Iris sibirica 'Ruffled Velvet' has lightly ruffled, purple-blue standards and darker purple falls, golden throats and dark veining.

Iris sibirica 'Sky Mirror' has beautiful flowers in shades of sky blue, royal blue, and lavender-blue.

Iris sibirica 'Snow Queen' has dazzling white flowers with the bases of the falls in golden yellow and is known to rebloom.

Iris sibirica 'Summer Revels' has creamy white to creamy yellow standards and buttery yellow falls.

Iris sibirica 'Sunfisher' is a Siberian iris with lightly ruffled lemon-yellow standards and deeper yellow falls.

Iris sibirica 'Temper Tantrum' has warm purple flowers with darker purple markings on upright structural plants.

Iris sibirica 'Tipped in Blue' is a showstopper with its soft violet-blue and yellow flowers.

Iris 'Before the Storm' is a lightly fragrant, bearded iris with dark purple-black blooms

Iris 'Loop the Loop' puts on a dramatic show with ruffled white flowers edged in purple-blue.

Iris tectorum is a roof iris with lovely, large, six inch wide blue flowers with white and purple markings.

Iris tenax or tough-leaf iris is a West Coast native with beautiful blue, lavender and purple blooms and evergreen foliage.

Iris unguicularis is a surprising feature of the winter to spring garden with fragrant, blue-mauve flowers from November-March.

Iris unguicularis is a surprising feature of the winter to spring garden with fragrant, icy blue-mauve flowers from November-March.

Purple new foliage emerges in spring followed by purple summer flowers.

Iris versicolor 'Purple Flame' has eggplant-purple new foliage in spring followed by purple summer flowers.

Iris 'Nada' is an evergreen iris with lush, subtropical-looking foliage and small white flowers with yellow and lavender.

Iris x ampliflora 'Ming Treasure' is a stunning giant plant with large, violet-blue flowers, yellow crests and white signals.

Iris x hollandica 'Apollo' has striking white flags, sometimes with a faint blue tinge, and pale yellow falls with dark yellow tips.

Iris x hollandica 'Autumn Princess' is a Dutch hybrid with striking bronzey red flags, rusty orange falls and purple highlights.

Iris x hollandica 'Eye of the Tiger' has rich purple-blue flags, burgundy-purple falls and yellow highlights.

Iris x hollandica 'Autumn Princess' is a Dutch hybrid with royal purple flags and deep yellow falls with bronzy-black detailing

Iris x hollandica 'Pink Panther' has light lavender and pinkish flowers with a yellow spot on the falls.

Iris x hollandica 'Red Embers' is a Dutch hybrid with beautiful warm purple standards and copper red falls with a bright yellow dot.

Iris x hollandica 'Rosario' is a Dutch hybrid with beautiful lavender petals, the falls marked by a large, dramatic yellow and white flare.