Architectural

Verbena hastata 'White Spires' is one of the choicest species available. It produces masses of pure white flowers on architectural flower heads. Its sheer volume of flowers make it a real winner. It is understandably increasing in popularity as it becomes more readily available.

Verbascum phoeniceum is a stately plant, which combines architectural form with beautiful colouring. 'Rosetta' produces elegant spires of intense pink blooms which are always much admired. They bloom throughout the summer, with a few sporadic flowers late into the year.

English gardeners are very familiar with this plant and consider it essential for a well-structured garden. Verbascum phoeniceum 'Hybrids Mix' flower freely, giving a glorious plethora of colours from delicate salmon to rich claret. A true perennial which can flower the first year given an early sowing.

The poise of the lovely Verbascum phoeniceum 'Flush of White' makes this plant a natural candidate for the front of the border, even though its height might suggest, that it should go at the back. In summer winds, which snap off delphiniums and toss sunflowers awry, the Verbascum stands defiant.

Verbascum ‘Snow Maiden’ is an incredibly beautiful mullein that grow to just 36 to 48cm tall. With masses of soft white flowers each with delicate yellow filaments they flower in June and continue to appear over a long summer, often right through to September. Very easy to grow from seed.

One look at this species of Verbascum and you will realise why it is also called ‘Arctic Summer’. Tall, white, fleecy flower stems emerge from felted evergreen leaves in early summer. Its stems and leaves are covered in a silvery down that gives it an appearance of being permanently covered with frost.

Verbascum are a wonderful plant for making a garden feel uncontrived, producing masses of flowers without taking up lots of space on the ground. ‘White Blush’ is one of the most popular varieties. Growing to just 100cm, the dark crimson buds open to reveal large white flowers with deep purple stamens.

As they say, white goes with everything and among theme gardens, the white garden may be the most popular. The White Garden Flower Mix gives a selection of spectacular, bright white annual flowers. Calm, soft and serene this beautiful mix will carry borders into early winter with panache.

Red flowers are much prized in the garden. They stand out, enlivening the foliage with a burst of colour. Even on the dreariest day, red flowers have a dramatic visual impact. Easy to grow and fast to flower, hardy annuals can be unrivaled for bringing summer colour to the garden.

In the garden or in an arrangement, pinks are the easiest colours to combine. From rose to magenta, there are more flowers that bloom in these shades than any other colour. Easy to grow and fast to flower, these hardy annuals can be sown directly outdoors where they are to grow. They are unrivaled for bringing summer colour to the garden.

Ranging from pale baby blue to deep midnight shades and growing to an average height of 70cm (28in), this mix of annual flowers is ideal for the garden and the vase. Blue flowers are associated with serenity and calm - plant them in spring and then tell me that your pulse rate slows just a little bit!

Thalictrum lucidum is a less well known species of meadow rue, it sports luscious deep green, fern-like foliage. In mid-summer the plant is festooned with a superb array of fragrant flower stems, topped with airy puffs of soft cream flowers each with bright yellow stamens.

Setaria italica Red Jewel is a rarely-offered variety of annual grass with intensely coloured burgundy red foliage and dramatic foxtail-shaped flower heads. Suitable for growing in the garden or in containers the dark foliage is a great contrast in the garden or the vase.

Ricinus communis 'Carmencita' is an outstanding new variety with shiny dark brown foliage. The palmate leaves have deeply incised lobes and grow 30 to 75cm (12 to 30in) across. The plants have red stems and in late summer clusters of bright red blooms are followed by stunning scarlet seeds pods.

The development of bananas is a source of both pride and amazement to those unfamiliar with banana culture. Musa acuminata is a 'dwarf variety' with broad, long, graceful leaves, and is extremely suitable for containers or gardens.

Muhlenbergia lindheimeri is a warm-season grass that has a strong vertical form with effusive, arching, blue-green foliage. It sends forth slender, perfect-for-cutting inflorescences on upright stems. Panicles of muted purplish grey tones that age to an antique silver and festoon the winter landscape.

Even people who aren’t familiar with ornamental grasses often know Muhlenbergia capillaris. With dramatic arching plumes of soft pink flowers reminiscent of headdresses worn by Vegas showgirls, a large planting of this wonderful grass is enough to stop traffic.

Bred for a long flowering period with unbeatable garden performance, George Russell developed one of the most popular and distinctive plants in history. Magnificent vertical stems of densely packed soft pink flowers each with a white flag. The Chatelaine’ provides that rare combination of power, poise and subtlety.

The magnificent vertical stems of Lupin ‘My Castle’ produce vibrant red blooms bringing height and grandeur to summer borders. The intense colour of this robust variety makes a real statement when planted in drifts, or dotted among other perennials.

Each small flower of Band of Nobles ‘Chandelier’ is a glorious shade of golden yellow, and the standard (the upper petal) is often a shade or two lighter. They have been bred for a long flowering period and give unbeatable garden performance.

George Russell developed his Lupins aiming for, and achieving a central stalk or spike totally obscured by colourful flowers. 'The Governor' is one of the most popular from the series and features deep ultramarine blue blooms each with white flag.