Rocky mountain penstemon (Penstemon strictus) produces vivid blue trumpet-shaped flower spikes that bloom along roadsides from May until August, says Phillips. This plant is drought-tolerant once ...

the Penstemon species (Penstemon spp.) can withstand drought conditions and will attract pollinators. Much like these plants, there are dozens of other species that are beneficial for lawns in the ...

This combination offers an array of heights, shapes, and colors. Despite its name, the thrilling Rocky Mountain penstemon is not just limited to the Mountain West. It's suited for USDA zones 4 to ...