The elaborate Alnwick Garden in northeast England includes a "Poison Garden" that showcases plants with killer properties. Visitors are invited to look but not touch or even smell.
Joanne Silberner for NPR
The Nourishmat, which is inspired by Square Foot Gardening, makes it easy to grow 15 to 20 pounds of food in a small space with a plastic mat that serves as a garden planting guide.
Courtesy of Earth Starter