22.Penstemon
Penstemon is the name given to a vast genus of blooming perennials native to North America's Nearctic region. This makes them a perfect hardy flower for northern gardeners looking for bright colors to add to their landscapes.
Tubular blooms in various lovely colors, with purples being the most prevalent, can be seen on all types. Many varieties are both desert and cold hardy, allowing them to thrive in a variety of environments.
