Perennial are flowering herbaceous plants, meaning their stems are soft and fleshy, not woody as with trees and shrubs. These small flowering plants grow and bloom over the spring and summer, die back every autumn and winter, and then return in the spring from their root-stock. Herbaceous perennials survive degrees of winter cold by virtue of roots that are stronger and more vigorous than those of annuals. With the onset of cold, the tops of perennials die down but the roots

The Facts Height: 1.5′ – 9′ Spread: 0.5′ – 1′ Sun: Full Sun Water: Medium Soil: Any Growth Rate: Fast This particular member of the sunflower family, Rudbeckia (Black-Eyed Susan), is a true North American native. The Native American tribes used it as a cure for colds, the flu and many other things. Large yellow flower heads with brown or black centers protrude on tall, fuzzy stems with their foliage staying lower to the ground. Though yellow is the predominant hue of R