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Under £20, Hardy, Lilac, Blue, Perennial

5704 products, 777 articles, 855 blogs

Meconopsis 'Lingholm'

331 Reviews

This captivating short lived perennial is a 'must have'! From basal rosettes of hairy leaves rise tall stems bearing spectacular, single clear blue poppy flowers, up to 10cm (4) across. Meconopsis 'Lingholm' makes a stunning feature planted en masse in woodlands, and…  More Info

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

7 Options From£6.49

by the end of march 2021

Agapanthus Duo Collection

34 Reviews

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£8.99

by the end of august 2021

Muscari armeniacum

27 Reviews

The classic Grape Hyacinth - Muscari armeniacum produces densely packed spikes of tiny deep blue flowers throughout Spring. Easy to grow, this charming spring bulb quickly naturalises to form dense carpets of colour and has been awarded an RHS AGM.  More Info

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

3 Options From£8.99

within 48 hours

Verbena bonariensis

10 Reviews

Tall heads of bright, eye -catching rosy lavender, adding a tranquil tropical feel to borders. Height: 120-150cm (4-5ft)  More Info

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

Just£2.99

within 48 hours

Geranium 'Rozanne'

81 Reviews

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

3 Options From£16.99

by the end of july 2021

Passiflora caerulea

42 Reviews

Popular for its exquisite flowers, Passiflora caerulea is a vigorous semi-evergreen climber with attractive lobed leaves. From summer through to autumn it produces large white flowers with a fascinating structure, including a striking ring of blue-purple filaments. The…  More Info

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

3 Options From£11.99

within 21 days

Pansy 'Mystique Blue Halo'

11 Reviews

Fill your beds and pots with 'Mystique Blue Halo's unique colouring. The super-sized blooms will create a dazzling, cool blue display.  More Info

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

4 Options From£10.99

Verbena 'Buenos Aires'

3 Reviews

Verbena 'Buenos Aires' features tightly clustered, rich purple florets which sit atop long stalks in a typically striking verbena bonariensis style. The long lasting blooms of the stunning variety are guaranteed to attract clouds of bees and butterflies into your garden…  More Info

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

Just£8.99

within 14 days

Geranium bohemicum 'Orchid Blue'

14 Reviews

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£1.00

within 48 hours

Brunnera macrophylla 'Jack Frost'

8 Reviews

Brunnera macrophylla 'Jack Frost' produces elegant sky blue flowers in spring above neat clumps of foliage. The big heart-shaped leaves are a sparkling silver colour that will brighten up even the shadiest borders. This hardy perennial makes good groundcover and can be…  More Info

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

Just£15.99

Agapanthus africanus 'Twister'

85 Reviews

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

5 Options From£8.99

by the end of july 2021

Verbena bonariensis

2 Reviews

Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems. The long lasting blooms of Verbena bonariensis attract clouds of bees and butterflies. This perennial verbena has enjoyed a resurgence in popularity in recent…  More Info

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

Just£5.99

within 14 days

Agapanthus 'Ever Sapphire'

4 Reviews

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

2 Options From£9.49

within 48 hours

Clematis 'New Love'

49 Reviews

This fabulous herbaceous Clematis has a self supporting, bush forming habit that is perfect for bulking up perennial borders with vigorous clumps of dense foliage. The star-shaped, indigo blooms of Clematis 'New Love' have slender, reflexed petals and a lovely sweet…  More Info

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

5 Options From£15.99

within 14 days

Eryngium planum 'Blue Hobbit'

18 Reviews

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£11.99

within 21 days

Anemone 'Frilly Knickers'

0 Reviews

This new introduction boasts the elegant, pale-violet tones of its parent plant ?Dreaming Swan?, plus all the frills and razzmatazz that you could wish for! Layer upon layer of ruffled petals make this superb double Japanese Anemone a real show-stopper.  More Info

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

2 Options From£9.99

by the end of november 2020

Agapanthus 'Fireworks'

147 Reviews

For stunning, exotic looking blue and white blooms that burst at the end of tall stems like a fireworks in your flower bed, look no further than this amazing African Lily. An easy to keep variety that will get bigger and produce more flowers each year.  More Info

