Call us today: 0333 400 0033

100% Satisfaction Guarantee

Refer A Friend And Get 20% Off*

Track Your Order

Our Customers Rate Our Excellent Service

Home > All Products > Perennial> Borders> Blue

Blue, Borders, Perennial

6021 products, 777 articles, 855 blogs

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

despatch within 3 days

Nepeta 'Neptune'

Here's a wonderfully versatile perennial! Nepeta 'Neptune' works well planted in clumps on its own in a border or as a companion plant in a container.  More Info

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

2 Options From£7.99

despatch by end of may 2020

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

despatch within 3 days

Eryngium 'Magical Blue Globe'

Sea Holly makes a superb hardy perennial for hot, sunny borders. Thriving on gritty soils, they are tough, resilient and reliable. This variety boasts a compact habit, and attractive, sculpted foliage. The silvery stems are topped with domed flowers and surrounded by a…  More Info

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

2 Options From£9.99

despatch by end of may 2020

Aster dumosus 'Samoa'

Incandescent purple-blue flowers with bright golden eyes, cover the slender green foliage in autumn. This vibrant hardy plant brings a welcome splash of colour to herbaceous borders when many perennials are past their best.  More Info

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

2 Options From£8.99

despatch by end of march 2020

Eryngium planum 'Blue Hobbit' (Garden Ready)

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

Just£9.99

despatch by end of april 2020

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

despatch within 3 days

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 january 2020

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

despatch within 3 days

Felicia 'Magic Blue Daisy'

An unusual bedding plant with real flower power! Felicia ?Magic Blue Daisy? produces a constant supply of little blue daisies with bright gold eyes that rise above a mound of fresh green foliage throughout summer.  More Info

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

3 Options From£8.99

despatch by end of april 2020

Viola sororia 'Freckles'

Viola sororia 'Freckles' is quite unlike any other variety, bearing violet-purple, speckled flowers from spring through into summer. These unusual blooms are held above neat clumps of deep-green, heart-shaped foliage. A memorable Violet, 'Freckles' self-seeds freely,…  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 february 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

despatch within 3 days

Agastache foeniculum

Silvery-green foliage which is scented unmistakenly of Aniseed. Flower spikes of blue appear during summer. Bees, butterflies and goldfinches love it!  More Info

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

Just£2.69

despatch within 3 days

Agapanthus 'Ever Sapphire'

Agapanthus 'Ever Sapphire? is a semi-dwarf variety which produces multiple spikes of bright blue flowers all summer in a sunny or partly shaded position. Agapanthus are tough, fast growing and drought tolerant, these plants are a real 'must-have? for any style of garden…  More Info

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

Just£7.99

despatch by end of august 2020

Campanula persicifolia 'Blue Bell'

Campanula persicifolia 'Blue Bell' is a charming upright perennial, producing a summer display of slender, stems adorned with outward facing, bell-shaped blooms in a rich shade of blue. Campanulas are a well-loved addition to cottage garden borders, forming an evergreen…  More Info

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

Just£9.99

despatch by end of april 2020

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

despatch within 3 days

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£12.99

despatch by end of april 2020

Salvia Salgoon 'Lake McKenzie'

Salvia Salgoon 'Lake McKenzie' is a new introduction that?s sure to be a hit with UK gardeners. A sublime display of indigo blue flowers are borne on black stems throughout the summer. The nectar-rich blooms are loved by pollinating insects.  More Info

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

Just£9.99

despatch by end of april 2020

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

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

Agapanthus Duo

This superb duo of African Lilies brings together two exciting varieties. The bicolour blooms of Agapanthus ?Fireworks? compliment the dark blooms of Agapanthus 'Poppin' Purple' to perfection. Their rounded flower heads rise above neat clumps of narrow, strap-like…  More Info

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

2 Options From£16.99

despatch by end of march 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

despatch within 3 days

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 baileyi 'Alba' and Meconopsis baileyi.  More Info

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

2 Options From£14.99

despatch by end of september 2020

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

despatch within 3 days

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 within 3 days

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 within 6 days

Verbena hastata 'Blue Spires'

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

2 Options From£8.99

despatch by end of march 2020

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

despatch within 3 days

Meconopsis baileyi 'Blue'

Is there a more beautiful bloom in the entire flower kingdom then the famous Blue Poppy? The large bowl shaped blooms will have a dramatic effect and are certainly worth a place in your garden.  More Info

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

3 Options From£7.99

despatch by end of april 2020

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 within 6 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 march 2020

Delphinium 'Dark Blue & White Bee'

These magnificent delphinium blooms are certain to create quite an impact in your garden this season.  More Info

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

Just£5.99

despatch by end of march 2020

Clematis 'Guiding Promise'™ evipo053

Iris setosa 'Baby Blue' is a charming little Iris of petite proportions, reaching just 20cm (8) tall. Violet veins decorate the lavender-blue petals, which are splashed with white at the centre of each bloom.  More Info

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

2 Options From£24.99

despatch by end of april 2020

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 required as their…  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 march 2020

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

despatch by end of march 2020

RedEye