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Home > All Products > Perennial> Blue

Blue, Perennial

5427 products, 777 articles, 855 blogs

Geranium 'Bloomtime'

Geranium 'Bloomtime' is a new variety of hardy geranium. It's another real beauty with pale pink veined flowers that look spectacular when planted in borders en masse.  More Info

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

2 Options From£9.99

despatch by end of march 2020

Geranium pratense 'Cloud Nine'

Touted as the best double-flowered cranesbill geranium ever seen, and having its debut at RHS Chelsea Flower Show this year, 'Cloud Nine' really is a spectacular specimen. Smothered in wonderful lilac blue, double flowers twice in the season - once at the beginning of…  More Info

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

2 Options From£9.99

despatch by end of september 2019

Catananche caerulea

An easy to raise, free flowering plant for the front of the border. The brilliant sky blue flowers are freely produced and are excellent for cutting, lasting a long time in water. They can also be dried for winter decoration. Will flower the same year from a late winter…  More Info

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

Just£2.99

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Campanula pyramidalis (Mixed)

One of the most striking perennials for the border or patio containers. Giant, slender spikes of blooms reach skywards, in shades of blue and white. Plant in containers either side of your front door for a colourful box or bay tree substitute!  More Info

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

Just£2.99

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Meconopsis betonicifolia 'Blue'

Meconopsis betonicifolia - a stunning blue Himilayan Poppy that will certainly make an impact on its own, let alone as part of this collection. The large bowl shaped blooms will have a dramatic effect and are certainly worth a place in your garden. Add some luxury to…  More Info

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

3 Options From£7.99

despatch by end of october 2019

Agapanthus Duo

A truly wonderful agapanthus double act! Agapanthus Duo are semi-dwarf plants that produce multiple spikes of bright blue and pure white flowers all summer in a sunny or partly shaded position. Tough, fast growing and drought tolerant, these plants are a real ?must-have…  More Info

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

2 Options From£19.98

despatch by end of march 2020

Polemonium boreale 'Heavenly Habit'

Attractive clusters of violet-blue flowers, each with a distinct golden yellow eye, look divine against the bushy, deep green foliage. Their dwarf habit makes them idea! in the front of borders, or even containers. If deadheads are removed regularly, plants will…  More Info

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

Just£0.99

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Nepeta nervosa 'Blue Moon'

A neat, dwarf, bushy, habit, with large dense blue flower spikes, over a very long period. Quick to flower in 12-16 weeks from an April sowing. Ideal for borders and containers. Height: 30-40cm (12-16in)  More Info

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

Just£2.69

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Anemone 'Wild Swan'

RHS Chelsea Flower Show 2011 Plant o f the Year winner. Developed over a 10 year period, this is a cross between early and late anemone types and as such, the unique flowers bloom from April right through to the autumn. The beautiful, blue-backed blooms can be…  More Info

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

Just£13.99

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Meconopsis 'Union Jack' Collection

We've put together a collection of these wonderful perennial poppy plants for you for a patriotic display in your summer border: Meconopsis Napaulensis, Meconopsis betonicifolia 'Alba' and Meconopsis betonicifolia.  More Info

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

2 Options From£14.99

despatch by end of october 2019

Nepeta 'Six Hills Giant'

The ever popular Nepeta 'Six Hills Giant' is one of the most commonly grown Catmints. The lilac-blue lavender-like flower spikes rise above the silvery-green foliage from early summer onwards, giving a delightful summer display, that is ideal for softening borders and…  More Info

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

3 Options From£9.99

despatch by end of october 2019

Geranium 'Bloomtime' & 'Rozanne' Collection

A beautiful collection of two stunning hardy geraniums, Geranium 'Rozanne' and Geranium 'Bloomtime' compliment each other absolutely perfectly. the violet-blue blooms of Rozanne combine with the pale pink of 'Bloomtime' for a wonderful summer display.  More Info

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

Just£14.99

despatch by end of march 2020

Delphinium 'Blue Bird' (Pacific Hybrid)

A Pacific hybrid delphinium, 'Blue Bird' has tall spires bearing bright blue blooms which have contrasting white centres. It makes its dramatic statement in June and July when it truly steals the show, adding height, stature and colour to the back of sunny herbaceous…  More Info

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

3 Options From£9.99

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Aster 'Showmaker' Collection

When late summer colour is in short supply, give your garden a lift that will last right through to the first frosts! These cheery little Asters will brighten up patios, beds and borders with an inexhaustible supply of fully double flowers.  More Info

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

6 Options From£9.99

despatch by end of october 2019

Geranium bohemicum 'Orchid Blue'

Geranium 'Orchid Blue' is a selection by Thompson & Morgan from the species Geranium bohemicum. A short-lived border and ground cover plant which self-seeds to keep continuity. Masses of 2cm (0.75in) flowers of orchid-blue, veined in purple-violet, borne on bushy plants…  More Info

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

Just£3.49

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Malva sylvestris 'Mystic Merlin'

A magical back of border plant with many large, silky blooms in shades from rich purple, through mauve, to the highly unusual and elusive blues. Flowers summer. Height: 150-180cm (5-6ft). Flowers in first year  More Info

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

Just£0.99

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Salvia farinacea 'Strata'

From uniform and compact plants rise silvery erect stems bearing many silver-green calyx, from which a firework of small clear blue flowers emerge. Height: 35-45cm (14-18in)  More Info

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

Just£1.00

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Penstemon heterophyllus 'Electric Blue'

Intensely blue flowers with a tinge of purple contrast beautifully with the silvery green foliage of this hardy perennial. The long lasting blooms of Penstemon heterophyllus 'Electric Blue? appear from June through to October enticing plenty of pollinating insects to…  More Info

