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Summer Flowering Perennials
1 - 60 of 330
Beautiful, deep blue florets stand proud on tall stalks each summer on this outstanding African Lily. Agapanthus ?Flower of Love?, being a hardy perennial, will flower year after year, getting larger and stronger with each passing season. These reliable plants… More Info
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…provides an elegant and graceful presence in the garden, associating beautifully with other late summer flowering perennials. Perfect for borders and patio containers. They make superb cut flowers, but try to leave some standing as these will attract… More Info
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Geranium 'Flower Fairy Pink Splash'
…Pelargonium in patio containers and window boxes for a dramatic hit of summer colour. The bright pink blooms are splashed with scarlet at the centre, contrasting beautifully with the lobed, green foliage. Geranium 'Flower Fairy Pink Splash' is trouble-free and easy to… More Info
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Giant-Flowered Fuchsia Collection
…?Holly?s Beauty? and ?Peachy? varieties, all of which have large, exotic flowers, up to 10cm (4in) across. They grow on long trailing stems, making these plants perfect for growing in summer window boxes, hanging baskets, and Flower Pouches?. They thrive in… More Info
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Geranium Summer Lovers Collection
…superb garden performance that will last the summer long. Height and spread: 40cm (16). Geranium Summer Lovers Collection comprises: * Geranium 'Grandeur® ?Classic White Splash' ? An eye-catching zonal Pelargonium boasts bright, bicolour flowers. * Geranium… More Info
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Bellis perennis 'Pomponette Bicolour'
…new evergreen perennial double daisies will make a refreshing change to the pansies and primroses in your usual spring bedding scheme. Their edible, quilled, pompom bicoloured blooms make a pretty splash of colour that will last through to early summer. With a neat,… More Info
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Alstroemeria 'Holiday Valley' (Summer Paradise Series)
…throughout summer. Flowering for months on end, there will be plenty of blooms to spare for cut flower arrangements. This tough little Peruvian Lily is extremely hardy, coping with temperatures as low as to -15C (5F)! Part of the Summer Paradise Series,… More Info
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Alstroemeria Summer Trio is a great addition to an exotic planting scheme, as the three varieties of Alstroemeria, all have gorgeous, tropical looking flowers. They flower throughout the summer, and can be grown in planters, or garden borders. Some can also be… More Info
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Perennial Summer Garden Collection
…bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Your borders will be bursting with colour year after year when you choose this superb
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…trumpet-shaped flowers. Its nectar-rich flowers are gently scented, and attract pollinating insects. This spreading, deciduous shrub has unusual dark blue-green foliage, and forms a dense cloak of leaves. Grown in mixed borders, it creates an excellent background for … More Info
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Alstroemeria 'Spring Valley' (Summer Paradise Series)
…contrasting, bright red markings that make an eye-catching display. This hard working Peruvian Lily produces masses of flowers throughout the summer ? perfect for those cut flower bouquets! Plant Alstroemeria 'Spring Valley' in patio containers or at the front… More Info
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…make vibrant, long lasting cut flowers. The stately blue green, deeply ribbed foliage makes an attractive foil for their magnificent flowers. Exquisite specimens for the greenhouse and conservatory, or for a bright windowsill indoors. Move them outside during
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A delightful blend of gorgeous pink shades with a hint of white. Masses of attractive pin cushion heads wave delicately in the summer breeze, attracting butterflies to your borders. Height: 60-90cm (24-36in). More Info
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Delphinium 'Summer Skies' (Pacific Hybrid)
…blue flowers, that are perfect for adding height and colour to garden borders. Traditionally a cottage garden plant, they are also a popular choice for a range of garden styles. As well as being planted in garden borders, Delphinium 'Summer Skies' can also be planted… More Info
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Dianthus barbatus 'Summer Sundae'
This exclusive blend has been specially selected to flower in the first year from seed, a completely new and exciting concept for Sweet Williams. Often grown as a biennial, this short lived perennial is ideal for cottage garden borders, beds and containers. Height: 45-60cm … More Info
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Achillea millefolium 'Summer Pastels'
…millefolium 'Summer Pastels' is a resilient hardy perennial, thriving on light sandy soils and coping well with coastal conditions. Its inspiring mix of pastel shades creates a wonderful tapestry of summer colour, and makes a lovely, informal cut flower.… More Info
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Geranium pratense 'Summer Skies'
Tightly frilled, mauve-pink flowers with contrasting yellow centres. This double hardy Geranium has a tall branching stems with deeply cut foliage. Undemanding and easy to grow, Geranium pratense 'Summer Skies' makes an eye catching perennial for cottage garden borders… More Info
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Delphinium ?Summer Blues? is a charming dwarf variety forming a pleasing, well branched plant. The sky blue flowers appear above a bushy clump of finely cut foliage that gives a delicate lacy appearance. This pretty little perennial is perfect for the front of borders,… More Info
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…contemporary style gardens. Alstroemeria 'Summer Lovely' has'large, scarlet red flowers, and dense, lush green foliage.'Pulling the tall stems, rather than cutting them, will encourage even more blooms to grow. It flowers continuously throughout the summer<… More Info
