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Throughout the summer, large, pure white flowers of Ipomoea alba open quickly at night, releasing sweet perfume into the evening air. Position near to your patio where you can enjoy the fragrant scent in the evening. A wonderful plant for a moth, night, or fragrance garden, the large white blooms appear to illuminate the garden

Ipomoea nil ‘Blue Picotee’ produces large, ruffled cobalt-blue blooms that are edged with bright white surrounding a deep rose throat. This extremely carefree and free-blooming, annual climbing vine will grow to around 120 to 180cm (4 to 6ft) tall. It will bloom early and load itself with masses of attractive funnel shaped flowers up to 10cm (3in) wide all summer long.

Ipomoea pennata is undoubtedly one of the most beautiful of all annual vines. The feathery foliage with thin, thread-like leaves give the plant a light, airy texture. In summer the plants burst into flower and are covered with hundreds of scarlet red, star shaped flowers.

This heirloom morning glory originated in Bavaria in Germany and named for the original Seed-saver Baptist John Ott, Ipomoea purpurea 'Grandpa Ott' flowers of intense violet-blue, with a ruby red star. It is a good climber for walls, trellis work or if allowed to scramble through other plants or trees.

Ipomoea 'Kniolas Black' is one of the darkest of all Ipomoea varieties available. It blooms with the most stunning dark velvety purple-black flowers, each with cerise throats. Very easy to grow, this extremely carefree and free-blooming climber will bloom early and load itself with masses of attractive dark purple-black flowers all summer long.

Iris bulleyana is a classic species Iris from western China. It belongs to a small group of oriental species which are entirely hardy and are of great value to the gardener. The plants are successful in any moist garden soil. Flowering from June to July, the blooms with mid purple flowers and dark purple veins.

Yellow Flag Iris is a common and widespread native plant in Britain. This good-looking plant is a wetland plant that is especially showy in bloom and has been transplanted into well-watered gardens all over the world.

Iris versicolor is one of the few species in garden cultivation. Although happiest at the waterside the plants will also perform well under average to moist border conditions. Flowering from May through to July, each stalk produces up to five violet-blue flowers with ruffled petals and bold purple veining.

'Kermesina' is an attractive and popular cultivar of Iris versicolor. Flowering from May through to July with claret-purple flowers with ruffled petals and bold purple veining. It may be grown in shallow standing water or moist shoreline soils and suitable to be grown in constantly moist humusy soils of a border.