Some penstemon varieties are native to Nevada; however most commercially available types are hybrids. All seem to benefit from full sun, well-drained soil with gravel or sand added, and once to twice weekly watering.
P. ambigua (Prairie Penstemon) 2 ft. tall by 2 ft. wide; white or pink flowers from June-September
P. barbartus (Beardtongue) 4 ft. tall by 2 ft. wide; red-lavender flowers from June-August
P. eatonii (Firecracker Penstemon) 3 ft. tall by 18 in. wide; blue-green leaves; red flowers from June-August
P. eriantherus (Crested Tongue Penstemon) 1 ft. tall by 1 ft. wide; gray-green leaves; lilac flowers
P. hirsutus 3 ft. tall by 2 ft. wide; dark green leaves; lavender flowers from June-July
P. newberryi 10 in. tall by 12 in. wide; dark green leaves; red or pink flowers in June
P. palmeri 4 ft. tall by 1 ft. wide; gray-green leaves; pink blooms from June-July
P. strictus (Rocky Mountain Penstemon)
2 ft. tall by 2 ft. wide; dark green leaves; purple flowers from June-July