Penstemon is a diverse genus of plants with over 250 species, all of which are native to North America. It is a testament to their beauty that horticulturists have developed hundreds of penstemon hybrids and cultivars over the past 300 years. The Southern Plains states of Texas and Oklahoma are home to about 29 native species, which means we have plenty of well-adapted penstemons to choose from! There is a penstemon for nearly every garden situation, from partial shade to sun, alkaline soils to acidic, caliche to loam, moist to dry. Here are a few choice selections that thrive in different situations.
Penstemons that like it hot and dry
Rock penstemon (Penstemon baccharifolius, Zones 8–10) thrives in dry, rocky conditions, which makes it an excellent addition to a rock garden. It’s truly a beauty known for its dark green leaves and bright red blooms. Because it has a sprawling growth habit, it looks…
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