Don't Throw Out That Spent Paper Towel Roll. Use It For This Gardening Hack Instead - Chowhound

sophiecat/Shutterstock Before you toss that empty paper towel roll into the trash or the recycling bin, wait a second. You might not know it yet, but that humble little cardboard tube is a genius gardening tool in disguise. Especially if you're the kind of person who's ever squatted over a seed row, trying to aim with your fingertips and hoping those tiny seeds didn't bounce right into the grass or land two rows…