Paeonia suffruticosa 'Shimadaijin' has purple-magenta flowers with golden stamens.

Paeonia 'Symphonie Pourpre' has fuchsia-purple flowers edged with a pink picotee. Itohs are exciting crosses between tree and garden peonies.

Papaver orientale 'Central Park' has frilly raspberry-purple flowers with interior black blotches.

Papaver ‘Little Patty’s Plum’ is a compact form with large, dusky purple flowers with deep, dark central stamens surrounded by near-black spots.

Papaver ‘Patty’s Plum’ has large, dusky purple flowers with deep, dark central stamens surrounded by near-black spots.

Passiflora edulis 'Frederick' is a gorgeous and delicious, self fertile passionflower. Grow your own passionfruit!

Passiflora edulis 'Nancy Garrison' is a gorgeous and delicious, self fertile passionflower. Grow your own passionfruit!

Passiflora edulis 'Possum Purple' is a gorgeous and delicious, self fertile passionflower. Grow your own passionfruit!

The hardiest of all passionflowers, Passiflora incarnata has ornate purple and lavender flowers and tasty fruit.

The hardiest of all passionflowers, Passiflora incarnata 'Pink Pop' has ornate lavender-pink flowers and tasty fruit.

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

Passiflora 'Incense' is a stunning passionflower with ornate violet flowers with pink and white highlights.

Passiflora 'Jeanette' has Intricate mauve passionflowers with burgundy and blue detailing.

Passiflora 'Justine Lyons' has lavender-purple, reflexed tepals with thin deeper purple corona filaments and light fragrance.

Passiflora 'Lavender Lady' has intricate lavender flowers with purple-blue detailing.

Pennisetum 'Red Head' blooms earlier than other cultivars with extra large plumes in tones of red, smoky pink and purple.

Penstemon 'Riding Hood Purple' has bright purple, tubular flowers all summer. Hummingbirds not included but if you plant it they will come!

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

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.

Phlox divaricata 'Chattahoochee' is an eastern NA native ground cover with pale lavender flowers with magenta eyes.

Phlox paniculata 'Goliath' has huge clusters of fragrant, pinkish lavender flowers almost as big as a human head!

Phlox 'Amethyst Pearl' has sweetly fragrant, pinkish lilac flowers on stems under 2 feet tall and shiny, mildew-free leaves.

Phlox 'Bedazzled Lavender' is a creeping hybrid spring phlox with lavender flowers, a lighter haloed centre, and dark purple eyes.