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

3 Options From£10.99

within 48 hours

Verbena bonariensis

1 Review

With Verbena bonariensis the main attraction is the display of clustered cushioned heads of glowing lavender coloured flowers which are produced on top of stiff upright branching stems. Between July and October bees and butterflies are attracted to feed on the nectar…  More Info

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

Just£8.49

within 21 days

Verbena bonariensis 'Lollipop'

11 Reviews

You might not expect verbena to be so compact but this variety, Verbena bonariensis 'Lollipop' has the same tight clusters of floating purple flowers but has shorter stems that reach only half the usual height. The perfect size for patio pots and the front of borders.  More Info

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

Just£7.99

within 21 days

Agapanthus Blue & White Collection

273 Reviews

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£15.99

by the end of november 2020

Viola 'Cool Summer Breeze'

4 Reviews

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

Echinops ritro

0 Reviews

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£7.99

by the end of november 2020

Eryngium 'Blue Steel'

4 Reviews

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£8.49

by the end of november 2020

Campanula pyramidalis (Mixed)

3 Reviews

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

Agapanthus 'Flower of Love'

12 Reviews

The deep blue florets of Agapanthus 'Flower of Love' are some of the darkest in the genus. Set above lush evergreen foliage, the exotic blooms make a real statement in sunny borders and patio containers, returning each summer and getting better every year. Hardier than…  More Info

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

2 Options From£9.49

by the end of may 2021

Corydalis flexuosa 'Porcelain Blue'

61 Reviews

Exquisite, azure blue flowers rise on delicate stems above a spreading clump of finely cut, blue-green leaves. The slender, tubular flowers of Corydalis flexuosa 'Porcelain Blue' appear in spring, with a second flush in autumn.  More Info

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

3 Options From£8.99

within 14 days

Phlox 'Pharao Blue Eye'

22 Reviews

Creeping Phlox are useful for dry, sunny banks and all those places that other plants just won't grow! Plants produce an impenetrable mat of fragrant flowers; suppressing weeds and resisting drought! The detailed eye on each gleaming white is also quite striking!  More Info

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

2 Options From£17.99

within 14 days

Agapanthus 'Ever' Duo

7 Reviews

A truly wonderful agapanthus double act! Agapanthus 'Ever? 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 …  More Info

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

Just£11.99

Agapanthus 'Tom Thumb'

0 Reviews

It?s easy to see the appeal of this new dwarf Agapanthus! Tight clumps of strappy, evergreen foliage create good ground cover, while the summer display of upright, sky-blue flowers last for weeks on end, and make magnificent cut flowers.  More Info

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

6 Options From£9.99

within 14 days

Veronica 'Pink Harmony'

7 Reviews

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

2 Options From£8.99

by the end of november 2020

Perennial Collection

0 Reviews

Brighten up a dark corner of the garden with the bold, variegated foliage of Hosta ?Patriot? This RHS AGM variety boasts broad, olive green leaves with an irregular white margin that reflects light into shaded borders.  More Info

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

3 Options From£16.99

within 14 days

Eryngium 'Magical Blue Globe'

1 Review

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£15.59

by the end of april 2021

Campanula poscharskyana 'Blue Waterfall'

3 Reviews

A new twist on a much-loved garden favourite, 'Buzz'® is the world's first patio buddleja! These attractive, compact plants are loved by bees and butterflies, but won't take over your garden. Buddleja '® Ivory' is easy to grow and problem-free with a super long…  More Info

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

3 Options From£16.99

Phlox paniculata 'Laura'

1 Review

Perennial Phlox plants are well known for their sweet-smelling blooms, making them popular in scented gardens and cut flower displays. Phlox paniculata 'Laura' is no exception, producing fragrant clusters of delicate, purple petals throughout the summer and early autumn…  More Info

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

2 Options From£9.99

Delphinium x cultorum 'Centurion Lilac Blue Bicolour' F1 Hybrid

5 Reviews

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 'Full Moon'

0 Reviews

Agapanthus are perfect for adding structure and colour to borders in summer. Their upright stems and rounded flower heads rise above clumps of strappy, dark green foliage.  More Info

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

2 Options From£16.99

by the end of may 2021

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