Iberis sempervirens First Flush 'Lavender' is a candytuft with a long blooming period of bi-coloured lavender and white flowers.

Iberis x hybrida Mermaid 'Lavender' is a candytuft with deep lavender flowers.

This Ipheion mix offers shades of blue, lavender-pink and white all with a sweet fragrance.

'Warlsind' is a Juno iris has white flowers with yellow and burgundy markings on the tips of the falls.

Iris ensata Dinner Plate 'Blueberry Pie' has large, 6 inch wide, purple blooms with violet strokes and yellow centres.

Iris ensata Dinner Plate ‘Tum Tim Gros’ has large, 6 inch wide, lavender pink flowers accented with lavender veins.

Iris japonica 'Aphrodite', known as variegated fringed or crested iris, has white petals decorated with blue and yellow markings atop evergreen foliage.

Iris reticulata 'Dance On' has luscious royal blue flowers with darker blue, white, and yellow markings.

Iris reticulata 'Darkness' is a stunner with luscious royal purple flowers with near-black falls with bold white patches speckled with blue and yellow.

'Summer's Day' has lovely mid blue flowers with darker blue stripes and a yellow central stripe on each fall.

Iris reticulata 'Vivacious Beginnings' has rich, bright blue flowers with dark blue lines and white and yellow markings on the falls.

Iris setosa, the bristle-pointed or Arctic iris has attractive violet, purple, or blue flowers with white and yellow markings.

Iris sibirica 'Fancy Me This' has frilly flowers in shades of pink with yellow centres.

Iris sibirica 'Ginger Twist' offers an unusual colour break with flowers in shades of deep yellow, cinnamon, creamy yellow, white, and lavender.

Iris sibirica 'Solar Energy' has sublime flowers in yellows and creams with darker yellow veining.

Iris sibirica 'Purring Tiger' is a Siberian iris with elegant yellow falls that are heavily veined in purple with ruffled purple standards.

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

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

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, icy blue-mauve flowers from November-March.

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

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 royal purple flags and deep yellow falls with bronzy-black detailing

Iris 'Lovesick Blues' is an intricate wonder in white with violet veins.

'Abiqua Falls' is a beautifully ruffled, award-winning, sapphire blue iris with great vigour.