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Amaranthus tricolour is grown for its beautiful foliage. 'Summer Poinsettia Mix' is a colourful mix of tropical splendors. Juicy colour combinations: deep green leaves topped with creamy chartreuse, vivid yellow, purple with red, and a tricolor mix of red, green and gold.

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.

Anchusa italica is a wonderfully statuesque plant with vibrant, gentian blue flowers, dense foliage and lance shaped mid green leaves. 'Dropmore' is a 1905 selection that is still available today. They will thrive in a sunny border and make a great companion to rich plums and purple tones.

Japanese Anemones are among the best late summer and autumn border flowers. The flowers open from round, silk-covered buds and in summer rain, look like pearls glistening in the border. Blooming from August to late October, they help push the show into autumn and provide colour when most gardens begin to fade.

Angelica archangelica is a majestic plant that deserves a prominent position at the back of a border or in a wild part of the garden. All parts of the aromatic plant have culinary or medicinal uses, but it is best known for its candied stems, used as a cake decoration.

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.

Anthriscus sylvestris is most characteristic of hedgerows, road verges and woodland edges. Our native Cow Parsley has a sophisticated form, with delicate, open, white lacy umbels, that from mid-spring to early summer look as though they're erupting from a well shaken champagne bottle!

In addition to having one of the most unusual names, Antirrhinum braun-blanquetii, is also one of the few hardy perennial species of snapdragon. Named for Josias Braun-Blanquet an influential 20th century Swiss botanist it bloom the first year from seed producing numerous spikes from which delicate yellow, large snapdragon blooms appear.

Antirrhinum majus ‘Appleblossom’ offers soft, pastel-toned blooms in peach, apricot and soft pink that are beautifully blended so that each ruffled flower looks as though it has been delicately hand painted. The densely packed spikes bloom in succession from early summer right through to mid-autumn.

This is a stunning snapdragon, first you get to enjoy the dark green foliage...then you are gifted with the smoldering velvet-crimson flowers. Antirrhinum majus 'Black Prince' does well in containers as well as the garden and makes an excellent cut flower. Rich, luxurious, and striking...don’t miss out on this one – you won’t be disappointed.

Antirrhinum majus are one of the most reliable flowers for the garden. Superb for contrast and for giving height to the border, 'Canary Bird' has excellent vigour, the densely packed spikes bloom in succession, providing months of deep yellow flowers on strong stems that are great for cutting.

Antirrhinum 'Dark Leaved Mix' blooms with a vibrant mix of colours, each with dark purplish bronze foliage. The robust plants grow to around 60 to 70cm (20 to 24in) tall. The densely packed spikes bloom in succession from early summer right through to mid-autumn.

Antirrhinum majus 'F1 DoubleShot Appleblossom' is part of a new series of snapdragons, perfect for use in the garden or as a cut flower. The stunning open-faced double flowers emerge in romantic pale pink and white blooms. Strong growing and vigorous, they bear lusty stems closely set with large, fully double blooms that are particularly long-lasting.

Perfect for use in the garden or as a cut flower, Antirrhinum 'F1 DoubleShot' have impressive strong stems that produce flowers all season long, even in lower light conditions and survive even strong winds. Stunning open-faced double flowers in the deepest, velvet red.

Perfect for use in the garden or as a cut flower, Antirrhinum 'F1 DoubleShot' have impressive strong stems that produce flowers all season long, even in lower light conditions and survive even strong winds. Stunning open-faced double flowers in mouthwatering peachy-apricot-pink