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Blue Perennial Plants

Showing 60 product(s)
  1. Cineraria Maritima Seeds - Dwarf Silver

    Cineraria Maritima Seeds - Dwarf Silver

    Delightfully fringed, deeply cut silver foliage. Perfect with bedding items such as red salvia, blue petunias, geraniums or yellow marigolds. HHA/HHP - Half hardy annual/Half hardy perennial. Height 23-30cm (9-12").

    Delivery within 7 days Average Seeds 400 - Bulk Pack
    From £2.99
  2. Saintpaulia Plant - Ness' Midnight Fantasy

    Saintpaulia Plant - Ness' Midnight Fantasy

    A free flowering jewel among saintpaulias. The semi-double light pink flowers show fascinating blue fantasy markings. Dark green foliage with a red back. Standard variety. Flowers January-December. Height 11-20cm. GP -…

    Delivery within 14 days 1 Large Plug Plant
  3. Primula Plants - Zebra Blue

    Primula Plants - Zebra Blue

    Primula Zebra Blue has unique blue-and-white-striped petals with a contrasting sunny yellow eye. These hardy perennial plants will reward you with a beautiful show of flowers in late winter and early spring,…

    Despatch from September 2020 15 Garden Ready Plugs
    From £9.99
  4. Lavender Plants - Forever Blue Save 37%

    Lavender Plants - Forever Blue

    This exceptional 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…

    Delivery within 7 days 3 x 9cm Potted Plants
    From £15.00 Was £23.97
  5. 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.…

    Delivery within 7 Days 1 x 2 Litre Potted Plant
  6. Lavender Plant - Forever Blue

    Lavender Plant - Forever Blue

    …for much longer 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…

    Delivery within 7-14 days 1 x 9cm Potted Plant
    From £7.99
  7. Lotus Plants - Fire Vine

    Lotus Plants - Fire Vine

    …appear during the first summer, the plants will initiate more flower buds if lightly trimmed and kept in a bright, cool but frost free location during the winter and early spring and then planted out in a hot…

    Despatch from April 2020 6 Super Plugs
  8. 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
  9. 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
  10. Saintpaulia Plant - Tula

    Saintpaulia Plant - Tula

    An older, but very beautiful variety. Large coral flowers with a sparkling rose-coloured overlay, a thin blue band and a distinct white edge. Standard variety. Flowers January-December. Height 11-20cm. GP - Greenhouse Delivery within 14 days 1 Large Plug Plant

  11. 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
  12. Saintpaulia Plant - Favorite Child

    Saintpaulia Plant - Favorite Child

    Semi-double white ruffled flowers with medium blue edges. Medium green quilted foliage. Standard variety. Flowers January-December. Height 11-20cm. GP - Greenhouse perennial.

    Delivery within 14 days 1 Large Plug Plant
  13. 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
  14. Ajuga Plant - Princess Nadia

    Ajuga Plant - Princess Nadia

    An exciting new plant, whose glowing pink spring foliage changes to a rich patchwork in the summer, topped with denim blue crowns of flowers. This creeping plant will jazz up your tired old rockery and liven…

    Delivery within 7-14 days 1 x 2 Litre Potted Plant
  15. Anemone Plant - Elfin Swan

    Anemone Plant - Elfin Swan

    …October.Each flower has a violet-blue underside and a large yellow centre, making these perennials a striking choice for your outside space. Elfin Swan anemone makes a fantastic specimen and is superb for mass Delivery within 7 days 1 x 2 Litre Potted Plant

  16. Aster Island Plant - Samoa

    Aster Island Plant - Samoa

    A dwarf and compact aster form with purple-blue flowers, that have a yellow centre. The flowers cover the dark green foliage from late summer and into autumn. Unlike many other varieties, the Island series keeps its shape and…

    Delivery within 7 days 1 x 2 Litre Potted Plant
  17. Aster Plant - Autumn  Jewels 'Aqua Compact'

    Aster Plant - Autumn Jewels 'Aqua Compact'

    Aster 'Aqua Compact' is an attractive dwarf daisy, forming a bushy clump covered in September and October with semi-double bright blue flowers with golden centres. Gorgeous late summer and autumn colour at the front of…

    Delivery within 7 Days 1 x 2 Litre Potted Plant
  18. Meconopsis Seeds - Lingholm

    Meconopsis Seeds - Lingholm

    Everyone loves the 'blue poppy' and Lingholm is the largest flowered variety of those available with teh deepest colour too. Easier to grow than other perennial poppies. Height 90cm (3'). HP - Hardy perennial.

