Robust plant, suitable for edging, front of border and container. The cup-shaped blue flowers are 5 cm accross, plentiful, and on show all summer. Height 20 cm. Spread 30 cm.
Its golden heart-shaped leaves are an asset to a rockery or will brighten a border if used as edging. Produces star-shaped blue flowers in summer. Height 10 cm. Spread 30 cm.
Very compact and petite trailing plant. It is evergreen and has star-shaped blue flowers. These face upwards and appear from the middle of spring through to summer. Height 10 cm. Spread 15 cm.
This evergreen vigorous plant is indispensable. Easy to grow and hardy , it will be covered in deep blue flowers all summer long. Height 15 cm. Spread 50 cm.
A vigorous grower, this plant will fill crevices and cracks in the pavement, thus creating the established feel to the garden. Bright violet star-shaped flowers in summer. Height 15 cm. Spread 60 cm.
The star-shaped blue flowers arrive from late spring to summer. Evergreen and very suitable for groundcover in smaller patches, tubs and pots. Height 20 cm. Spread 60 cm.
The double lilac blue flowers seem to have one flower inside another flower, making them striking and extra frilly. Flowering during the summer months. Height 90 cm. Spread 60 cm.
The brilliant blue flowers that appear in July and August have a darker centre and resemble cornflowers. Suitable for drying. Height 60 cm. Spread 30 cm
Often grown as an architectural plant for its shapely leaves, the dark blue flowerheads in summer will attract many butterflies and bees to your border, Height 100 cm. Spread 45 cm.
The silver veined dark green foliage is very impressive when it reappears. The stiff steely blue flowerstems and flowers add to its magic in summer. Height 60 cm. Spread 40 cm.