Some varieties, like Penstemon digitalis ... Once you have located the suitable variety and purchased your seeds, there are a few things you need to know. Read more: 10 Mistakes Everyone Makes ...

The seeds germinate best when soil temperatures linger between 68 and 75 degrees Fahrenheit. Once established, pineleaf penstemon is drought- and poor-soil tolerant (but likes a little deep ...

If we don’t act to save the state’s rare plants and animals, they’ll disappear forever.” The white-margined penstemon is a rare low-growing perennial wildflower that lives on sandy washes and ...