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

3 Options From£11.99

despatch by end of may 2020

Penstemon heterophyllus 'True Blue'

Yes, this really is a true blue Penstemon, true from seed! Azure blue trumpet blooms in abundance, with green and grey tinged foliage. An added bonus too - as this charming perennial may be treated as a annual, flowering in its first year. Highly versatile for borders,…  More Info

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

Just£2.99

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Heteropappus meyendorfii 'Blue Knoll'

Seed of this amazing new garden plant can be sown early in the year* and by the same autumn will be completely smothered in hundreds and thousands of shiny, light reflecting flowers, forming perfect mounds (or knolls) 30cm (12in) high and 45cm (18in) across. During a…  More Info

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

Just£0.99

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Scabious caucasica

The traditional garden Scabious boasting plenty of lavender blue flowers on wiry stems throughout summer. Scabious caucasica is an easy-to-grow hardy perennial that will attract the constant hum of pollinating insects and butterflies.  More Info

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

2 Options From£8.99

despatch by end of september 2019

Agapanthus 'Golden Drop'

Unique golden edged leaved agapanthus introduced at the 2012 Chelsea Flower Show. Also one of the few compact varieties, the lovely pale blue flowers which appear in May to June suitable for cutting and are followed by decorative seed heads. Suitable as an individual…  More Info

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

4 Options From£24.99

despatch by end of september 2019

Agapanthus 'Dr. Brouwer'

Agapanthus 'Dr Brouwer' is an extremely tough and easy to grow hardy perennial that has reliable garden performance for very little effort! Certainly one to add to your display!  More Info

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

Just£14.99

despatch within 3 days

Delphinium x cultorum 'Centurion Lilac Blue Bicolour' F1 Hybrid

UK Exclusive. One of the very best delphiniums from seed, equal in quality to expensive cutting-raised plants. The tall, sturdy stems of Delphinium Centurion Lilac Blue Bicolour are covered in truly stunning bi-coloured blooms with triple-layered petals in lilac and…  More Info

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

Just£2.99

despatch within 3 days

Agapanthus 'Bluestorm'

The flamboyant Agapanthus 'Bluestorm' is a neat and compact African Lily cultivar which reaches just 76cm (30), boasting more stems than traditional varieties and blooming through the summer for up to 3 weeks longer. The mass of soft violet flowers atop upright stems…  More Info

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

2 Options From£29.99

despatch by end of september 2019

Salvia microphylla 'Blue Monrovia'

Salvia microphylla 'Blue Monrovia' is a bushy, shrubby perennial. In mild areas it may remain evergreen, although generally considered a semi-evergreen where winters are harsh and the plants are given no protection. This pretty Sage forms an upright clump of small, grey…  More Info

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

2 Options From£19.99

despatch by end of september 2019

Platycodon grandiflorus 'Fuji Blue'

A charming herbaceous perennial with a low, spreading habit, reminiscent of the better known perennial, Campanula. This free flowering variety makes a great choice for rockeries or at the front of perennial borders. It is commonly known as the Balloon Flower for its…  More Info

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

Just£6.99

despatch by end of november 2019

Linum narbonense 'Heavenly Blue'

One of the finest blue flowered plants. A profusion of luminous ultra-marine blue flowers  More Info

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

Just£3.29

despatch within 3 days

Delphinium x cultorum 'Tall Black Knight'

Tall, robust, candle-like flower spikes packing with attractive, deep blue blooms, each complemented by a striking large black bee in the centre. A stunning addition to any border. Height: 120-150cm (4-5ft)  More Info

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

Just£2.99

despatch within 3 days

Pulsatilla vulgaris

Awarded an RHS AGM for its garden performance, this delightful little hardy perennial is perfect for filling gaps in rockeries and gravel gardens. From April to May, Pulsatilla vulgaris produces bright purple flowers above clumps of finely dissected, downy foliage.  More Info

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

2 Options From£8.99

despatch by end of september 2019

Phlox paniculata 'Blue Boy'

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

2 Options From£8.99

despatch by end of october 2019

Amsonia tabernaemontana

Starry clusters of elegant pale blue Amsonia flowers appear from spring to midsummer. This rarely seen perennial deserves better recognition in gardens for its long flowering period and reliable performance year after year. Amsonia tabernaemontana grows happily in sun…  More Info

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

Just£1.00

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Primula capitata 'Noverna Deep Blue'

First year flowering. Attractive deep blue flower heads, held aloft by intriguing powdery white stems, above contrasting grey-green foliage. Adds an eye-catching display to borders and containers from summer into autumn. Height: 25-30cm (10-12in)  More Info

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

Just£3.19

despatch within 3 days

Butterfly Pea

A fast-growing tropical climber producing a wonderful display of 5cm (2in) blue flowers from mid to late summer. Ideal for covering trellis in a sheltered part of the garden where it will attract bees and butterflies, or as a perennial grown in a conservatory. Climbs…  More Info

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

Just£2.99

despatch within 3 days

Scabious 'House's Novelty Mix'

A truly elegant border perennial with blooms in blue, mauve and white on long slender stems which are much in demand for cut flowers. Flowers summer. Height 30in  More Info

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

Just£2.99

despatch within 3 days

Cichorium intybus 'Electric Blue'

The wild form of the vegetable Chicory makes a beautiful addition to a cottage garden border. Electric blue flowers are produced on the many, breezy stems throughout summer. Be quick to enjoy their beauty, as the flowers always close by midday!  More Info

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

Just£3.99

despatch within 3 days

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