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: Variety Dependent Spread: Variety Dependent Sun: Full Sun Water: Medium Soil: Well Drained Growth Rate: Fast This perennial is tried and true in the hot Oklahoma summer sun. Verbena is a great source of vibrant color for hanging containers, windows boxes and garden beds alike. Reds, pinks, whites and purples pop in the landscape. Like Phlox, Verbena comes in tall and creeping. The majority of the time, though, creeping Verbena is what is found in t