Agapanthus Africanus Blue.
Rich blue flowers. Excellent for cutting.
Iris Bearded Blue Rhythm has a lovely cornflower-blue of excellent form and substance. Faintly lemon-scented.
Iris I. Stylosa Unguicularis.
The ‘Winter Flowering Iris’. Requires a light soil, and south facing spot. Sweetly scented lavender-blue flowers are produced in abundance.
Deep blue flowers with dark central veins.