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If there's one plant that can inject a little razzle-dazzle into the border during gloomy late summers it is Helenium. From late July 'Helena' blooms with masses of vibrant blooms in a spectrum of rich colours from gold to mahogany red. Perfect for the back of the border and wonderful for cutting.

Helenium hoopesii is considered by some to be the most valuable of the species. It blooms with bright golden yellow disk florets that each form a kind of rounded knob that transforms the flower from your typical two-dimensional daisy into something much more interesting and sculptural.

Sunflower ‘Autumn Beauty’ produces numerous long-stemmed flowers from summer to late autumn in a variety of solid and bi-colour bright warm colours - golden yellow, bronze, brown and burgundy. The long stems are excellent for cut flowers and look absolutely stunning in a vase on their own.

Helianthus annuus 'Copper Queen F1' is a professional quality, pollen-free sunflower with golden yellow petals and rich dark brown disks. 150cm (5ft) tall. The golden yellow petals are ‘dusted’ with a layer of translucent cinnamon-red, giving the large flowers a rich orange appearance. Cut the flowers as soon as all the petals unfurl.

Helianthus annuus 'Cut Flower Mixture' offers a diverse range of sunflower varieties that are suited to outdoor cut flower production. In a wide range of shapes and colours, lemon, golds and reds. The heights range from 80 to 150cm (32 to 60in). They are lovely in borders or vases.

Helianthus annuus 'F1 Gemini Summer' is F1 hybrid tall cut flower variety with golden yellow, double flowers. This professional quality sunflower is a pollenless, uniflora type that grows 90 to 120cm tall. Cut the flowers when the petals begin to unfurl from the face.

Developed for the cut flower industry, Helianthus ‘F1 Sunrich Orange’ has brought growing Sunflowers to a higher standard, in the last decade it has been the number one choice in horticulture. This F1 variety produces large petaled gorgeous coloured flowers just two months from planting. It is ‘day length neutral’ and will provide consistent flowers irrespective of the amount of daylight hours that it receives.

Great big fluffy golden heads the size of a dinner plate. This whopper of a sunflower has the same stunning densely packed yellow petals as the beloved dwarf 'Teddy Bear' sunflower but on a far larger scale. They make excellent cut flowers, long lasting and are very impressive in a vase.

If you like well-branched, free-flowering, traditional sunflowers that are not too tall, 'Holiday' is the one you've been looking for. At 120cm (4ft) tall, with golden yellow petals and dark centres, it bears armfuls of cheery 15 to 20cm blooms. Irresistible for cut flower bouquets and for a large garden planting.

Helianthus ‘Ikarus’ is a fairly recent introduction, but one that has started to make huge waves. This premium pollenless sunflower has a unique habit, they are basal branching, resulting in masses of primrose-yellow blooms each with glorious dark chocolate-brown hearts. They grow 90 to 120cm (3 to 4ft) tall.

Giant Sunflower 'Mongolian Giant' is a true giant reaching up to 420cm (14ft) tall with one of the largest flowering sunflower seed heads available, up to 45cm (18in) across. One of the largest-seeded sunflower varieties available to gardeners, the plants are ideal to grow to provide food for birds to eat over-winter.

Helianthus 'Pro Cut Red' is a stunning new dark addition to this widely grown series. Flowers are a deep, rich rusty-red, one of the best dark colours on the market. Dark chocolaty centers gradually give way to ruby ringed petals that fade to a lighter tip. The plants are uniform and vigorous in growth even under low temperatures

Helianthus annuus 'Pro Cut White Nite' is a professional, pollenless cut-flower variety that is used by florists all over the world. The cream petals mature to white and contrast beautifully with the dark brown centre. They plants are uniform and vigorous in growth even under low temperatures

Looking a little like a solar eclipse, ‘Ring of Fire’ is a dark centred sunflower that blooms with glowing red petals that gradually flare outwards to golden-yellow tips. Growing to a manageable 100 to 120cm (3½ to 4ft) tall with a branching habit, the flowers are pollenless. It is considered one of the best varieties for use as a cut flower.

Helianthus annuus 'Ruby F1' has a dark centre is surrounded by a dense array of rich deep ruby-red petals that form large 15cm (6in) flowers, on plants that are 150cm (5ft) tall. Suitable as a bouquet flower, cut the flowers as soon as all the petals unfurl. sown directly where they are to grow, they are very easy to grow and fast to flower.

Helianthus ‘Solara’ is a professional quality sunflower and one of the longest lasting cut flower varieties available. A pollenless, uniflora type that grows to around 130 to 150cm tall. It has a dark centre, surrounded by a dense array of rich golden yellow petals that form large 15cm flowers.

A new introduction that can be grown for use as a patio plant or as a cut flower. Early blooming and growing to just 100cm (3ft) with golden-orange petals and dark brown centres 'Sonja' produces a spray of flowering side branches that surround the main stem. Durable in the garden and long lived in the vase.

Sunflower 'Soraya' is the first Sunflower ever to win an AAS award. It produces lovely rich tangerine-orange flowers with dark brown centres The vigorous, self-supporting plants stand 150 to 180cm (5 to 6ft) tall. Prized for cut flower arrangements, they produce 20 to 25 flowers from each plant.

We advise that you plant plenty of this vivacious new sunflower. 'Starburst Lemon Aura' is the first sunflower to feature pure lemon flowers. There is no ‘dark eye’, the centres being a rather delicate lemon. The plant will reach around 120cm (4ft) in height and, as an added bonus, the flowers are completely pollenless and perfect for cutting