Iris

Sky-blue flowers. 1m

Blue flowers, leaves stained purple at the base. Needs good moist soil and will even grow on the margins of ponds. 70cm

Swords of white and green striped leaves. Looks great all year round. Royal blue flowers. 30cm

Fans of long leaves on tough stems. Gorgeous pale-blue marked flowers. Needs a dry winter or protection.

Deepest dark purple flowers, almost black.

Yellow flowers with dark crimson falls. 80cm

A fountain of broad evergreen leaves. Pale-lavender flowers, splattered with purple in early summer. We find that it grows best in pots. 50cm

Violet velvety standards with large, darker falls combine to give the impression of a luxurious flower. 75cm tall.

Tiny iris with chunky deep purple flowers. 10cm

For once its name is descriptive, with each petal dark blue petal edged in silver.

Early spring flowering lavender-blue iris that needs a sunny well-drained, sheltered spot. 45cm.

The best of the spring-flowering miniature iris, with delicate gey-blue flowers.