    Delivery within 7 days Average Seeds 70
  19. Dahlia Seeds - Dwarf Amore Mixed Save 6%

    Dahlia Seeds - Dwarf Amore Mixed

    plants to bring a riot of colour to the summer garden. Ideal for tubs and borders and excellent grown with blue salvia Victoria. Spring sown plants will flower right through to the Autumn frosts and…

    Delivery within 7 days Average Seeds 60
    From £2.79 Was £2.99
  20. Dahlia Seeds - Dwarf Amore Save 33%

    Dahlia Seeds - Dwarf Amore

    plants to bring a riot of colour to the summer garden. Ideal for tubs and borders and excellent grown with blue salvia Victoria. Spring sown plants will flower right through to the Autumn frosts and…

    Delivery within 7-14 days Average Seeds 120 - Twin Pack
    From £3.99 Was £5.98
  21. Cineraria Seeds - Maritima Dwarf Silver

    Cineraria Seeds - Maritima Dwarf Silver

    Delightfully fringed, deeply cut silver foliage. Perfect with bedding items such as red salvia, blue petunias, geraniums or yellow marigolds. HHA/HHP - Half hardy annual/Half hardy perennial. Height 23-30cm (9-12").

    Delivery within 7 days Average Seeds 200
    From £1.99
  22. Pansy Seeds - Cassius Mixed F1 Save 12%

    Pansy Seeds - Cassius Mixed F1

    …(3) in diameter! Blotched blooms in red, yellow and blue shades together with white, for summer or spring flowering. And unlike other large-flowered varieties where flower size diminishes in hot weather, Cassius…

    Delivery within 7 days Average Seeds 120
    £2.19 Was £2.49
  23. Viola Seeds - Funny Face

    Viola Seeds - Funny Face

    plants whose small flowers have whiskered markings resembgling little faces. Colours include violet-purple, mauve, lavender-blue, lilac-pink, bronze and creamy-white, combined with yellow or golden centres. Height…

    Delivery within 7 days Average Seeds 200
  24. Cobaea Scandens Seeds

    Cobaea Scandens Seeds

    A fast growing climber with large, bell-shaped, violet-blue flowers. Under glass, the plant is perennial. For outdoor use, treat as a half hardy annual. HHP - Half hardy perennial. Height up to 300cm (10').…

    Delivery within 7 days 13 Seeds
  25. Salvia patens Seeds

    Salvia patens Seeds

    "There is no other flower that can be grown from seed with a more 'true blue' colour to the blooms on erect stems. Flowering for an incredible 5 months if given full sun, this plant is a half hardy perennial,

    Delivery within 7 days 20 Seeds
  26. Phlox subulata Plants - Spring Blue Save 33%

    Phlox subulata Plants - Spring Blue

    This variety produces a showy display of blue, star-shaped flowers. Clip plants lightly immediately after blooming to encourage a dense habit. Wonderful in the sunny rock garden, for edging, or in mixed containers.…

    Despatch from March 2020 3 x 9cm Potted Plants
    From £12.00 Was £17.97
    More Info Currently Unavailable
  27. 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…

    Despatch from May 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  28. 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 2020 3 Litre Potted Plant
    £12.99
    More Info Currently Unavailable
  29. 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").…

    Delivery within 7-14 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  30. 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 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  31. Campanula Plant - Samantha

    Campanula Plant - Samantha

    A beautiful variety of the wonderful 'Bellflower', with fragrant mauve-blue, bell-shaped flowers on delicate stems, atop mounds of mid-green foliage. Ideal for the middle of a border or simply on its own in the patio container.…

    Despatch from May 2020 1 x 9cm Potted Plant
    From £7.99
    More Info Currently Unavailable
  32. Geranium Plant - Black Beauty

    Geranium Plant - Black Beauty

    This superior dark-leaved geranium holds its outstanding colour all summer, highlighting the clusters of bright blue flowers and making it a real eye-catcher. Flowers June-August. Height 40-50cm (16-20"). Supplied in a 9cm…

    1 x 9cm Potted Plant
    From £7.99
    More Info Currently Unavailable
  33. 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…

