Make a wish before blowing on a dandelion, some say, and the confetti of airborne seeds might give your wish liftoff. Or you might just end up with a new batch of dandelions to wish on later. Neither ...

It is a childhood favorite, but is disliked by most adults. It’s the dandelion — the little yellow flower that shows up early in the spring and seems to grow better than everything else. How does such ...