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Height range: 20 - 60 cm
Half a dozen white flowers tipped with green; vigorous, large-flowered variety.
Spikes of white flower heads in mid-summer; grassy, pale-green foliage.
Spikes of china blue flowers with yellow stamens.
Slightly nodding, bowl-shaped pink flowers with a purple flush.
Blue flax; small pale blue flowers with narrow, blue-green leaves.
Evergreen perennial with strap shaped leaves and bright violet mauve flowers.
Attractive grey, white-veined leaves; spikes of pale pink, red-veined flowers.