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Blue Perennials

Showing 60 product(s)
Related Categories: Nepeta | Catmint | African Violet
  1. Nepeta Plant - Blue Moon

    Nepeta Plant - Blue Moon

    A first-class perennial with large, dense, pale blue flower spikes. It's early blooming, free flowering, and heat-tolerant. Soft, hairy, aromatic foliage. Flowers June-September. Height 45cm (18"). Middle of border…

    Despatch from 06/05/2019 1 x 9cm Potted Plant
  2. Stokesia Plant - Blue Star

    Stokesia Plant - Blue Star

    The electric blue flowers of this evergreen perennial are produced in late summer and early autumn, providing a lovely fresh colour just when the garden needs a little something extra. Flowers September-October.…

    Despatch from 29/04/2019 1 x 9cm Potted Plant
    From £7.99
  3. Nepeta Plants - Blue Moon Save 33%

    Nepeta Plants - Blue Moon

    A first-class perennial with large, dense, pale blue flower spikes. It's early blooming, free flowering, and heat-tolerant. Soft, hairy, aromatic foliage. Flowers June-September. Height 45cm (18"). Middle of border…

    Despatch from April 2019 3 x 9cm Potted Plants
    £12.00 Was £17.97
  4. Nepeta Plants - Blue Moon

    Nepeta Plants - Blue Moon

    This first year flowering perennial boasts large, dense, pale blue flower spikes. It's early blooming, free flowering, and heat-tolerant. Soft, hairy, aromatic foliage. Flowers June-September. Height 45cm (18").…

    Despatch from June 2019 16 Value Plugs
  5. Stokesia Plants - Blue Star Save 37%

    Stokesia Plants - Blue Star

    The electric blue flowers of this evergreen perennial are produced in late summer and early autumn, providing a lovely fresh colour just when the garden needs a little something extra. Flowers September-October.…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  6. Scabiosa Plants - Blue Note

    Scabiosa Plants - Blue Note

    A compact front of border perennial producing a profusion of lovely bright blue pin-cushion flowers with frilly edge of the same colour on short stems over a long period. Flowers June-October. Height 20-30cm (8-12").…

    Despatch from June 2019 16 Value Plugs
  7. Scabious Plants - Blue Note Save 33%

    Scabious Plants - Blue Note

    A compact front of border perennial producing a profusion of lovely bright blue pin-cushion flowers with frilly edge of the same colour on short stems over a long period. Flowers June-October. Height 20-30cm (8-12").…

    Despatch from April 2019 3 x 9cm Potted Plants
    £12.00 Was £17.97
  8. Scabious Plant - Blue Note

    Scabious Plant - Blue Note

    A compact front of border perennial, producing a profusion of lovely bright blue pin-cushion flowers with frilly edge of the same colour on short stems over a long period. Flowers June-October. Height 20-30cm (8-12")…

    Delivery within 7 days 1 x 9cm Potted Plant
  9. Agastache Plants - Blue Boa

    Agastache Plants - Blue Boa

    A great focal point to a perennial border and great for attracting wildlife. Bred for its massive flowers. with tall, showy, upright, violet-blue spikes, repeat-blooming over a long period. The cut fragrant foliage is also…

    Delivery within 7 Days 1 x 9cm Potted Plant
    From £7.99
  10. Agastache Plants - Blue Boa Save 37%

    Agastache Plants - Blue Boa

    A great focal point to a perennial border and great for attracting wildlife. Bred for its massive flowers. with tall, showy, upright, violet-blue spikes, repeat-blooming over a long period. The cut fragrant foliage is also…

    Delivery within 7 days 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  11. Festuca Plants - Intense Blue Save 37%

    Festuca Plants - Intense Blue

    An icy blue ornamental grass that's a popular choice for urban spaces. Plants are neat and tidy, with a long-lasting blue shimmer. They're evergreen, architectural and a good choice for a low maintenance garden - try…

    Delivery within 7 days 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  12. Festuca Plant - Intense Blue

    Festuca Plant - Intense Blue

    An icy blue ornamental grass that's a popular choice for urban spaces. Plants are neat and tidy, with a long-lasting blue shimmer. They're evergreen, architectural and a good choice for a low maintenance garden - try…

    Delivery within 7 Days 1 x 9cm Potted Plant
    From £7.99
  13. Lithodora Plants - Heavenly Blue Save 37%

    Lithodora Plants - Heavenly Blue

    A long-flowering, spreading evergreen, producing a succession of deep blue flowers over dark green foliage. Flowers April-September. Height 15cm (6"); spread 40-50cm (16-20"). Supplied in 9cm pots.

