You just planted a tidy row of tiny broccoli in your garden. But when you head outside the next morning, you discover the foliage is full of weirdly-shaped holes—and some of the seedlings are gone!

Hostas are usually easy to grow in a shady perennial garden. But problems do exist, and steps can be taken to help head them off. Hostas have a reputation for being foolproof. Most of the time, they ...