    Delivery within 7-14 days 1 x 9cm Potted Plant
    £5.99
    More Info Currently Unavailable
  34. 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 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  35. Brunnera Plant - Alexanders Great

    Brunnera Plant - Alexanders Great

    …in spring, with sprays of pretty, forget-me-not blue flowers. Perfect for creating a statement, and ideal for brightening up a shady spot! Also perfect for using as ground cover. Flowers late March-May. Height 40…

    Despatch from May 2020 1 x 9cm Potted Plant
    From £7.99
    More Info Currently Unavailable
  36. 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 September 2020 16 Value Plugs
    £9.99
    More Info Currently Unavailable
  37. Salvia Plants - New Dimensions Mix

    Salvia Plants - New Dimensions Mix

    Compact plants producing flower spikes in a combination of blue & purple/pink. Flowers June-September. Height 20-30cm (8-12"). Front of border variety. Supplied in a 9cm pot.

    Delivery within 7-14 days 1 x 9cm Potted Plant
    £5.99
    More Info Currently Unavailable
  38. 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…

    Delivery within 7-14 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  39. 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 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  40. 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…

    Delivery within 7-14 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  41. 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 7-14 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  42. 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 May 2020 1 x 9cm Potted Plant
    From £7.99
    More Info Currently Unavailable
  43. 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 August 2020 1 x 2 Litre Potted Plant
    £9.99
    More Info Currently Unavailable
  44. Aubrieta Plant - Blue Beauty Save 33%

    Aubrieta Plant - Blue Beauty

    …covering perennial or alpine that is smothered in flowers in spring and into early summer. The plants create mounds of small foliage which can also trail over walls are covered with masses of flowers,…

    Despatch from March 2020 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  45. Lithodora Plant - Heavenly Blue

    Lithodora Plant - Heavenly Blue

    …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 9cm pot. Front of…

    Despatch from May 2020 1 x 9cm Potted Plant
    From £7.99
    More Info Currently Unavailable
  46. Potted Perennial Plants - LUCKY DIP Save 64%

    Potted Perennial Plants - LUCKY DIP

    Light up your garden year after year with our brilliant mixed perennial plants. It's hard for us to grow exactly the right number of plants that we need each season and sometimes grow too many of certain…

    Despatch from May 2020 6 Potted Plants
    £15.00 Was £41.96
    More Info Currently Unavailable
  47. 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 September 2020 16 Value Plugs
    £9.99
    More Info Currently Unavailable
  48. 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…

    Delivery within 7-14 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  49. 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…

    Despatch from May 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  50. 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…

    Despatch from May 2020 1 x 9cm Potted Plant
    From £7.99
    More Info Currently Unavailable
  51. Salvia Plants - Blue Bouquetta Save 50%

    Salvia Plants - Blue Bouquetta

    planting is because IT PERFORMS! Strong plants, rapid growth, carefree summer flowering, bright colours - what more could you want? Plants will often still be blooming into November! Each plant

    Delivery within 7-14 days 3 x 2 Litre Potted Plants
    £10.50 Was £21.00
    More Info Currently Unavailable
  52. 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…

    Despatch from May 2020 3 x 9cm Potted Plants
    £15.00 Was £23.97
    More Info Currently Unavailable
  53. 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 September 2020 16 Value Plugs
    £9.99
    More Info Currently Unavailable
  54. Penstemon Plants - Electric Blue Save 72%

    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 7-14 days 6 x 9cm Potted Plants
    £10.00 Was £35.94
    More Info Currently Unavailable
  55. 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 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  56. Scabious Plants - Blue Note Save 72%

    Scabious Plants - Blue Note

    Delivery within 7-14 days 6 x 9cm Potted Plants
    £10.00 Was £35.94
    More Info Currently Unavailable
  57. 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 7-14 days 3 x 9cm Potted Plants
    £12.00 Was £17.97
    More Info Currently Unavailable
  58. Red, White & Blue Plants - Collection Save 45%

    Red, White & Blue Plants - Collection

    The collection contains one each of a lovely variety of red geum, blue penstemon and white leucanthemum giving a delightful mix of colour to your borders and pots. Flowers will be produced during May-September and the Delivery within 14 days 3 x 9cm Potted Plants

    £12.00 Was £21.97
    More Info Currently Unavailable
  59. 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 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
  60. 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…

    Despatch from May 2020 3 x 9cm Potted Plants
    From £15.00 Was £23.97
    More Info Currently Unavailable
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