Blue Perennial Flowers

Veronica spicata 'Ulster Dwarf Blue'

…deep green, lance-shaped leaves, a myriad deep blue flowers crowd the upright stems to form perfect spires tipped with lime green, creating an eye-catching display all summer that is a magnet for pollinators. An easy and reliable hardy perennial, Veronica spicata has a place in every garden. Height…  More Info

Just£24.99

Campanula carpatica 'Pearl Dark Blue'

…carpatica 'Pearl Deep Blue' is an improvement on earlier cultivars of Campanula carpatica, with larger blooms. It forms low mounds of heart-shaped foliage which from early summer are covered in open, bell-shaped, upright flowers which create cushions of deep violet blue. It is perfect for filling…  More Info

Just£19.99

Delphinium 'Blue Bird' (Pacific Hybrid)

…blue flowers, with white centres, grow on tall spires in June and July, that give height to garden borders. Delphiniums are a traditional cottage garden plant, but this variety also looks great in modern contemporary gardens, especially planted alongside plants with white, blue and purple flowers.…  More Info

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Meconopsis baileyi 'Blue' - Seeds

Is there a more beautiful bloom in the entire flower kingdom then the famous Blue Poppy? It is only to be expected that an elusive, magical flower like this is a little harder to grow. The secret with this plant is to grow cool and well shaded. Height: 60-90cm (24-36in).  More Info

Just£4.49

Nemesia 'Most Scented Melody Lilac Blue'

…snap-dragons in pale blue with a white eye smother dense, rounded mounds of tiny foliage. Miniature but mighty, Nemesia ‘Most Scented Melody Lilac Blue’ has incredible flower power combined with a dainty charm that means it harmonises seamlessly with perennial borders and cottage garden…  More Info

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Nepeta nervosa 'Blue Moon' - Seeds

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

Just£3.29

Passiflora (Passion Flower) 'Lavender Lady'

Passion flowers are vigorous but tender evergreen climbers grown for their uniquely elaborate and showy blooms. Offset by deep green, three-lobed leaves, the exotic flowers of Passiflora 'Lavender Lady' are an unusual and striking shade of pale purple, with vivid blue-purple filaments surrounding a…  More Info

Just£12.99

Fuchsia 'Lionita Double Rose-Blue'

…rewards with hundreds and hundreds of flowers for minimal effort! Fuchsia ‘Lionita Double Rose-Blue’ bears a profusion of double flowers with pink outer corollas and purple inner petals. The flowers are both dainty and high-impact. Flowering is so abundant, and the plants are so densely…  More Info

Just£22.99

Geranium 'Rozanne'

…as Cranesbill. Followers of the RHS Chelsea Flower Show will know that this plant was awarded 1st place in their ?Plant of the Centenary? competition in 2013. Geranium 'Rozanne' produces an abundance of lilac blue flowers. These hardy perennial plants make excellent ground cover and help create…  More Info

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Ceratostigma plumbaginoides

…for a perennial, it not only bears colourful flowers, but vivid autumn foliage too. Ceratostigma plumbaginiodes forms a low-growing, spreading plant composed of wiry red stems clothed in bright green, oval leaves. From late summer to autumn, it bears clusters of gentian blue flowers of a vivid…  More Info

Just£29.99

Passiflora caerulea on a Hoop

…ideal for a sunny windowsill where you can admire up close its spectacular greenish-white flowers adorned with a prominent central stigma and surrounded by a ring of purple, blue and white filaments. The flowers are followed by decorative orange fruits that stand out against a background of glossy,…  More Info

Just£19.99

Anagallis monellii 'Skylover'

…to Lobelia! The spreading stems of this pretty Blue Pimpernel make a carpet of summer flowers for your rockery or alpine garden. Its interesting foliage and pendulous habit are perfect for your hanging baskets too. This delightful hardy perennial offers an extravaganza of ultramarine all summer…  More Info

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Meconopsis baileyi 'Hensol Violet'

The 'must-have' Himalayan 'Blue Poppy' has a rival in this exquisite cultivated form. Bright violet-purple, almost shimmering flowers, with the merest hint of red, make a stunning addition planted in groups in shady borders and woodland areas. This 'collectors plant' still surprises countless…  More Info

Just£2.99

Catananche caerulea

This bright little perennial makes a superb addition to cut flower arrangements for its long-lasting blooms! Ragged-edged, lavender-blue flowers burst from straw like buds in summer. The flowers are replaced by papery seed heads that can be used to good effect in dried arrangements too. Although a…  More Info

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Agapanthus 'Twister'

…more contemporary style of garden. The flower 'globes' of Agapanthus 'Twister' are made up of many small, delicate flowers, with pure white flutes that blend to inky blue throats. They sit atop sturdy stems about 60cm (24) in height. This African Lily flowers between July and September and thrives…  More Info

