Some varieties, like Penstemon digitalis, will also grow in wet soil ... Sowing seeds outside in the fall or early winter will let these plants grow naturally. Dig a small hole to plant the ...

Knowing the difference between hybrid, variety, cultivar and heirlooms will help you to decide what selection works best for ...

Purple coneflower (Echinacea purpurea) being visited by bumble bees. Purple coneflower (Echinacea purpurea). Foxglove beardtongue (Penstemon digitalis). University of Illinois Pollinatarium ...