Arisaema costatum is a cobra lily with warm burgundy spathes with white stripes.

Arisaema nepenthoides has luminous orangey stems and spathes emerge early each spring and can grow to 4 feet tall.

Arisaema speciosum has huge, tropical-like foliage and big burgundy spathes on a bold cobra lily.

Variety magnificum is like normal Arisaema speciosum except bigger in all respects.

Arisaema taiwanense 'Silver Form' has propeller-like leaves with a silver sheen. Very choice.

Arisaema ternatipartitum is a cute little colony-forming cobra lily with three-part leaves and shiny, brown spathes.

Burgundy and greyish-brown speckled spathes on cute, easy-to-grow plants.

Arisaema utile is like huge burgundy butterflies in the shade garden with dramatic foliage. A dramatic cobra lily.

Asarum splendens is one of the finest wild gingers with arrow-shaped, deep green leaves with silver marbling.

An Asarum with deep green arrow-shaped leaves with dramatic silver marbling and crazy cool flowers in spring. 'Quick Silver' is a great plant for garden or shady containers.

Aster macrophyllus ‘Twilight’ forms a groundcover of heart-shaped leaves and late summer clusters of lavender-blue flowers popular with bees and butterflies.

Aster subspicatus (Symphyotrichum subspicatum) has lovely lavender flowers with narrow petals around yellow centres.

Aster novae-angliae 'Grape Crush' is a New England aster with purple flowers with orange eyes.

Aster pyrenaeus ‘Lutetia’ has soft lavender, narrow-petaled flowers opening from pink buds on purple stems.

Aster Island 'Barbados' has late season light purple flowers and bright yellow centres.

'Dark Side of the Moon' is a unique Astilbe with dark foliage and purple flowers that bloom in late summer.

Baptisia 'Blueberry Sundae' has lupin-like spires of purple on mounds of bluish foliage.

Baptisia 'Burgundy Blast' is a false indigo with spires of purple and yellow flowers and blue-green foliage.

Baptisia Decadence 'Pink Truffles' has large, mauve-pink flower spires with pale yellow keels adaptable to many garden situations.

Baptisia 'Dutch Chocolate' is a false indigo with velvety, chocolate-purple flowers that resemble lupins.

Baptisia 'Grape Taffy' is very compact with spikes of warm royal purple flowers with yellow keels.

Baptisia 'Lavender Stardust' has extremely long 18 inch flower spikes in shades of lavender, purple, white and yellow.

Baptisia 'Sparkling Sapphires' has lupin-like spires of intensely vibrant purple on mounds of green, clover-like foliage.