Q: I'm thinking of planting some items along the side of our sand mound. In doing research, I understand that certain groundcovers should not be used on or near a sand mound. I came across some plants ...

WASHINGTON — You don’t need dirt to have a green thumb. It turns out, you can grow a pretty wild garden in a few cups of gravel. Richard Campbell, of Ellicott City, Maryland, has been gardening sans ...