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Home > 'Summer Flowering Perennials'

'Summer Flowering Perennials'

Physostegia virginiana 'Summer Snow'

Prolific dazzling tubular flower spikes. Cutting and borderMore Info

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Anemone coronaria 'St Bridgid'

A showier rival to the more common Anemone 'De Caen'. The dahlia-like double flowers of 'St Brigid' are a florist-favourite, making a long-lasting cut flower display. These tough perennials offer the perfect balance of garden performance and vase life.More Info

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Tall Perennial Mix

Perennials will fill your borders with colour, grace and elegance for many years with the minimum of maintenance. Some will even flower in their first year. To help you make the most of your borders, we have grouped together varieties that can be sown in June or July by height toMore Info

Just£8.99

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Hollyhock rosea 'Pleniflora'

Hollyhock rosea 'Pleniflora' is an excellent choice for a cottage garden. The hardy perennial produces bright pink, pompom shaped blooms in June and July. These flowers grow on tall spires which provide bland borders with height and structure. Alternatively, they can also be dispMore Info

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Perennial Flower Border Seed Collection (Short)

Perennials will fill your borders with colour, grace and elegance for many years with the minimum of maintenance. Some will even flower in their first year. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced dispMore Info

Just£9.99

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Alstroemeria 'Indian Summer'

You'll love these beautifully coloured flowers set against unique bronze foliage. Perfect for patio growing, the extra-hardy plants are compact, but stems are still a good length for cutting. Long flowering from June through to NovemberMore Info

2 Options From£11.99

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Penstemon cobaea 'Wedding Bells'

Grow these penstemon in your annual beds as well as your perennial borders! They're much longer flowering than antirrhinums and boast larger blooms. Easy to maintain and offering years of performance, they'll flower and flower almost all summer in a superb range of colours, incluMore Info

Just£2.49

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Achillea millefolium 'Summer Pastels'

Achillea millefolium 'Summer Pastels'�has aromatic foliage and large, flat flower heads in interesting pastel shades which will create a wonderful tapestry of summer colour. It is a tough and reliable Yarrow, which thrives on light sandy soils and copes well with coastal conditioMore Info

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Penstemon digitalis 'Husker Red'

Penstemon digitalis 'Husker Red' combines unique red foliage with pink-white petals to create a truly stunning effect. This hardy perennial, which is also known as Beard Tongue, is sure to become the focal point of any border or patio container when it bursts into bloom in June.More Info

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Viola x williamsiana 'Sweeties'

The best ever dwarf Viola for containers! A unique mixture of small, attractive bicoloured flowers resembling tiny sweets. Compact plants are smothered in masses of flowers over a very long period, making it ideal for summer or winter flowering bedding displays.More Info

Just£2.99

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Short Perennial Mix

Perennials will fill your borders with colour, grace and elegance for many years with the minimum of maintenance. Some will even flower in their first year. To help you make the most of your borders, we have grouped together varieties that can be sown in June or July by height toMore Info

Just£8.99

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Achillea filipendulina 'Coronation Gold'

Achillea�'Coronation Gold' is a low maintenance and easy to grow�variety, which makes it understandably�popular. It really is one of the best herbaceous perennials for a mixed border, with eye-catching�flat flower heads of golden-yellow, it has a long�flowering�period over the suMore Info

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Clematis montana 'Grandiflora'

Clematis montana 'Grandiflora' has a profusion of small cross shaped white flowers in late spring and early summer and it has dense deep grey-green foliage that can create a 'living wall' effect. This clematis can cover a whole fence, side of garage etc, and can also be planted tMore Info

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Foxglove 'Summer King'

Commonly known as the Strawberry 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 KingMore Info

Just£1.99

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Spring Flowering Bulb Collection

This collection includes four of the most popular and colourful spring-flowering bulbs: Allium Moly, Oxalis, Anemone de Caen and Brodiaea (25 bulbs of each). Plant them amongst perennials for early colour or in borders and patio pots for a bright display. Supplied as bulbs.More Info

Just£19.99

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Perennial Collection

Fill your borders with this great value 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. Supplied as bare roots, these varieties will be ready to flower beautifullyMore Info

Just£14.99

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Achillea millefolium 'Summer Berries' F2 Hybrid

An easy to grow, first year flowering perennial, Achillea Summer Berries is ideal for adding a sumptuous mixture of fruity colours to borders. Achillea Summer Berries makes an excellent cut or dried flower, as well as attracting bees and butterflies to your garden. Height: 60-75cMore Info

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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 periodMore Info

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Geranium pratense 'Summer Skies'

