Architectural

Acoelorrhaphe wrightii is native to Florida and parts of the Caribbean, this striking fan palm is small to moderately tall. Hardy to -6°C (20°F) it is one of just a few palms that can survive in saturated soil conditions. A good outdoor palm for a milder areas and a very tropical alternative to a hedge of shrubs.

Agapanthus Getty White is a sparkling plant with dense clusters of white flowers on erect stems. It is a sparkling plant and is dazzling against a dark green backdrop. They are terrific as cut flowers and are suited to both formal and modern style arrangements.

Agave mckelvyana is a small, relatively rare species of American Agave from western Arizona. This little beauty forms a tight rosette of broad, bluish green, fleshy leaves with small teeth. It is one of the hardiest agaves, it can take winter rain and is tolerant of drought and severe freezes to minus 15°C.

Agave xylonacantha 'Blue' is the beautiful blue-green leafed form. Rare in cultivation, this dramatic specimen is armed with the most bizarre large white teeth of all the family. One of its previous names, Agave carchariodonta was in reference to the teeth (odonta) of the Great White Shark, Carcharodon carcharias.

Hollyhocks are a mysterious and prolific flower with a long and rich history. Traditionally associated with cottage-style borders, the dramatic, near-black flowers of Nigra work equally well in a contemporary, minimalist garden. This unique variety creates an impressive impact against most backgrounds.

Commonly known as the Cat's Tail Aloe, Aloe castanea is one of the larger ‘shrub’ aloes available to the home gardener. The rosette gives rise to multiple, fuzzy, orange racemes which are held upright and curve like a cat’s tail.

One of the most attractive and floriferous of Aloes of South Africa, Aloe microstigma, forms solitary or small clumps of beautiful rosettes of blue green leaves. The leaves are adorned with conspicuous white spots, which contrast nicely with the reddish teeth along the margins.

Aloe striata, commonly known as the Coral Aloe is one of the prettiest of all succulents. The smooth, blue-green leaves are edged with a pink or red margin and it blooms with coral coloured flowers. Grown with Agave, cacti or other succulents, they make stunning indoor displays.

Ammi visnaga 'Green Mist' is a new variety of Queen Annes Lace, with larger, darker green and more mounded umbels than its cousin Ammi majus. It flowers from June to September the blooms are initially flattened and lime green, turning white. The textured flower heads are a flower arrangers dream.

Incredibly easy to grow the Annual Dwarf Flowers Mix grows to around 30cm (12in) tall. Flowering just 10 to 12 weeks from sowing, these fast-growing plants provide an easy and cost-effective way to give naturalistic planting, plug gaps and fill the border with a summer full of colour.

The Semi-Tall Flowers Mix is a richly flowering mixture of that produces large quantities of 50cm (20in) tall annual flowers for the border or for cutting. As well as being ornamental, they will provide nectar and pollen for bees, butterflies and other insects from early in the year to late in the season.

Composed of a finely balanced selection of annual flowers designed to provide a long succession of flowers from June to September, the Tall Flowers Mix grows 60 to 70cm (24 to 28in) tall and produces large quantities of flowers that are ideal for the border and for the vase.

Canna indica is a superb tall strain with gorgeous foliage and bright vermilion red blooms. Growing to around 150cm tall, the wide banana-like leaves add a tropical feel to the garden. They are ideal to plant at the back of a border where they are in full sun, or to add colour to a partly shady area.

Canna 'Large Flowered Hybrids' create an undeniably tropical look, producing large flowers in hot colours in yellow, gold, fiery orange and red. With their lush tropical foliage and showy flowers they make borders and beds come alive with their bright colours all summer long until first frosts.

Actaea cordifolia comes into its own late in the season, when multiple stiff and stout stems emerge from the base of the plant. It displays impressive long racemes of chalky-white blooms that are composed of numerous, tiny individual star-like, fragrant flowers.

Actaea simplex 'Atropurpurea' is an exceptionally beautiful selection, valued for its large Astilbe-like leaves of purple black. Its dark hue makes a wonderful backdrop for colourful foliage and flowering shade plants. In late summer, long, fluffy spires in pale pinkish-white, rise above the dark foliage.

The 'Cornish Palms' make fantastic points in containers or borders: their evergreen leaves provide interest throughout the year. The long slender leaves and a slow-growing trunk make this an architectural plant that lends itself to modern interiors.

This unusual pink form of pampas grass with tall, pink-flushed, feathery plumes is a real show stopper. In midsummer spectacular plumes erupt above the foliage. The show continues into winter as the feathery plumes persist and the foliage turns golden brown when touched by frost.

Cortaderia selloana 'White Feather' - Pampas Grasses are the ultimate architectural plant, adding texture, autumn colour and winter shapes in the landscape. Relatively easy to grow, this plant flowers throughout late summer and autumn. It will provide colour and interest for many years.