Gorgeous sky blue flowers, up to 6cm (2½in) across that open in the morning, appear throughout summer on this free-flowering, elegant climber. Height: 300cm (18). Spread: 30cm (12).
Superb dwarf variety of blue cornflower, compact and easy-to-grow with abundant flowers. Even suitable for patio containers and windowboxes. Height: 30cm (12). Spread: 20cm (8).Culinary information: Some parts of these flowers are edible. Click here for more details about edible flowers.
With heart-shaped leaves of chalky-blue this Hosta creates a fine structural shape beside a pond or in a shady border. Planted in moist conditions, this low growing beauty will spread to form dense ground cover. In July and August, as its name suggests, Hosta 'Fragrant Blue' produces sweetly scented mauve flowers on stems which rise above the clump of foliage. This Plantain Lily is a good choice for the front of a shady border or a woodland setting. Height: 50cm (1'8). Spread: 1m (3'3).
Delphinium 'Dark Blue & White Bee' makes a majestic statement at the back of summer perennial borders. This classic cottage garden perennial produces towering spires of indigo blue flowers which attract pollinating insects to the garden.
Perfect for creating a vibrant display that will turn heads all summer long! Trumpet-shaped, bicolour blooms in purple and cream cover these upright, mound-forming plants.
The glossy red berries of this blue Holly are a sure sign that Christmas is approaching! This eye catching evergreen is supplied as a standard tree, making the perfect container plant for framing your front door. As the name suggests, Ilex x meserveae ?Blue Maid? is a female variety. It produces tiny white flowers in spring which, if pollinated by a male variety, are followed by a profusion of holly berries. The scarlet fruits contrast beautifully with its glossy, purple-green foliage.
Blueberry 'Chandler' produces a wealth large, firm berries up to 2g each in weight and 20mm (¾inch) in diameter. The delicious, juicy fruits are produced from the beginning of August until mid September.
Plants with architectural interest are often quite large but Euphorbia 'Glacier Blue' is just 60cm wide and 60cm tall so everyone can find a space for it. The blue-green leaves are highlighted with cream edges so will give a silver effect that will be very welcome in winter gardens. From March to June tall stems of nectar-rich creamy green flowers will emerge to stand proud over the contrasting variegated foliage. With the extra feature of being drought resistant Euphorbia ?Glacier Blue' makes the perfect compact plant for low-maintenance borders and as cut flowers too. Height and spread: 60cm (24).
Most Hydrangeas produce great results but require little maintenance, and Hydrangea macrophylla 'Blue Danube' is no exception. When given space in a sunny or partially shady border or patio container, the hardy shrub will produce striking flowerheads in July and August. These blooms can grow to an impressive 20cm (8) in diameter, transforming cottage gardens and dominating any cut flower display. The papery petals are typically a blue-purple colour when the plant is grown in acidic soil, while an alkaline environment will result in a pink tone. Height: 1m (3'3). Spread: 1m (3'3).
A handsome, silvery blue conifer with a pleasing conical shape at maturity. The foliage takes on a purple tint during particularly cold periods that adds some seasonal interest.