Call us today: 0844 573 1818 Calls cost 7p per minute plus your phone company's access charge

100% Satisfaction Guarantee

Track Your Order

Award Winning Varieties

Voted Best Online Retailer

Our Customers Rate Our Excellent Service

Home > 'Summer Flowering Hardy Perennials'

'Summer Flowering Hardy Perennials'

721 products, 28 blogs

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 November  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Orange
  • Longevity: Perennial

2 Options From£11.99

despatch by end of august 2018

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Perennial

Just£3.99

despatch within 24 hours

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£0.99

despatch within 24 hours

Lobelia cardinalis 'Queen Victoria'

Showy and glorious, the scarlet flowers of Lobelia cardinalis 'Queen Victoria' bring a fabulous splash of colour to the garden in late summer. The dark maroon leaves are almost as eye catching as the flowers. Known as the Cardinal Flower,  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Perennial

3 Options From£7.99

despatch by monday

Cirsium 'Pink Blush'

A must-have perennial for all would-be flower fashionistas! Bees and butterflies will flock to this cultivated thistle and so too will friends and family once they see the striking fluffy blooms. The pretty blooms appear on tall stems above low growing…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

2 Options From£6.99

despatch by monday

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.…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

Just£1.99

despatch within 24 hours

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   More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Perennial

2 Options From£9.99

despatch by end of august 2018

Aquilegia 'Red Hobbit'

The red and white blooms of Aquilegia ?Red Hobbit? make a striking colour combination that stands out at the front of borders. Nodding, spurred flowers are borne on slender wiry stems in late spring and early summer. Commonly known as Granny?s Bonnet,…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Perennial

2 Options From£8.99

despatch by end of september 2018

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

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£0.99

despatch within 24 hours

Physostegia virginiana 'Summer Snow'

Prolific dazzling tubular flower spikes. Cutting and border  More Info

  • Sun shade: Full sun


  • Longevity: Perennial

Just£0.99

despatch within 24 hours

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

2 Options From£7.99

despatch by end of august 2018

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

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£2.99

despatch within 24 hours

Osteospermum 'Tresco Purple' (Hardy)

Hardy cape daisies are plants with attitude; they survive drought and neglect and soldier on to form a pretty mat of impenetrable ground cover, which easily suppresses weeds. And after all this there's still enough energy to flower heavily from June…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

Just£7.99

despatch by end of september 2018

Osteospermum 'Snow Pixie' (Hardy)

Hardy cape daisies are plants with attitude; they survive drought and neglect and soldier on to form a pretty mat of impenetrable ground cover, which easily suppresses weeds. And after all this there's still enough energy to flower heavily from June…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Perennial

Just£7.99

despatch by end of september 2018

Sizzling Summer Perennial Collection

Ignite your summer borders with our Hot Summer Colour Perennial Collection! We?ve brought together some of our favourite fiery blooms for a blaze of colour that will return year after year. With their tall, upright habits, Hollyhocks and Lobelia are…  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

2 Options From£23.97

despatch by end of august 2018

Bumper Summer Colour Collection

Gardening on a budget just got better! For just £15.00 you can fill your borders and containers with over £60 worth of plants. The perfect way to bulk up beds, plug gaps in borders, and fill your patio pots with a full season of colour. Our Bumper Pack contains a…  More Info




Just£61.26

despatch by end of november 2018

Spring Flowering Bulb Collection

A great value collection of 150 spring bulbs that will bring wonderful colour to your garden to chase the winter greys away. This collection includes: Ornithogalum nutans (Star of Bethlehem) (15 bulbs) - Bulbous perennials with robust and hardy straight…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

2 Options From£6.00

despatch by end of august 2018

Hardy Geranium Collection

Collection comprises of 1 bare root plant each of Sanguineum, Sanguineum Album, Sanguineum Canon Miles, Sanguineum Max Frei, Sanguineum New Hampshire & himalayense. Plus, 100g of geranium fertiliser.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£14.99

despatch by end of november 2018

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£9.99

despatch within 24 hours

Dianthus 'Scents of Summer Collection'

The 'Scents of Summer' series gives bright colours, strong vigour and multi-flowering stems, whilst still retaining the vintage spicy fragrance of pinks. 'Pink Peony' is the pick of the bunch, with crested blooms in glowing magenta, almost looking like a…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

3 Options From£8.99

despatch by end of september 2018

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£8.99

despatch within 24 hours

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£8.99

despatch within 24 hours

Perfect Patio Perennial Collection

The Perfect Patio Perennial Collection includes a vibrant mix of shapes and colours that will add instant interest to your patio pots! By adding these three distinctive plants together you will have shades of white, purple and pink blending together in a…  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

2 Options From£9.00

despatch by end of august 2018

Agapanthus 'Flower of Love'

The deep blue florets of Agapanthus 'Flower of Love' are some of the darkest in the genus. Set above lush evergreen foliage, the exotic blooms make a real statement in sunny borders and patio containers, returning each summer and getting better every year.…  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

3 Options From£7.99

despatch by end of august 2018

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

Just£1.29

despatch within 24 hours

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

3 Options From£7.99

despatch by end of august 2018

Bumper Plant Collection

Take advantage of this spectacular offer and transform your garden with this beautiful selection of plants. Fill a border or patio with this vibrant mix of hardy shrubs, summer flowering bulbs and cottage garden perennials, or dot them around…  More Info




Just£71.93

despatch by end of november 2018

Osteospermum Collection (Hardy)

Versatile and resilient, hardy Osteospermums will thrive in hot, dry, neglected conditions, yet remain some of longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from these easy to grow, sun loving Cape…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

2 Options From£6.99

despatch by end of september 2018

Osteospermum jucundum var. compactum (Hardy)

Hardy cape daisies are plants with attitude; they survive drought and neglect and soldier on to form a pretty mat of impenetrable ground cover, which easily suppresses weeds. And after all this there's still enough energy to flower heavily from June…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

Just£7.99

despatch by end of september 2018

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

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

2 Options From£14.99

despatch by end of march 2019

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Tuber

2 Options From£5.99

despatch by end of september 2018

Ajuga reptans 'Catlins Giant'

Bugle plants can often be found in shady corners as their glossy, evergreen leaves flourish in dark, damp environments all year round. Not only do these hardy perennials require little to no maintenance, but they also minimise the amount of weeding…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£6.99

despatch by end of august 2018

Dianthus plumarius 'Sonata'

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

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£0.69

despatch within 24 hours

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Perennial

3 Options From£7.99

despatch by end of august 2018

Heuchera 'Stormy Seas'

Heuchera 'Stormy Seas' has maroon-red foliage, with green undersides and in summer; creamy-white bell flowers on tall spikes. Heuchera are ideal perennials for garden borders, bedding schemes, or mixed summer or autumn tubs and baskets.…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Cream
  • Longevity: Perennial

2 Options From£9.99

despatch by end of august 2018

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…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Shrub

4 Options From£14.99