ARTICLE BY: AMY CAMPION Amy Campion is a HPSO Board Member, freelance writer, editor, and photographer. She blogs about gardening at amycampion.com. *** They’re a ragtag team, but they help me get a lot of important work done. George, Leonard, and Kevin are my gardening crew, and they’re also my cats. Now, you may think that cats are of little use in the garden. While it’s true they prefer supervising to physical labor, they are good company, and they’ve taught me many valuable gardening lessons. Here are six of them. #1 Save Some Grass There’s a war going on against…