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  14. Eryngium Plants - Blue Hobbit Save 37%

    Eryngium Plants - Blue Hobbit

    Small, thimble-like, rich blue flowers are surrounded by short spikes and carried on much-branched, short, blue stems that rise from a rosette of mid-green, oval leaves. Great for seaside garden, and the front of the…

    Delivery within 7 days 3 x 9cm Potted Plants
    £15.00 Was £23.97
  15. Eryngium Plant - Blue Hobbit

    Eryngium Plant - Blue Hobbit

    Small, thimble-like, rich blue flowers are surrounded by short spikes and carried on much-branched, short, blue stems that rise from a rosette of mid-green, oval leaves. Great for seaside garden, and the front of the…

    Delivery within 7 Days 1 x 9cm Potted Plant
    From £7.99
  16. Penstemon Plant - Electric Blue

    Penstemon Plant - Electric Blue

    A fully hardy, low-growing penstemon producing multiple spikes of impressive electric blue flowers that are tinged with pink before opening fully. Flowers June-September. Height 45cm (18"). Middle of border variety.…

    Delivery within 7 days 1 x 9cm Potted Plant
  17. Penstemon Plants - Electric Blue Save 33%

    Penstemon Plants - Electric Blue

    A fully hardy, low-growing penstemon producing multiple spikes of impressive electric blue flowers that are tinged with pink before opening fully. Flowers June-September. Height 45cm (18"). Middle of border variety.…

    Delivery within 7 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
  18. Lithodora Plants - Blue Star Save 37%

    Lithodora Plants - Blue Star

    The most special blue flower! Space-filling, mini shrubs for borders and rockeries, known for its long flowering period. Flowers April-September. Height 10-20cm (4-8"); spread 20-30cm (8-12"). Supplied in 9cm pots.

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  19. Hosta Plant - Fragrant Blue

    Hosta Plant - Fragrant Blue

    The chalky blue leaves retain their colour all summer and even continue to produce new leaves of this colour during the summer. Lightly fragrant lilac flowers are produced in late summer. Ideal for a damp, semi-shaded spot,…

    Despatch from 29/04/2019 1 x 9cm Potted Plant
  20. Hosta Plants - Fragrant Blue Save 37%

    Hosta Plants - Fragrant Blue

    The chalky blue leaves retain their colour all summer and even continue to produce new leaves of this colour during the summer. Lightly fragrant lilac flowers are produced in late summer. Ideal for a damp, semi-shaded spot,…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  21. Lavender Plants - Forever Blue Save 37%

    Lavender Plants - Forever Blue

    …variety blooms for much longer than most other lavenders, starting earlier and keeps on going. The compact, bushy plants produce masses of deep blue flowers. Great for borders, patio containers or as a low-growing,…

    Delivery within 7 days 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  22. Lavender Plant - Forever Blue

    Lavender Plant - Forever Blue

    …than most other lavenders, starting earlier and keeping on going, repeat-blooming, for longer too, The compact, bushy plants produce masses of deep blue flowers. Great for borders, patio containers or as a low…

    Delivery within 7 Days 1 x 9cm Potted Plant
    From £7.99
  23. Salvia Plant - Blue Bouquetta

    Salvia Plant - Blue Bouquetta

    …more could you want? Plants will often still be blooming into November! Each plant creates a whole bouquet of flowers, hence the name! The inky blue colour is utterly sumptuous too, plant into borders, mixed…

    Despatch from 10/06/2019 1 x 2 Litre Potted Plant
  24. Lithodora Plant - Heavenly Blue

    Lithodora Plant - Heavenly Blue

    A long-flowering, spreading evergreen, producing a succession of deep blue flowers over dark green foliage. RHS Award of Garden Merit winner. Flowers April-September. Height 15cm (6"). Early flowering variety. Supplied in a…

    Despatch from May 2019 1 x 9cm Potted Plant
    From £7.99
  25. Penstemon Plants - Electric Blue

    Penstemon Plants - Electric Blue

    A fully hardy, low-growing penstemon producing multiple spikes of impressive electric blue flowers that are tinged with pink before opening fully. Flowers June-September. Height 45cm (18"). Middle of border variety.