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Passiflora caerulea

…rather unpleasant to taste. An easily trained, vigorous climber that will quickly cover sunny walls and pergolas. Height: 10m (32?). Supplied as 40mm plug plants. Supplied in 2 litre pots. Culinary information: Some parts of these flowers are edible. Click here for more details about edible flowers.  More Info

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Campanula poscharskyana

…Serbian Bellflower, Campanula poscharskyana forms a creeping mat of lax stems that are smothered in violet blue, star shaped flowers late spring to August. This low growing hardy perennial has a spreading habit that makes superb groundcover in rockeries and gravel gardens, or spilling over low…  More Info

Just£19.99

Butterfly Pea

…the flowers of the blue variety are dipped in batter and fried, they also make good garnishes for salads. A syrupy sherbet drink can also be made from the blue flowers and a tea or tisane which is a rich blue colour. For more details about edible flowers click here. Useful Links: How to sow flower…  More Info

Just£2.87

Agapanthus Duo

…these reliable perennials make stylish container plants, or plant them in bold groups in sunny borders where they will provide a long-lasting display. The large spherical blooms are also magnificent in cut flower displays. Agapanthus Duo comprises the following varieties:* Agapanthus ‘Blue…  More Info

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Centaurea montana

…blue flowers in the early summer. They are borne over the grey-green leaves and show off its spidery flower heads and its eye-catching purple tones. They are perfect in sunny borders and in gravel gardens. The butterflies and bees love Centaurea montana due to its nectar rich blooms too. As flowers…  More Info

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Eryngium planum

Commonly known as Sea Holly, this thistle-like perennial produces upright, branching stems of thimble-sized, steel-blue flowers surrounded by spiny bracts. From July to early autumn, these long-lasting blooms provide a valuable source of nectar for butterflies and pollinating insects. Eryngium…  More Info

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Campanula poscharskyana 'Stella'

This low growing hardy perennial has a lovely spreading habit. Branching stems produce loose sprays of star-shaped, violet-blue flowers that are irresistible to pollinating insects. Vigorous and free flowering, Campanula poscharskyana 'Stella' requires little maintenance once established. At its…  More Info

Just£24.99

Lupin 'The Governor'

Bicolour pea-like flowers are tightly packed on tall architectural spires. Carefully bred for a long flowering period with unbeatable garden performance. This traditional cottage garden perennial creates a strong impression in borders or planted in groups at the edge of woodlands. Height: 90cm (36).…  More Info

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Campanula persicifolia 'Caerulea'

…compact upright perennial which will add structure and beauty to any border. It can also be grown in pots and containers on your patio. The blue and mauve, open bell shaped flowers, will attract pollinating insects to your garden. The flowering stems can also be used as a cut flower. Height: 70cm…  More Info

Just£19.99

Aubrieta 'Gracea'

…border edges. In April and June the foliage becomes obscured by masses of blue flowers which provide a rich source of nectar for pollinating insects, making it a useful addition to wildlife gardens. This resilient perennial copes with the toughest of conditions once established, and can be relied…  More Info

Just£19.99

Anemone 'Wild Swan'

Unique new cross between an early and a late flowering anemone, its delicate petals are white on one side and blue-purple underneath, it'll flower from April to October. If it looks familiar, that's because it was awarded the RHS Chelsea Flower Show Plant of the Year in 2011. Ht. 60cm. Supplied in…  More Info

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Salvia nemorosa 'Bumblesky'

…upright spikes of soft-blue tubular flowers, flowering freely from summer to autumn with regular deadheading. Its compact, bushy habit makes it ideal for the front of the border, small gardens and containers. Hardy salvias are reliable and easy perennials which are drought tolerant once established.…  More Info

Just£24.99

Campanula persicifolia 'Telham Beauty'

…the nectar-rich bell shaped flowers of Campanula persicifolia 'Telham Beauty' are a haven pollinators. Naturally beautiful with graceful wildflower charm, these pretty Bellflowers feel right at home in an informal planting scheme, long grass area or mixed flower border. Not only do they look…  More Info

Just£19.99

Polemonium reptans 'Stairway to Heaven'

…foliage with the added feature of pretty blue flowers during April and May. The heat-tolerant tapering leaves of Polemonium reptans 'Stairway to Heaven' have a deep cream edge that will develop a pink tinge in full sun. Jacobs Ladder versatile hardy perennial that is easy to maintain and will make a…  More Info

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Meconopsis baileyi 'Hensol Violet'

The 'must-have' Himalayan Blue Poppy' has a rival in this exquisite cultivated form. Bright violet-purple, almost shimmering flowers, with the merest hint of red, make a stunning addition planted in groups in shady borders and woodland areas. This 'collectors plant' still surprises countless…  More Info

