Space plants about 2 feet apart,’ continues Alexander ... upright stems that stand around 5 to 7 feet tall, it can provide ample cover throughout the summer, and late into fall.

The white fringeless orchid, also known as the monkey-face orchid, is a beautiful, 2-foot-tall plant with a single light-green stem. This elusive perennial's elegant white flowers gather in a loose ...

This perennial can grow 2 to 5 feet tall and wide ... The cultivar "Everest Blue" is a tall-growing plant, 20 to 26 inches, that was developed for the cut flower market. Ageratum can be grown ...