Brunnera macrophylla 'Alexander's Great' (PBR) (Siberian bugloss 'Alexander's Great'): Statement foliage plant for shade. Large, heart-shaped, silver leaves. Light-blue forget-me-not-like flowers in Spring. Hardy. Up to 40cm.

Brunnera macrophylla 'Hadspen Cream' (Siberian bugloss 'Hadspen Cream'): Large, heartshaped green leaves with wide cream margin. Sprays of forget-me-not blue flowers in spring. Hardy. Up to 45cm.

Brunnera macrophylla 'Jack Frost' (PBR) (Siberian bugloss 'Jack Frost'): Large, heartshaped silver leaves with green veins and leaf edges. Sprays of forget-me-not blue flowers in spring.Shade-loving plant. Hardy. Up to 45cm.

Catananche caerulea (Cupid's dart): Masses of papery lavender blue flowers held on wiry stems all summer. Seed heads turn silver in late summer. Good dried flower. Up to 60cm. [Collect Only]

Catananche caerulea 'Major' (Cupid's dart 'Major'): Masses of papery blue flowers held on wiry stems all summer. Seed heads turn silver in late summer.

Geranium 'Alan Mayes' (Cranesbill 'Alan Mayes'): Long flowering geranium with bright blue flowers with purple veining. Clumps of hairy green leaves, turning red in autumn. Hardy. Up to 45cm.

Geranium 'Brookside' (Cranesbill 'Brookside'): A reliable, robust variety with large rich blue flowers over a mound of deeply divided leaves. Height to 45cm. Hardy

Geranium 'Nimbus' (Cranesbill 'Nimbus'): Makes medium sized domes of finely divided foliage smothered in purplish blue flowers in early summer. To 50cm. Hardy

Geranium 'Orion' (Cranesbill 'Orion'): A dome of deeply divided foliage, smothered in large blue flowers from early summer onwards

Geranium pratense 'Mrs Kendall Clark' (Meadow cranesbill 'Mrs Kendall Clark'): Palest purpley/grey flowers, makes a good mound of foliage. Hardy. To 40cm.

Nepeta racemosa 'Walker's Low' (Catmint 'Walker's Low'): Forms neat mounds of silvery green foliage, topped with masses of lavender blue flowers in early summer. Up to 60cm. Hardy.

Polemonium Bressingham Purple = 'Polbress' (Jacob's Ladder 'Bressingham Purple'): Striking purple foliage topped with purplish blue flowers in early summer. Hardy. To 60cm [Collect Only]

Polemonium reptans 'Stairway to Heaven' (PBR) (Jacob's Ladder 'Stairway to Heaven'): Superb variety with attractive variegated foliage and lavender blue flowers. To 50cm. Hardy

Scabiosa caucasica 'Perfecta Blue' (Scabious 'Perfecta Blue'): Large cornflower blue frilled flowers over lance-shaped grey-green foliage. Height to 60cm. Hardy.

Stokesia laevis 'Purple Parasols' (Stoke's aster 'Purple Parasols'): Large, fluffy purple flowers over slender grey-green foliage. A lovely plant for sunny, well-drained borders. To 40cm. Hardy.