Plant swathes of this gorgeous mauve-pink geranium in your cottage garden borders and enjoy dreamy summer skies all summer long. The double blooms of Geranium pratense 'Summer Skies' may look delicate but this hardy herbaceous perennial is tough and undemanding. Unlike its singleMore Info

Just£12.99

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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. A fantastic mixture of lightly fragrant blooms to brighten up bedding and cottage gardens. Height: 45-60cm (18-24in).More Info

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Salvia coccinea 'Summer Jewel Red'

This new perennial salvia has so many special attributes, it's difficult to know where to start! In trials, Fleuroselect judges applauded the early flowering - just 9 weeks from sowing. 'Summer Jewel Red' is quicker to flower and more compact than any dwarf salvia of its kind avaMore Info

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Salvia coccinea 'Summer Jewel Pink'

This new mini-series of perennial salvia has so many special attributes, it's difficult to know where to start! Bred to be more compact and bushy than other coccinea types, it's multibranching habit produces masses of flower spikes which bloom in only about 9 weeks from sowing. IMore Info

Just£2.79

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Delphinium 'Summer Skies' (Pacific Hybrid)

Beautiful sky-blue flowers form tall, soft spires above neat clumps of foliage. A classic cottage garden perennial, Delphinium 'Summer Skies' is perfectly at home in sunny herbaceous borders, where it's statuesque flowers add vertical interest and eye-catching colour throughout JMore Info

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Hypericum perforatum

Hypericum perforatum is one of the less-cultivated Hypericums in UK gardens, and is rarely available in garden centres. With golden star-shaped flowers at the tips of upright stems throughout the summer, this hardy perennial makes an excellent addition to wild flower gardens. ComMore Info

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Gaillardia aristata 'Arizona Sun'

Extremely dwarf, compact mound-forming plants become a mass of radiant red and gold large, daisy-like flowers throughout the summer. Flowers very quickly from seed, so makes a useful addition to perennial borders, or will add interest to bedding displays and containersMore Info

Just£3.49

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Scabious 'Flutterby Pink'

Stalwarts of the cottage garden planting scheme, these popular hardy perennials are always a magnet for butterflies and pollinating insects.More Info

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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. Makes a largeMore Info

Just£3.99

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Spring Plant & Bulb Collection

A great value collection of 125 bulbs and hardy perennials that will bring wonderful colour to your garden to chase the winter greys awayMore Info

Just£39.99

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Dianthus plumarius 'Sonata'

Flowering all summer with very double, fragrant classic cottage garden pinks. Flowers 16-18 weeks from sowing.More Info

Just£1.69

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Alstroemeria 'Planet Mixed'

Gain months of pleasure year after year with the astounding lily-like blooms of Alstroemeria 'Planet Mixed'. These hardy, compact perennials are so easy to grow; just perfect for adding a bright splash of late summer colour to cottage garden borders and patio containers. AlstroemMore Info

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Weigela middendorffiana

Striking bell-shaped, yellow flowers with pretty speckled orange throats appear in clusters in late spring and early summer on this attractive deciduous shrub. Once the flowers have finished, the glossy bright green leaves provide a lovely backdrop for summer perennials and colouMore Info

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Anemone Collection

Japanese Anemones are stalwarts of cottage gardens and perennials borders. This superb collection brings together 3 well known cultivars that will bring plenty of late summer interest to your garden. A host of delicate windflowers rise above the attractive green foliage, attractiMore Info

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Hosta Collection

Grown for their decorative foliage, Hostas make superb ground cover. These hardy perennials form dense mounds of foliage in a multitude of shapes and colours, which are complimented by upright flower spikes in summer. Perfect for lightly shaded areas where they will appreciate soMore Info

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Crocosmia 'Lucifer'

Crocosmia 'Lucifer' is well loved for its tall, arching stems with fiery red trumpets above crimped, sword-like foliage in late summer, just as other border perennials begin to fade. With a RHS AGM, this variety is prized for its robust and resilient nature, also adding structureMore Info

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Agapanthus Blue & White Collection

This magnificent mix combines blue Agapanthus 'Queen of the Ocean' and white Agapanthus 'Polar Ice' for a striking two tone display. In summer, these impressive perennials lend their stature to borders and patio containers, where their architectural seed heads continue the displaMore Info

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Leucothoe keiskei 'Burning Love'

Leucothoe keiskei 'Burning Love' is an outstanding foliage plant. Its pointed, glossy leaves emerge crimson in spring, maturing to dark green. These leathery leaves provide a fabulous backdrop to more colourful shrubs and perennials throughout the summer, and then brighten the auMore Info

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