    Despatch from June 2019 16 Value Plugs
  26. Agastache Plant - Liquorice Blue

    Agastache Plant - Liquorice Blue

    This first-class variety produces attractive, upright spikes of hooded rose-purple blooms that are a magnet for bees and butterflies. Flowers June-September. Height 60cm (24"). Middle of border variety. Supplied in a 9cm pot.

    Delivery within 7 days 1 x 9cm Potted Plant
  27. Agastache Plants - Liquorice Blue Save 33%

    Agastache Plants - Liquorice Blue

    This first-class variety produces attractive, upright spikes of hooded rose-purple blooms that are a magnet for bees and butterflies. Flowers June-September. Height 60cm (24"). Supplied in 9cm pots.

    Delivery within 7 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
  28. Agastache Seeds - Liquorice Blue

    Agastache Seeds - Liquorice Blue

    A real must to attract the butterflies and bees! Plangts have attractive flower spikes, ideal for garden display or cutting and the added benefit of liquorice scented foliage. Will grow in the poorest of soils. Height 60-75cm (24…

    Delivery within 7 days Average seeds 90
  29. Delphinium Plant - Magic Fountains Dark Blue

    Delphinium Plant - Magic Fountains Dark Blue

    …semi-double blooms. Exceptionally good for cutting. A vigorous-growing strain, much more heat tolerant and less fussy than most other varieties. Flowers June-August. Height 90cm (36"); spread 40cm (16"). Supplied in a 9cm…

    Despatch from 06/05/2019 1 x 9cm Potted Plant
  30. Lithodora diffusa Plant - Blue Star

    Lithodora diffusa Plant - Blue Star

    The most special blue flower! Space-filling, mini shrubs for borders and rockeries. Known for its long flowering period. Can be grown in the border or containers. Flowers April-September. Height 10-20cm. Supplied in a 9cm…

    Despatch from May 2019 1 x 9cm Potted Plant
    From £7.99
  31. Scabious Plant - Fama Deep Blue

    Scabious Plant - Fama Deep Blue

    …way through summer and into early autumn. These compact varieties are perfect for the front of a border or in a patio container. Fama Deep Blue - Mid blue flowers on reasonably long stems. One of the largest…

    Despatch from 21/06/2019 1 x 2 Litre Potted Plant
  32. Scabiosa Plants - Fama Deep Blue Save 37%

    Scabiosa Plants - Fama Deep Blue

    Rosettes of deeply cut green foliage and pretty mid blue flowers on longish stems that are produced all the way through summer and into early autumn. This compact variety is perfect for the front of a border or in a patio…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  33. Nepeta (Catmint) Plant - Purrsian Blue

    Nepeta (Catmint) Plant - Purrsian Blue

    Aromatic grey-green leaves set off the light blue flowers of this variety beautifully. And, unlike some other catmints, it will continue to bloom throughout the summer! Flowers May-September. Height 30-40cm (12-16"); spread…

    Despatch from 21/06/2019 1 x 2 Litre Potted Plant
  34. Scabious Plant - Fama Deep Blue

    Scabious Plant - Fama Deep Blue

    …produced all the way through summer and into early autumn. These compact varieties are perfect for the front of a border or in a patio container. Mid blue flowers on reasonably long stems. One of the largest flowers…

    Despatch from 29/04/2019 1 x 9cm Potted Plant
    From £7.99
  35. Lupin Plant - Mini Gallery Pure Blue

    Lupin Plant - Mini Gallery Pure Blue

    Compact, bushy plants with a basal branching growth habit that ensures they produce a profusion of impressive flower spikes of pure blue. It boasts a long flowering period for a lupin and will flower in its first year if…

    Delivery within 7 days 1 x 9cm Potted Plant
  36. Lupin Plants - Mini Gallery Bi-colour Blue

    Lupin Plants - Mini Gallery Bi-colour Blue

    Compact, bushy plants with a basal branching growth habit that ensures they produce a profusion of impressive flower spikes, in shades of bi-colour blue. It boasts a long flowering period for a lupin and will flower in its…

    Delivery within 7 days 1 x 9cm Potted Plant
  37. Lupin Plants - Mini Gallery Bicolour Blue Save 33%

