'Walker's Low' Catmint is known for its easy going nature - it can thrive in a variety of soil and sunlight scenarios, though it does prefer things on the sunny, dry side. Beautiful ...

The violet daisy-shaped blooms of 'Purple Dome' Aster pair beautifully with its honey yellow centers and forest green foliage. This native wildflower is easy to grow and compact, mak...

Russian Sage delivers tall, airy spires of lavender-blue color on highly-textured silver-gray foliage to the landscape. A robust plant, Russian Sage performs beautifully in hot, dry ...

May Night is the top signature Salvia, with famous deep blue/purple blooms. A big favorite. Perennial plant of the year in 1997. (Salvia nemorosa)...

This unique Echinacea produces showy, rose-purple blooms that last throughout the summer, even without deadheading. PowWow Wild Berry puts out more flowers than any other Coneflower ...

'Emerald Blue' Creeping Phlox is a fast-spreading, low-growing perennial groundcover that creates a carpet of pale lavender-blue flowers in spring. Extremely easy to grow, its early ...

'Purple Beauty' Creeping Phlox creates a mat of bright purple blooms paired with deep violet center eyes and grass-like foliage. This 4-6" tall spreading perennial flowers in the spr...

‘Big Blue’ Liriope is a low-maintenance groundcover for the most challenging sites. Spikes of blue-violet blooms complement deep green, arching foliage in late summer. Plants tol...

'Caradonna' is a striking bi-color sage with deep, purple-black stems that highlight its vivid blue flower spikes. Attracts beautiful hummingbirds and butterflies to the garden with ...

Love the lavender-blue flower spikes of Russian Sage, but don’t have the space? 'Little Spire' is the perfect choice for a border or small-space garden, growing to be only 24” ta...

'Lacey Blue' Russian Sage boasts wonderful spikes of lavender-blue flowers that bloom from mid summer all the way into early fall, providing extended interest with its fragrant, gray...

'Black Knight' Butterfly Bush’s deep purple blooms create a stunning contrast to its dark green foliage. Intensely fragrant and attractive to pollinators, 'Black Knight' is perfect...

'Blue Hill' Meadow Sage boasts striking, lilac-blue blooms and wonderfully fragrant foliage. A compact sage that works beautifully in border plantings and containers, 'Blue Hill' is ...

Siberian Iris Caesar's Brother blooms in blue and gold above clumps of tall, graceful, sword-like leaves. Beautiful, vigorous and super hardy. (Iris sibirica)...

Award-winning Hummelo Betony brings a vigorous burst of spiky violet blooms to your late spring garden while providing a strong mounding groundcover during the rest of the growing se...

Celebrated for its abundance of 2” globe-shaped flowers blooming in a deep shade of rhubarby purple, ‘Millenium’ Allium is a compact plant perfect for borders. A deer-resistant...

Aster Frikartii Monch is an easy growing nectar plant that adapts well to many growing conditions without complaint. Lavender-blue flowers with daisy-like petals and golden yellow ce...

Purpleicious' Vernonica (also called Speedwell) brings intense violet color to the summer garden on fragrant, tapered spikes. Attractive to butterflies and hummingbirds, 'Purpleiciou...

Venosa Violacea Clematis dazzles with velvety purple blooms distinguished by white centers that shine like stars against the vivid petals. Plants bloom over a long period from midsum...

Stunning, purple and white blooms will fill the garden with their sweet fragrance all summer long. Great for the front of the garden or containers. (Dianthus barbarini)...

Plant this luminous Astilbe in any shady spot of the garden and it will be sure to turn heads – Amethyst’s rich, lavender plumes almost seem to glow! (Astilbe arendsii)...

This low-growing variety has ferny foliage and produces magenta-purple blooms from early summer into fall. A beautiful groundcover. (Geranium sanguineum)...

A striking giant for the shade garden, 'Purpurkerze' Astilbe grows up to 42 inches tall with spectacular, candelabra-like flowers in rich purple. Foliage is deeply-cut and carries a ...

'Little Adder' Hyssop brings long lasting, purple flower spikes to the garden throughout the summer season, attracting plentiful butterflies, bumblebees and hummingbirds.. A compact ...