Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Emma Fell, head of horticulture at Hillier, recommends Photinia fraseri “Red Robin” for our list of fast-growing shrubs.

It’s easy to feel powerless in the face of such a vast, complex system. But in their new book, herbalists Heather Wood ...