Calamintha nepeta 'Blue Cloud': Spikes of small, soft blue flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Campanula persicifolia (Peach-leaved bellflower): Tall spikes of large, cup-shaped blue flowers over slender foliage in mid-summer. To 1.2m. Hardy

Cynoglossum nervosum (Himalayan hound's tongue): Upright stems of clear blue flowers, like Forget-me-not, bright green hairy, lance-shaped leaves. Needs sun and well-drained soil. Hardy. Up to 60cm. [Collect Only]

Echinops bannaticus 'Blue Globe' (Globe thistle): Tall upright stems of bright blue globe flowers above clumps of spiny, grey-green leaves. Bee-friendly. Hardy. Up to 1.2m.

Geranium 'Blue Cloud' (Cranesbill 'Blue Cloud'): Tall cultivar with pale blue flowers & dark purple veining above deeply divided green leaves. Long-flowering. Hardy. Up to 90cm. [Collect Only]

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

Geranium pratense 'Cloud Nine' (Meadow cranesbill 'Cloud Nine'): An attractive double form of the familiar meadow cranesbill with lovely soft blue flowers. Strong growing. Hardy. Up to 90cm. [Collect Only]

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

Iris sibirica (Siberian Iris): Soft, purplish blue iris flowers over strappy green foliage. [Collect Only]

Iris sibirica 'Silver Edge' (Siberian Iris 'Silver Edge'): Rich purple flowers with a fine silver picotee petal edge. [Collect Only]

Nepeta parnassica (Catmint): Very tall catmint with stout stems up to 1.8m and aromatic blue flowers

Poa labillardierei (Blue tussock grass): Elegant, upright grass with slender blue-green leaves. Arching, open biscuity-coloured panicles in mid-summer. Evergreen.To 1.2m Hardy [Collect Only]

Scabiosa caucasica 'Clive Greaves' (Scabious 'Clive Greaves'): A very good reliable old variety of scabious with large blue frilled flowers over lance-shaped grey-green foliage. Height to 60cm. Hardy. [Collect Only]