Erect semi-evergreen with spikes of blue flowers in early summer. Grow in sandy moist or well drained soil in full sun or partial shade. Height 90cm, spread 30cm. RHS RECOMMENDED PERFECT FOR BEE PO..

Borage. Large hairy green leaves and clear blue flowers in summer. Leaves can be cooked with cabbage and the flowers can be added to salads although not recommended for people with liver problems. ..

Sprays of tiny blue forget-me-not flowers in spring. Lovely cream and green variegated leaves. A good clump former for sun or shade.  Any moist, fertile well drained soil.  Easy to grow a..

Pride of Madeira. Sub shrub, spreading branches hold narrow, hirsute, silvery grey-green leaves with dense, candle like,  deep blue flowers in spring. Height to around 1.2m. Cut back after flo..

The white flowered giant Echium. A majestic plant with rosettes of large, broadly ovate, hirsute leaves. In it's second or third year it shoots up a flower spike to 3m tall covered in thousands of ..

Large flower spikes of violet blue to purple bell flowers rise from the middle of the rosettes of lanceolate grey green, hirsute foliage. Flower stems reach 90cm and as well as looking impressive are ..

Intense gentian blue flowers in May/July. Well drained peaty soil in sun. Height and spread to around 20cm x 40cm. ..

Beautiful intense crisp blue star shaped flowers from May to July. Evergreen, low growing, alpine with a compact habit. Well drained peaty soil in sun. Height and spread to around 20cm x 40cm. ..

Deep green oval leaves form lush mounds to around 15cm tall by 20cm wide. In Spring and early summer short flower spikes hold masses of indigo blue forget-me-not flowers. A hardy short lived pe..