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Summer Flowering Perennials

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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

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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Just£19.99

Agapanthus 'Flower of Love'

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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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   More Info

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Summer Flowering Bulb Collection

…Gladioli mix. Plant them amongst perennials for a pop of colour or in borders and patio pots for a bright display. Supplied as bulbs. These bulbs can be planted straight away, but will be fine to plant right through to late April. The bulbs will begin to flower in 10…  More Info

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Just£9.99

Weigela florida 'Polka'

…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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Spring Flowering Bulb Collection

…bulbs of each). Plant them amongst perennials for early colour or in borders and patio pots for a bright display. Supplied as bulbs.* Collection includes; * Allium moly - A vigorous little allium bearing dense clusters of star-shaped, golden yellow flowers from late…  More Info

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Just£11.99

Bird of Paradise Flower

…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   More Info

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Summer Colour Bulb Collection

…colour this summer with this easy to grow bulb collection. We've chosen the very best varieties for you to plant in beds, borders and patio pots that will give you a fantastic array of blooms and amazing fragrance. This perennial Summer Colour Bulb Collection…  More Info

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Summer Bulbs Collection

This collection of popular and colourful summer-flowering bulbs includes Allium Moly, Oxalis, Anemone de Caen and Brodiaea. Plant them in gaps among perennials or grow them together for a fantastic display in their own right. Supplied as bulbs. Useful links: How to plant bulbs,…  More Info

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Just£11.99

Summer Spectacular Colour Collection

…a pop of colour in your borders or patio pots, why not try our amazing summer bulb collection. This collection of summer flowering bulbs will enhance your borders with a riot of colour. Plant them in gaps among perennials or grow them together for a…  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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Everlasting Perennial Collection

…sword-shaped foliage, from which sprays of bright orange or red flowers, carried in branched spikes, appear in late summer. * Saponaria ocymoides - Also known as tumbling Ted, or Rock soapwort, is a must have trailing perennial which overflows with clusters of…  More Info

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Perennial Saver Collection

…small creamywhite flowers, later in the year they produce bright red-orange papery calyces that look like Chinese lanterns. 'Gypsophila Rosea - Low, creeping plant that makes lovely ground cover for rockeries and gravel gardens. Sprays of tiny pink flowers appear in …  More Info

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Begonia 'Double Flowered Mixed'

…of fully double Begonia flowers in a fabulous, bright colour range. Begonia 'Double Flowered Mixed' makes the perfect choice for adding colour to your patio containers, hanging baskets and window boxes. The weatherproof blooms continue all the way through the   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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Scabious 'Summer Sundae'

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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Just£0.99

Delphinium grandiflorum 'Summer Nights'

Attractive dwarf plants covered in a blanket of dainty midnight-blue flowers. Flowering in their first year from sowing makes them perfect for bedding borders or containers, providing a colourful display over a long summer period.  More Info

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Just£2.39

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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Just£13.98

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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Just£3.59

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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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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Delphinium 'Summer Blues'

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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Just£1.79

Alstroemeria 'Summer Lovely'

…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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Alstroemeria 'Summer Breeze'

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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Alstroemeria 'Indian Summer'

…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   More Info

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Foxglove 'Summer King'

…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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Just£2.29

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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Geranium pratense 'Summer Skies' (Hardy)

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, Summer Skies makes an eye catching perennial for cottage garden borders. Height and spread:…  More Info

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Just£15.99

Agapathus 'Blue Ribbon'

…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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Just£11.99

Camellia 'Tricolour'

…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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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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Chinese Lantern (Seeds)

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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Just£0.69

Iris 'Comme un Sourire'

…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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Hardy Hosta Collection

…of summer flower spikes. These resilient, easy to grow, hardy perennials will reward you with fresh colourful foliage each spring, lasting right through to autumn. Our Hardy Hosta Collection will make a statement in beds, borders and containers, or create…  More Info

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Asclepias Collection

…known as the Butterfly Flower! The nectar rich flowers are a magnet for insects in summer. This upright, hardy perennial bears flat-topped clusters of flowers at the tips of it tall stems. The curious seedpods that follow can be dried to add…  More Info

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Agapanthus Blue & White Collection

Flowering throughout summer these impressive perennials lend their stature to borders and patio containers, where their architectural seed heads continue the display well into autumn. The large spherical blooms also look magnificent in cut flower displays. In…  More Info

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Asclepias tuberosa

Intense, fiery orange flowers top the upright stems of this vibrant hardy perennial. The flowers persist throughout summer, followed by intriguing, spiny seedpods in autumn which split open to reveal silky threads. Commonly known as Swamp milkweed, it is at its…  More Info

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Just£6.99

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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Just£4.19

Penstemon 'Pensham Czar'

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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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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Just£1.99

Penstemon Twizzle

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   More Info

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Just£11.99

Lupin 'Chandelier'

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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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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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.   More Info

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Penstemon 'Vesuvius'

…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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Just£9.99

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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Hollyhock 'Cr'me de Cassis'

…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   More Info

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Alstroemeria 'Times Valley' (Summer Paradise Series)

…to -15C (5F)! Bred as part of the Summer Paradise Series, this showy perennial has a neat, compact habit that will happily fit at the front of borders, or fill a container on the patio. Like all Alstroemeria, the blooms make fabulous cut flowers for summer<…  More Info

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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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Just£3.99

Echinacea 'Nectar Pink'

…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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Just£8.99

Knautia macedonica

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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Just£3.99

Platycodon grandiflorus 'Fuji Blue'

…Balloon Flower for its starry flowers that burst from rounded, balloon-like buds. Platycodon grandiflorus 'Fuji Blue' is a dainty perennial with a free flowering habit. This undemanding plant will supply a splash of bright blue at the front of   More Info

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Just£8.49

Helenium 'Lemon Sundae'

…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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Mimulus 'Cardinalis'

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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Just£1.59

Scabious 'Blue Jeans'

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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Just£12.99

Delphinium 'Pacific Hybrids'

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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Lythrum salicaria 'Robin'

…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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