    Lupin Plants - Mini Gallery Bicolour Blue

    Compact, bushy plants with a basal branching growth habit that ensures they produce a profusion of impressive flower spikes, in shades of bi-colour blue. It boasts a long flowering period for a lupin and will flower in its…

    Delivery within 7 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
  38. Salvia Sensation Plants - Deep Blue Save 37%

    Salvia Sensation Plants - Deep Blue

    Bulletproof plants that are an absolute pleasure to grow, filling borders with fizzy colour and presence! You won't find a plant that's more carefree and undemanding. 'Sensation' is from new German breeding and motors through 5…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  39. Salvia Sensation Plant - Deep Blue

    Salvia Sensation Plant - Deep Blue

    Bulletproof plants that are an absolute pleasure to grow, filling borders with fizzy colour and presence! You won't find a plant that's more carefree and undemanding. 'Sensation' is from new German breeding and motors through 5…

    Despatch from 29/04/2019 1 x 9cm Potted Plant
    From £7.99
  40. Delphinium Plant - Magic Fountains Sky Blue White Bee

    Delphinium Plant - Magic Fountains Sky Blue White Bee

    A vigorous growing variety producing light blue and white flowers that are more tranquil and being a slightly more compact form giving excellent garden performance on sturdy spikes. A cottage garden favourite. Ideal for…

    Despatch from 06/05/2019 1 x 9cm Potted Plant
  41. Aquilegia Plants - Spring Magic Blue & White

    Aquilegia Plants - Spring Magic Blue & White

    A stunning variety with contrasting clear blue and white flowers and bright yellow stamens. The flowers of this Cottage Garden Classic delicately hang during spring showing the further detailing of the back of the flower…

    Despatch from 06/05/2019 1 x 9cm Potted Plant
  42. Aquilegia Plants - Spring Magic Blue & White Save 49%

    Aquilegia Plants - Spring Magic Blue & White

    A stunning variety with contrasting clear blue and white flowers and bright yellow stamens. The flowers of this Cottage Garden Classicdelicatelt hang during spring showing the further detailing of the back of the flower…

    Despatch from April 2019 3 x 9cm Potted Plants
    £12.00 Was £23.97
  43. Delphinium Plant - Magic Fountain Dark Blue White Bee Save 33%

    Delphinium Plant - Magic Fountain Dark Blue White Bee

    …which will produce tall, sturdy spikes of classic delphinium blooms which is more compact than many giving excellent garden performance. The dark blue and white flowers of this variety are very eye-catching/striking…

    Despatch from April 2019 3 x 9cm Potted Plants
    £12.00 Was £17.97
  44. Delphinium Plants - Magic Fountains Sky Blue White Bee Save 33%

    Delphinium Plants - Magic Fountains Sky Blue White Bee

    A vigorous growing variety producing light blue and white flowers that are more tranquil and being a slightly more compact form giving excellent garden performance on sturdy spikes. A cottage garden favourite. Ideal for…

    Despatch from April 2019 3 x 9cm Potted Plants
    £12.00 Was £17.97
  45. Saintpaulia Plant - Delft

    Saintpaulia Plant - Delft

    Semi-double cornflower blue flowers. Standard variety. Flowers January-December. Height 11-20cm. GP - Greenhouse perennial.

    Delivery within 14 days 1 Large Plug Plant
  46. Saintpaulia Plant - Ae-Amur Elite

    Saintpaulia Plant - Ae-Amur Elite

    Semi-double white frilled flowers with pink patches and blue fantasy. Standard variety. Flowers January-December. Height 11-20cm. GP - Greenhouse perennial.

    Delivery within 14 days 1 Large Plug Plant
  47. Herb Plant - Rosemary

    Herb Plant - Rosemary

    Similar to the common rosemary but a stronger grower with delightful deep blue flowers. Try this in fruit salads or punches. Perennial. Supplied in a 9cm pot.