6 Options From£9.99

Aquilegia vulgaris

…as many of its cultivars and well worth a place in the garden. Nodding, mauve-blue flowers crown its upright, slender stems creating an airy display that mingles beautifully with other early summer perennials. A tough and dependable plant, you?ll find this Columbine to be hardy, reliable and easy…  More Info

Just£19.99

Allium caeruleum

A true blue Allium with globes of tiny flowers perched atop stiff, upright stems. The foliage of Allium caeruleum often dies back before the flowers emerge so it is best planted among leafy herbaceous perennials where the yellowing foliage can be hidden out of sight. A lovely choice for delivering…  More Info

Just£7.99

Agapanthus 'Ever Sapphire'

A profusion of deep blue flowers form large, rounded heads that appear early in the season. Flowering from late May, Agapanthus ?Ever Sapphire? comes from recent breeding, offering a repeat flowering African Blue Lily which will enchant you throughout the summer.  More Info

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Brunnera 'Jack Of Diamonds'

…of Diamonds’ a stand-out perennial for shade. The largest-leaved of all Brunnera, each leaf measures around 24cm, forming neat clumps of overlapping leaves that provide bold structure, texture and colour. In spring, sprays of blue forget-me-not type flowers hover above the foliage, luring…  More Info

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Baptisia 'Decadence Blueberry Sundae'

…lupin-like, indigo blue flowers, up to 25cm long. From May, the blooms begin to open from the bottom of the spike upwards, reaching a crescendo in late summer. The flowers are followed by decorative black seed pods, extending interest into the autumn. A rewarding perennial for an informal,…  More Info

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Agapanthus 'Jacaranda'

This African Blue Lily won't leave you feeling blue with its spectacular umbels of violet flowers, patterned with a darker stripe. What's more, the Agapanthus 'Jacaranda' is one of the first hardy perennials of its kind to bloom, so will add a dramatic splash of colour to sunny borders from June…  More Info

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Delphinium 'Red Lark'

Delphinium ‘Red Lark’ is a strikingly unusual flower colour bearing bright, salmon-red, semi-double flowers above mounds of finely cut foliage. This free-flowering variety has stronger stems and a compact growth habit which makes it an easier Delphinium to manage than taller varieties.…  More Info

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Dracocephalum rupestre

This unusual perennial is native to mountain meadows in China where it thrives in rocky, freely draining ground. It has long been grown in Chinese gardens, where it is valued for its intensely blue, tubular flowers borne on upright, unbranched stems above clumps of softly hairy leaves. A relative of…  More Info

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Splash of Colour Collection

…– Cushions of wispy silver foliage with small yellow flowers in spring. Maximum height: 100cm (39in). Spread: 50cm (20in).* Viola Twix Mix Ocean Blue – Early and long flowering pansies in a harmonious mix of deep blue, sky blue, and white shades. Height: 20cm (8in). Spread: 23cm (9in).*…  More Info

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Nepeta nervosa

…overlooked! From midsummer to early autumn, this hardy perennial produces short, stout spikes of densely packed, unusually dark lilac-blue flowers, which are highly attractive to bees and butterflies and make an excellent addition to cut flower bouquets. The narrow green leaves are highly fragrant.…  More Info

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Polemonium caeruleum

Polemonium caeruleum is a dainty perennial that will readily seed about between other plants creating a naturalistic, cottage-garden look. From clumps of sparse foliage arise tall, upright stalks topped with clusters of nodding, blue flowers with golden stamens. Flowering May to June, it makes a…  More Info

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Polemonium yezoense 'Purple Rain'

Polemonium yezoense ‘Purple Rain’ is a charming perennial boasting beautiful ferny foliage in a stunning dark purple-bronze, which matures to deep green later in the year. Clusters of soft blue-purple flowers are held on upright stems in early summer. Preferring moist, fertile soils that…  More Info

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Anchusa Azurea 'Loddon Royalist'

True blues are difficult to find in plants, but Anchusa 'Loddon Royalist’ excels in its incredible, deep blue flowers which commence flowering in May, sparkling against the acid yellow foliage of the spring garden. The flowers turn deeper purple as they mature and are held on upright, loose…  More Info

Just£14.99

Saintpaulia 'Favorite Child'

…‘Favorite Child’ is a semi-double African Violet bearing ruffled white flowers with delicate blue edges above a neat rosette of rounded, fleshy leaves. African violets are the perfect flowering houseplants, blooming non-stop for many months in a wide range of jewel-like colours.…  More Info

Just£19.99

Meconopsis 'Union Jack' Collection

…the Himalayan blue poppy is a real eye-catcher in late spring and early summer. Pure white, silky petals surround golden yellow stamens to form clear, single blooms up to 10cm (4) across. This captivating short-lived perennial is 99% true to type; very occasionally the odd blue flower may appear.…  More Info

