Indeed, it’s the layering of those petals which give the Blue Rose its alternative moniker; the flower itself resembles a pile of ruffled chiffon. Often, Russian Sage is more purple than blue, but it still provides a similar aesthetic to your garden. However, you can also find the “Blue Spire” variation of Russian Sage, which puts out flowers of a more royal blue hue.

It loves the full warmth of the sun’s rays and will do well in almost all soil types, while it’s also resistant to drought, pests and disease. The C trumpet made its debut in France right around the same time as the Bb trumpet as part of the movement to create a brassier sound than the cornet without the bulk of the F and G trumpets. Despite their name, the sky isn’t the limit for ‘Dutch Sky’ plants – they rarely reach a height in excess of two metres, but their spread can exceed one metre comfortably. Indeed, the deep blue lilac bloom is so heavily perfumed that you can even take cuttings to place around the home, and your household will be filled with a wonderful fragrance for days at a time. Eb and D trumpets produce an even brighter tone than the C trumpet. They are also smaller (if the instrument is smaller, the pitch will be higher.)Its heart-shaped flowers deliver up stems studded with pinky-purple buds, which unfurl themselves in late spring and early summer to reveal double flowerheads that are stunning for both the eyes and the nostrils. These easy-to-grow perennials look great when planted next to hostas or ferns, providing a colourful burst of colour against their understated foliage. 3) Lantern Tree This unusual plant bears red, neat-looking, bell-shaped flowers that grow in clusters that hang individually on long stems.

Producing beautiful bell-shaped flowers in shades of orange and red in the summer and autumn, this plant can grow up to 12m in height.Will grow up to 6-8 ft. tall (180-240 cm) in one season (grown as an annual), and up to 30 ft. tall (9 m) in frost-free areas. A fully hardy plant, the giant bellflower is easy to grow and care for, producing distinctive purply-blue bell-shaped flowers that can grow up to 5cm long during the summer months. They look great in natural planting schemes or as part of a most sophisticated cottage garden theme but will need replacing each year as they tend to only live for a short-period. Unlike all of the other plants mentioned on this list, Chinese wisteria won’t necessarily be confined to your garden.