    Delivery within 7 days 1 x 9cm Potted Plant
  48. Saintpaulia Plant - Podvenechnaia

    Saintpaulia Plant - Podvenechnaia

    This Russian variety means "Betrothed" and has single or semi-double pink to light violet flowers that have a white eye and edge and violet-blue fantasy. Standard variety. Flowers January-December. Height 11-20cm. GP - Greenhouse …

    Delivery within 14 days 1 Large Plug Plant
  49. Perovskia atriplicifolia Plant

    Perovskia atriplicifolia Plant

    Commonly called Russian Sage, Perovskia atriplicifolia is an upright herbaceous perennial shrub. Light blue tubular flowers bloom over a long period from July until October and the grey-green leaves are aromatic,…

    Despatch from August 2019 3 Litre Potted Plant
  50. Hosta Plants - Fire and Ice Save 37%

    Hosta Plants - Fire and Ice

    …flowers emerge from this gorgeous foliage from July- August. Hosta's love shade and this striking variety will certainly brighten up a dark corner in either pot or border. Flowers July-August. Height 50-60cm (20-24");…

    Despatch from May 2019 3 x 9cm Pots
    From £15.00 Was £23.97
  51. Hosta Plant - Fire & Ice

    Hosta Plant - Fire & Ice

    …emerge from this gorgeous foliage from July- August. Hosta's love shade, and this striking variety will certainly brighten up a dark corner in either pot or border. RHS Award of Garden Merit winner. Flowers July-August.…

    Despatch from 29/04/2019 1 x 9cm Potted Plant
  52. Meconopsis Plant - Alba

    Meconopsis Plant - Alba

    …Poppies, these magnificent and much admired perennials bear breathtaking poppy-like flowers. The clump-forming plants are fully hardy and prefer a lime-free soil. Supplied in a 9cm pot. Alba - This is the somewhat…

    Despatch from 03/05/2019 1 x 9cm Potted Plant
    From £7.99
  53. Cosmos Plants - Capriola

    Cosmos Plants - Capriola

    …it blooms all summer. Try it with blue ageratum or in cut flower posies. Height 60cm (2).These traditional cottage garden favourites are perfect for all types of informal plantings. Use taller varieties at the back…

    Despatch from May 2019 15 Garden Ready Plugs
    From £9.99
  54. Cosmos Plants - Capriola Save 24%

    Cosmos Plants - Capriola

    …it blooms all summer. Try it with blue ageratum or in cut flower posies. Height 60cm (2).These traditional cottage garden favourites are perfect for all types of informal plantings. Use taller varieties at the back…

    Despatch from May 2019 30 Garden Ready Plugs
    From £14.99 Was £19.98
  55. Meconopsis Plants - Lingholm Save 37%

    Meconopsis Plants - Lingholm

    Commonly known as Himalayan Poppies, these magnificent and much admired perennials bear breathtaking poppy-like flowers. The short-lived, clump-forming plants are fully hardy and prefer a lime-free soil. Flowers June-July…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  56. Meconopsis Plants - Alba Save 37%

    Meconopsis Plants - Alba

    …these magnificent and much admired perennials bear breathtaking poppy-like flowers. The short-lived, clump-forming plants are fully hardy and prefer a lime-free soil. Flowers June-July/August. Alba - This is the…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  57. Meconopsis Plant - Lingholm

    Meconopsis Plant - Lingholm

    …poppy family (Papaveraceae), but they are not true poppies (Papaver). Commonly known as Himalayan Poppies, these magnificent and much admired perennials bear breathtaking poppy-like flowers. The short-lived. clump…

    Despatch from 03/05/2019 1 x 9cm Potted Plant
    From £7.99
  58. Eryngium Plant - Neptunes Gold

    Eryngium Plant - Neptunes Gold

    Electric blue flowers surrounded by silver/gold bracts atop rich blue stems, contrast beautifully with golden-yellow leaves. Gorgeous spiky foliage and truly spectacular flower heads. Flowers July-September. Height…

    Despatch from 08/05/2019 1 9cm Potted Plant
    From £7.99
  59. Eryngium Plants - Neptunes Gold Save 37%

    Eryngium Plants - Neptunes Gold

    Electric blue flowers surrounded by silver/gold bracts atop rich blue stems, contrast beautifully with spiky golden-yellow leaves. Fabulous foliage & freaky flowers. Flowers July-September. Height 50-60cm (20-24"…

    Despatch from May 2019 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  60. Streptocarpus Plant - Marion

    Streptocarpus Plant - Marion

    White and blue sport from Katie with all the same excellent qualities. Exceptionally long flowering season. Great for the show bench. Flower size 5cm+. Flowers early April-late October. Height 11-20cm. Tender perennial<…

    Delivery within 14 days 1 Super Plug Plant
Showing 60 product(s)
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