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The sister variety to immensely popular 'Indian Summer', once again displaying shimmering bronze foliage. A fine border plant, which flowers for almost 5 months, and is unfussy about where it grows. Grow your own cut flowers; and in colours you'd never find in the… More Info
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…striking fiery coloured flowers from June to November, this compact and hardy peruvian lily is an ideal specimen for a patio container. The rich bronze foliage makes the perfect backdrop to the flowers, highlighting their glowing colour. Grow Alstroemeria 'Indian
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…Foxglove. This very compact variety produces neat flower spikes with huge, eye-catching strawberry-rose bells. A vigorous variety which is sure to make any early season garden shine, as well as attracting nectar-loving bees. Digitalis Summer King is a naturally… More Info
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Strawberry 'Summer Breeze Rose'
…produced a real beauty! With double blooms in a deep shade of red-pink, Strawberry 'Summer Breeze Rose' will look equally at home among your favourite herbaceous perennials. Ornamental strawberry plants keep their flowers for longer than their single-flowered… More Info
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Rhododendron 'Geisha Orange' (Azalea Group)
…borders of small gardens, and is also a great addition to an alpine garden rockery. It flowers in May and sometimes in June, helping to provide colour in between spring bulbs, and summer flowering perennials and annuals. Azaleas are suitable for patio… More Info
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…effect, seemingly producing an array of pink, white and red flowers on a single plant. The evergreen leaves of this slow-growing shrub make a good foil for summer flowering perennials when planted at the back of a border, and the flowers can be… More Info
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Small cream summer flowers are followed by bright orange lanterns in autumn. An easy perennial to grow, ideal in full sun borders, and great in dried displays. Height: 75cm (30). Spread: 90cm (36). More Info
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…and vanilla. This striking bearded iris produces its mouth-watering blooms on upright stems, above a clump of sword-shaped foliage. Flowering in early summer, this hardy perennial is perfect for sunny borders in cottage gardens and urban planting schemes alike.… More Info
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Pansy 'Karma Blue Butterfly' F1 Hybrid
…of each bloom. Sure to create an eye-catching display in spring or summer flowering borders or containers. A Hardy Perennial often used as a Half Hardy Annual. Height: 15-20cm (6-8in). Culinary note: Some parts of these flowers are edible. The… More Info
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Sophisticated elegance with real staying power! Bursting into bloom in summer, this semi evergreen perennial produces masses of tubular lilac flowers with broad satiny white throats. Blooming all summer long and well into autumn, Penstemon Czar perseveres… More Info
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Geranium pratense 'Cloud Nine'
…producing a sumptuous summer display! Ruffled, lilac-blue, double flowers above mounds of finely cut foliage make this an attractive border perennial. Flowers appear in early summer, attracting plenty of pollinating insects. A second flush is… More Info
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Pretty flowers on slender stems, makes Penstemon Twizzle a lovely plant for the middle and rear of cottage and priarie style, herbaceous garden borders. It is a perennial, and flowers throughout the summer. It's also a great plant for a cutting patch, as the
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Wonderful spires of soft yellow flowers appear in profusion from early summer on this delightful herbaceous perennial. The architectural, palmate leaves form bushy clumps and are the perfect addition to billowing cottage garden borders. Lupin 'Chandelier' look stunning… More Info
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Potentilla thurberi 'Monarch's Velvet'
…right - but add a deep velvet red centre, appearing just like an ink blot which has diffused outwards and the flowers radiate beauty; a real garden treasure. Flowering over a long period, an absolute must for the perennial border and cottage garden alike.
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Catananche caerulea 'Amor Blue'
This fabulous summer perennial provides a stunning blue accent to planting schemes, flowering on tall, upright stems throughout the summer months. Later, attractive seedheads form, prolonging the season of interest right into autumn. Flaunting a fabulous airy… More Info
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Linum grandiflorum 'Salmon Bright Eyes'
…Linum grandiflorum 'Salmon Bright Eyes' will flower all summer, producing an elegant display of salmon pink blooms, each with a deep orange eye. Effortlessly beautiful, this hardy annual Flax is at its best when planted among other annuals and perennials to… More Info
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…name for this Penstemon, which is among the finest in the Volcano series. Perhaps best known for its non-stop flowering throughout the summer and early autumn, this hardy perennial?s compact, upright habit makes it well suited to the front of sunny or partially… More Info
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…from wall crevices, or softening the edges of rockeries and hard paving. An abundance of striking pink summer flowers envelop the bushy, semi-evergreen stems of this vigorous dainty perennial. Tumbling Ted is an easy to grow RHS AGM variety that will lure… More Info
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Alstroemeria 'Valley' Collection (Summer Paradise Series)
…tough perennials will tolerate temperatures as low as -15C (5F). These varieties come from the Summer Paradise Series, bred for a compact habit and short stems that won?t need staking. The Alstroemeria ?Valley Collection? are ideal for patio containers, perennial<… More Info
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…height and stature to the back of perennial borders, hollyhocks made handsome cut flowers for summer bouquets and their nectar-rich blooms are a magnet for butterflies. Height: 200cm (79). Spread: 60cm (24). Culinary information: try crystallising the
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Gaillardia x grandiflora 'Arizona Red Shades'
