Plants that can thrive with minimal fuss enable ... Suitable for a wide range of hardiness zones, from zones 2b to 10. 3.

Some varieties, like Penstemon digitalis ... Sowing seeds outside in the fall or early winter will let these plants grow naturally. Dig a small hole to plant the seed up to a half-inch deep ...

They live in areas where their associated larval host plant, the New Mexico penstemon, is found. RANGE: The Sacramento Mountains checkerspot is found only within the Sacramento Mountains of central ...

The tall western penstemon is part of a genus of plants commonly known as “beardtongues.” Its vivid purple-blue flowers, perched high atop its unusually long stems, make a distinctive and beautiful ...

Lawrence, T. J. and S. L. Datwyler. 2016. Testing the hypothesis of allopolyploidy in the origin of Penstemon azureus (Plantaginaceae). Frontiers in Ecology and ...