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Home > All Products > Perennial> Blue

Blue, Perennial

6300 products, 777 articles, 855 blogs

Geranium 'Rozanne'

Winner of The RHS Chelsea Flower Show 'Plant of the Centenary'. A celebrated Cranesbill producing masses of saucer shaped, violet blue blooms with dainty white centres. Repeat flowering throughout the summer, hardy Geranium 'Rozanne' makes excellent ground cover through…  More Info

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

6 Options From£6.99

by the end of march 2020

Meconopsis grandis

Sturdy and long-lived with huge flowers 10-12cm (4-5in) across in a wonderful blue, shot with violet on erect stems  More Info

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

Just£3.99

within 48 hours

Coleus 'Wizard Mixed'

A superior mixture and selection. Dwarfer, more base branching, without the need to 'pinch out'. Height: 30-45cm (12-18in)  More Info

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

Just£2.99

within 48 hours

Eryngium planum 'Blue Hobbit'

Eryngium 'Blue Hobbit' is an unusual and striking plant with sprays of spikey electric blue flowers, with up to 100 on each plant. They are very adaptable and can grow in various types of soil, and also in patio containers. As a dwarf variety it has a compact habit that…  More Info

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

3 Options From£9.99

within 21 working days

Echinops ritro

Make a strong statement with this architectural plant, it will be a great contrast with the more traditional softer flowers in your garden designs. The stand-out features are the spiky globes of electric blue flowers that stand proudly on silvery green stems above…  More Info

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

Just£4.99

within 7 working days

Salvia farinacea 'Victoria'

Tall, handsome spiky plants which add a touch of elegance to a bed or border. The flower spikes are produced over a long period and are excellent for cutting. A Fleuroselect Bronze Medal Winner. Flowers summer/autumn. Height 18in  More Info

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

Just£3.49

within 48 hours

Agapanthus africanus 'Twister'

Here's a plant that will stand out from the crowd in your garden - the first ever deciduous bicolour agapanthus. This African lily is robust, and truly hardy in the UK meaning it's perfect in the garden border as well as in a patio container.  More Info

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

3 Options From£7.99

by the end of march 2020

Agapanthus Duo Collection

This magnificent mix combines blue Agapanthus 'Flower of love? and the first ever bicolour Agapanthus 'Twister' for a striking two tone display  More Info

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

3 Options From£7.99

by the end of march 2020

Salvia farinacea 'Seascape Mixed'

A relaxing blend of three varieties of salvia with stunning flower spires in shades of blue with silver. These compact, branching and early flowering salvias will add a wonderful new dimension to bedding displays as they sway in the slightest breeze creating a truly…  More Info

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

Just£1.99

within 48 hours

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

within 48 hours

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…  More Info

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

2 Options From£9.99

within 48 hours

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

within 48 hours

Geranium pratense 'Splish Splash™'

One of the most beautiful, striking and unusual Perennial Geraniums with mauve-blue splashes and flecks on pure white petals, each 3cm ( 1/4in) flower head appearing to be individually designed and painted. A fascinating, rare and prized border plant, coming remarkably…  More Info

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

Just£1.00

within 48 hours

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

within 48 hours

Dianthus amurensis 'Siberian Blues'

Compact, bushy mounds of bluish evergreen foliage erupt into a sea of mauve-blue flowers in late spring and are the closest yet to a true blue Dianthus. Ideal planted in borders, rockeries and containers, flowering over a long period each summer for many, many years.  More Info

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

Just£2.49

within 48 hours

Coleus 'Palisandra'

Almost certainly the purest and deepest colour in existence. Lush, rich, broad leaves, like velvet, lightly serrated and nearly black in colour. Superb mixed with summer patio container plants  More Info

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

Just£1.49

within 48 hours

Eryngium 'Blue Steel'

Sea Holly is a useful perennial for its ability to cope with hot, dry conditions and coastal locations. Eryngium 'Blue Steel? produces dramatic cones of tiny blue flowers that are surrounded by a spiky, electric-blue collar. The tall flower stems bring fabulous texture…  More Info

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

2 Options From£6.99

within 48 hours

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

within 48 hours

Veronica 'Pink Harmony'

A striking architectural plant producing erect flower spikes with attractive, silver-green foliage. Veronica 'Pink Harmony' has pale pink flowers which contrast beautifully with the hot pink stamens creating a stunning 'flash' of vivid colour  More Info

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

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within 48 hours

Campanula rotundifolia

The pretty British Harebell otherwise known as the bluebell of Scotland, produces thin wiry stems of nodding pale blue flowers. An easy, charming plant for rockery, border etc  More Info

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

Just£2.99

within 48 hours

Viola 'Cool Summer Breeze'

Impressively large blooms on this very attractive viola can reach up to 7cm across. Viola ?Cool Summer Breeze? appears in shade of blue and white that complement each other perfectly whilst flowering throughout the summer months.  More Info

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

Just£2.99

within 48 hours

Lupin 'The Governor'

Lupin 'The Governor' brings a contemporary look to conventional garden designs. Its striking white and purple flowers bloom vigorously from early summer onwards. A hardy perennial, Lupin 'The Governor' produces fine elegant blooms, comprising delicate clusters of…  More Info

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

2 Options From£8.99

by the end of march 2020

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

within 48 hours

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

within 48 hours

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£1.49

within 48 hours

Clematis 'New Love'

This clematis isn't like the usual clematis; it's a herbaceous perennial, so excellent for bulking out borders, alongside lupins, delphiniums and the like! The blooms are a spectacle too; and emit a punchy fragrance!  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Walls & Fences
  • Flower Colour: Blue
  • Longevity: Perennial

5 Options From£7.99

by the end of march 2020

Aquilegia caerulea

Possibly the most beautiful Aquilegia of all. With glorious light to deep blue flowers 2-3in across sometimes fetching bi-coloured with white. An excellent border perennial, grand for cutting, in bloom for several weeks and will grow in sun or light shade. Flowers late…  More Info

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

Just£2.99

within 48 hours

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

within 48 hours

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

within 48 hours

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

within 48 hours

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£1.49

within 48 hours

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£1.99

within 48 hours

Campanula persicifolia 'Caerulea'

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

2 Options From£8.99

by the end of march 2020

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

within 48 hours

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

within 48 hours

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

within 48 hours

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