A spectacular new dwarf Blanket Flower with a long-flowering period and superb garden performance. Flowering in their first year, the fiery red blooms sit neatly above uniform, well-branched plants throughout summer and well into autumn. Gaillardia x grandiflora … More Info
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One of the finest perennials for the border we have seen. It has a very long season of flowering lasting well into the autumn and early winter. The dense, double, pin cushion scabious like flowers are a brilliantly strong cherry red, a rare colour in border flowers.… More Info
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…garden with sunshine blooms throughout summer, and well into autumn. Flowering in successive flushes from June to October, Helenium ?Lemon Sundae? is the perfect choice for sunny borders and brightening up patio containers. These well-branched hardy perennials… More Info
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Light green leaves with pretty tubular vivid red flowers that bloom throughout the summer. Removing seed heads encourages prolific flowering. Flowers June-August. Miniumum height 30cm; maximum height 50cm. Maxiumum depth 10cm. Useful Links: How to sow small… More Info
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Towering spires of tightly packed semi double flowers in a range of beautiful colours. These stately perennials make a dramatic focal point for adding height and structure to the back of summer borders. Delphinium 'Pacific Hybrids' is a ?must-have? plant for cottage… More Info
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A compact, perennial scabious producing masses of lilac-blue blooms throughout the summer, above neat cushions of green foliage. These charming pincushion flowers are highly attractive to bees and butterflies and their slender wiry stems can also be cut for a posy or… More Info
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…upright magenta pink flower spikes from late spring to late summer, making it perfect for cottage garden borders. Although they are showy and robust, Lythrum are easy to grow, hardy perennials when grown in a moist border in full sun, where they are hard to… More Info
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…beautiful rose pink blooms from late spring to late summer. The central seed head is revealed as the petals drop, ensuring plenty of interest well into the autumn. Echinacea 'Nectar Pink' looks superb in a summer border and also makes an excellent cut flower.… More Info
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Penstemon 'Pensham Westminster Belle'
…flower tirelessly from June to September, 'Pensham Westminster Belle' attracts a constant steam of bees with its nectar-rich blooms. Bred to withstand lower temperatures and changeable summer weather, Pensham Penstemons perform particularly well in UK gardens. These… More Info
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…border; they are perfect for adding height and colour. These outstanding perennials will certainly attract lots of attention when planted in your garden. Delphinium 'Black Knight' flowers from early summer, often flowering twice, ensuring a long-lasting… More Info
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Creeping Fragrant Phlox Collection
…with flowers. This hardy rockery plant has many uses - underplant trees, shrubs and tall perennials, soften path edging or cover awkward slopes and banks. If you're tired of your lawn, why not replace it with a sea of seasonal colour that bridges the colour gap… More Info
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…throughout summer.* Heucherella 'Stoplight' - Chartreuse-yellow foliage with contrasting, dark-crimson markings.* Heucherella 'Redstone Falls' - Vibrant green and ruby red leaves creating a mixture of autumnal colours which change with the seasons. Culinary information: Some… More Info
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…spires of fully double blooms make a sensational display, rising up to 180cm (6')! These hardy perennials are guaranteed to bring the wow facter to your garden - they make phenomenal cut flowers for summer bouquets too. Hollyhock 'Chater's Scarlet' creates a… More Info
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Japanese Anemones are popular hardy perennials, and for good reason! These easy going, hardy plants are reliable and easy to grow. Their elegant blooms rise above attractive lobed foliage in late summer, just when many other perennials are beginning to fade. Our… More Info
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Enjoy the vibrant flowers of Gaillardia 'Arizona Sun' from late spring. These boldly coloured Blanket flowers are drought tolerant, thriving in hot, dry summers and coastal positions as well as cooler conditions - so you can be sure of a superb display whatever the… More Info
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…the late summer garden and Sedum has to be one of the main hardy perennials that comes to mind. Sedum 'Matrona' is one of the best, being blessed with succulent foliage with a delightful deep bronze tinge. The soft pink umbel flowers make a great contrast… More Info
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…green, cone-like flowers or ?hops? in mid to late summer, which fade to a straw colour. A unique cover for walls, fences or pergolas, hops are herbaceous perennials so will die back over winter and re-grow vigorously in the spring. Hop flowers also make… More Info
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…collection around your garden, mixing in with perennials and seasonal bedding for winning border displays through the year. Each variety in the mix will also perform perfectly in containers - set them in pots and surround yourself on the patio next summer. This… More Info
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…perennials in containers that can be moved to a frost free position during winter. Height: 45cm (18). Spread: 30cm (12). Salvia collection comprises: * Salvia Experimental 543 name tbc - Rich red flowers decorate the dark stems throughout summer.* Salvia… More Info
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Begonia 'Non-Stop Mocca Bright Orange'
…orange flowers, that contrast brilliantly with the dark, chocolate coloured foliage. Begonia 'Non-Stop Mocca Bright Orange' is great for summer floral displays in planters, hanging baskets and garden borders. They are tolerant of shade and heavy summer… More Info
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