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Sisyrinchium bellum

…evergreen, blue-green leaves which associate well with ornamental grasses. From late spring through early summer, it bears sprays of small, blue flowers with yellow centres, each only lasting one day but produced successively in abundance. Can also be grown in bog gardens. Height: 15cm (6”).…  More Info

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Saintpaulia 'Tina's April Fantasy'

…has glistening white flowers splattered with random blue splashes which look just as though they have been flicked off an artist’s paint brush. Little but fierce, African violets are flowering powerhouses! With the right care, these dainty houseplants will push out flowers non-stop for months…  More Info

Just£19.99

Salvia pratensis 'Madeline'

…garden designer, Piet Oudolf, it features spikes of eye-catching bicoloured flowers. Each flower has a violet-blue hood and a white lip edged in a matching blue. Salvia pratensis ‘Madeline’ will flowers for ages and ages – just be diligent with the dead-heading and feeding,…  More Info

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Agapanthus 'Bluestorm'

…stems than traditional varieties, and blooms for up to 3 weeks longer through the summer. Masses of soft violet flowers are carried on stiff stems making this a superb cut flower. The strap-like, semi evergreen foliage is resilient and drought resistant - just perfect for filling patio containers…  More Info

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Geranium 'Azure Rush'

…is a flowering powerhouse that is brilliant for adding long-lasting colour, especially in smaller gardens where space is at a premium and plants really need to earn their keep. It’s also great for filling gaps in the front of larger borders. Saucer-shaped, light lavender blue flowers with…  More Info

Just£9.99

Delphinium belladonna 'Bellamosum'

…extra-large blue flowers. These belladonna hybrids are particularly generous in flower as rather than the single spikes of other varieties, plants are multi-branching and more compact so they require less staking. This iconic cottage-garden plant is an outstanding architectural perennial for the…  More Info

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Tradescantia J C Weguelin

…unusual 3-petalled flowers produced over a long period, nestled amongst long, sword-shaped evergreen leaves. These versatile clump-forming perennials are unfussy about soil and grow well in sun or in part shade. Tradescantia 'J.C. Weguelin' bears clusters of beautiful pale blue blooms with…  More Info

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Agapanthus 'Ever Sparkle'

The first ever compact Agapanthus to feature bicoloured flowers and an extended flowering period! Agapanthus ‘Ever Sparkle’ is a semi-dwarf variety with gorgeous indigo and white bicoloured flowers. This free-flowering selection is especially eye-catching and at only 40cm tall,…  More Info

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Agapanthus Everpanthus Collection

…and repeat flowers throughout the summer. Height and spread: 40cm-60cm (16in to 24in). Agapanthus Everpanthus Collection contains the following varieties:* Agapanthus ‘Ever White’ – pure white* Agapanthus ‘Ever Sapphire’ – bright blue* Agapanthus ‘Ever…  More Info

Just£29.99

Aquilegia caerulea

…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 spring/early summer. Height: 30-35cm (12-14in)  More Info

Just£2.99

Agapanthus 'Midnight Sky'

…by De Wet, the experts in Agapanthus. It features intense purple-blue flowers emerging from almost black buds above clumps of bright green strappy foliage. Everpanthus® are known for their vigour, incredibly long flowering period and excellent re-blooming qualities. Not only do they produce a…  More Info

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Passiflora 'Cooltropics' Eia Popeia''

…the flowers are followed by delicious, aromatic fruits the size of an egg, which are ready to harvest in September-October when they mature to yellow. Passiflora Cooltropics® have been bred specifically to grow in cooler climates and have been selected for early flowering and fruiting.…  More Info

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Eryngium variifolium Miss Marbel

…other border perennials. Basal rosettes of dark green leaves boldly marked with silvery veining give rise to stiff stalks bearing deep blue thistle-like flowers surrounded by long, spiky bracts. Flowering in July and August, it makes a fantastic partner to other drought-tolerant perennials such as…  More Info

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Vinca minor 'Illumination'

A trailing evergreen perennial with striking, variegated golden foliage and violet-blue periwinkle flowers. Flowering over a long period from late spring through to late summer, Vinca minor 'Illumination' is a fantastic low-maintenance addition to the garden and provides all-year-round interest.…  More Info

Just£29.99

Euphorbia myrsinites

…to rockeries, gravel gardens, coastal gardens and dry, sun-baked spots. This hardy perennial forms trailing stems of pointed greyish leaves, arranged in a geometric whorl around the stem. Acid green flowers emerge at the tips of the stems in spring to create a beautiful contrast with the blue-grey…  More Info

Just£19.99