Papaver orientale 'Turkenlouis' has fringed, vermillion-orange, crepe-papery flowers.

Papaver ‘White Ruffles' is a compact Oriental poppy with large, ruffled white flowers and black centers.

Passiflora caerulea ‘Blue Bahama’ is a passion flower that has white flowers with a light purple-blue halo.

Passiflora ‘Aphrodite's Purple Nightie’ has large purple flowers that are topped with a crown of deep purple, blue, and white filaments.

Pelargonium 'Orange Fizz' is a tender,citrus-scented geranium with single flowers that are pink and purple and scented with evergreen foliage.

Penstemon barbatus 'Coral Baby' has glowing, intense, coral-pink, tubular flowers continuously from mid spring until frost on long-lived plants!

Penstemon barbatus Riding Hood 'Delft Blue' has deep blue, tubular flowers with purple infusions on slender stems.

Penstemon 'Riding Hood Red' has lipstick red, tubular flowers all summer. Hummingbirds not included but if you plant it they will come!

Penstemon caespitosus 'Wagon Wheel' is a ground hugging perennial with stems that grow into circular mats of small blue flowers.

Penstemon davidsonii is a lovely little native beard tongue with lavender pink flowers overlain with an iridescent blue.

Penstemon digitalis Dakota 'Burgundy' is a beard tongue with lavender-pink tubular flowers and burgundy foliage.

Penstemon 'Midnight Masquerade' is a tall beardtongue with very dark foliage and lavender flowers with white interiors.

Penstemon fruticosus is a native beard tongue with large lavender purple flowers on short, spreading mats.

Penstemon grandiflorus 'Prairie Jewel' is a beardtongue with tall stems of lavender-pink to deep purple flowers and green-blue foliage.

Penstemon linarioides var. coloradoensis 'Silverton' forms evergreen, silvery mounds topped with spikes of blue, purple, and pink tubular flowers.

Penstemon pseudospectabilis has opposite, blue-grey, serrated, evergreen leaves, stems to 3 feet tall, and tons of shocking pink flowers.

Penstemon rostriflorus is a large, long-lived beard tongue 2-3 feet tall producing tons of scarlet red tubular flowers from late July until frost.

Penstemon strictus is a tall, dramatic species to about 30 inches with bold blue and purple tubular flowers.

Penstemon xylus 'Tushar Blue' is an evergreen ground hugging perennial with lavender-blue tubular flowers.

Penstemon 'Cha Cha Purple' offers tubular wine-purple flowers all summer long.

Penstemon 'Flock of Flamingos' offers tubular, two-tone pink flowers all summer long.

Penstemon Nova 'Pearl' offers tubular white flowers on upright stems all summer long.

Perovskia atriplicifolia 'Blue Steel' has some of the darkest blue flowers of the Russian sages.