After the discovery of the Americas in the 15th century, Europeans brought back many types of plants that gardeners take for granted today, including potatoes, sunflowers, and tomatoes. Pampas grass ...
Rocks used as accents, retaining walls, and ground cover in landscaping - Schad1953/Getty Images Rocks are the unsung heroes of landscaping. They don't need water, pruning, or fertilizer, and yet they ...