

Weekly planter: Fennel puts on quite a show

July 15, 2015 10:00 PM