Of all the people I know, I suspect Joe Derek is the only one who would reach out to tell me he has 50 cow parsnip plants growing in his yard. I did not initially share his excitement for them, at ...

Cow parsnip mostly attracts pollinators like bees, who can use all the help gardeners care to offer. One year, Derek said, he stuck his nose and a camera into one of the wide white spreads of ...