£50 - £100, £20 - £50, Under £20, Hardy, Green, Blue, Apricot, Borders, Perennial
The ever popular Nepeta 'Six Hills Giant' is one of the most commonly grown Catmints. The lilac-blue lavender-like flower spikes rise above the silvery-green foliage from early summer onwards, giving a delightful summer display, that is ideal for softening borders and… More Info
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
3 Options From£9.99
within 3 days
Agapanthus 'Brilliant Blue' lives up to its name, with dazzling azure flowers, borne upon stiffly upright stems. The mid green, strap-like leaves form neat clumps of slender foliage that make superb ground cover when grown in dense groups. This exquisite African Lily is… More Info
- Sun shade: sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
3 Options From£26.99
within 14 days
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 3 days
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£4.19
within 3 days
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
within 3 days
* New in 2015If you are looking for a statement plant then try this big robust silver beauty! Easy to care for, the heavily silver-veined leaves will make a dramatic impact in borders and containers. Sprays of sky-blue flowers atop wirey stems will appear from spring. More Info
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
2 Options From£9.99
within 3 days
Corydalis flexuosa 'Porcelain Blue'
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
A graceful deciduous grass, Pennisetum alopecuroides forms large clumps of slender arching leaves. From midsummer a profusion of bristly bottle-brush flowers emerge, creating a soft misty effect. Chinese Fountain Grass is a low-maintenance perennial that looks wonderful… More Info
- Sun shade: Full sun
- Grows in: Borders
- Flower Colour: Green
- Longevity: Perennial
6 Options From£9.49
within 3 days
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 3 days
Delphinium x cultorum 'Centurion Lilac Blue Bicolour' F1 Hybrid
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 3 days
Hollyhock 'Chater's Double Apricot'
This magnificent strain, with fully double flowers of rich apricot on tall imposing spikes of blooms, gives an air of stately splendour. One of the finest background plants for the border and is equally effective when grown in small groups. Usually flowers in its second… More Info
- Sun shade: Full sun
- Grows in: Borders
- Flower Colour: Apricot
- Longevity: Perennial
Just£1.59
within 3 days
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
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£3.29
within 3 days
Geranium sanguineum 'Pink Pouffe'
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£17.99
by the end of june 2021
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£1.79
within 3 days
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£3.29
within 3 days
Polemonium boreale 'Heavenly Habit'
Attractive clusters of violet-blue flowers, each with a distinct golden yellow eye, look divine against the bushy, deep green foliage. Their dwarf habit makes them idea! in the front of borders, or even containers. If deadheads are removed regularly, plants will… More Info
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£1.79
within 3 days
The pretty British Harebell otherwise known as the bluebell of Scotland, produces thin wiry stems of nodding pale blue flowers. An easy, charming plant for rockery, border etc More Info
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£2.99
within 3 days
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
within 3 days
Cornus canadensis creates a weed-beating blanket, an ideal ground cover plant for problem areas, such as beneath trees and shrubs. It bears eye-catching white flowers from late spring, followed by colourful, bright red berries. These herbaceous plants form a dense mat… More Info
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Green
- Longevity: Perennial
4 Options From£11.99
by the end of october 2020
Not just an outstanding ornamental or accent plant, variegated cat grass provides vitamins and fibre for your cat's diet and keeps them from chewing on your prized houseplants. Very quick growing and will be 15cm (6in) within six weeks for cats to enjoy. Later in season… More Info
- Sun shade: Full sun
- Grows in: Borders
- Flower Colour: Green
- Longevity: Perennial
Just£2.39
within 3 days
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£2.39
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
within 3 days
Catananche caerulea 'Amor Blue'
This fabulous summer perennial provides a stunning blue accent to planting schemes, flowering on tall, upright stems throughout the summer months. Later, attractive seedheads form, prolonging the season of interest right into autumn. More Info
- Sun shade: full sun
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£0.99
within 3 days
Best known around the world for being the main ingredient of beer and ale-making, hops can also be grown as ornamental decoration in gardens. The bright green leaves densely cover the twining stems as the scramble over walls and fences to provide excellent cover. More Info
- Sun shade: sun or semi shade
- Grows in: Borders
- Flower Colour: Green
- Longevity: Perennial
2 Options From£11.99
by the end of may 2021
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
within 3 days
Primula capitata 'Noverna Deep Blue'
First year flowering. Attractive deep blue flower heads, held aloft by intriguing powdery white stems, above contrasting grey-green foliage. Adds an eye-catching display to borders and containers from summer into autumn. Height: 25-30cm (10-12in) More Info
- Sun shade: Sun or semi shade
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£3.99
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£4.79
within 3 days
Aquilegia x hybrida 'Green Apples'
The first green flowered Aquilegia with this spectacular Clematis-like flower formation. The buds open in a delightful lime-green shade, fading to a sumptuous apple-green before ageing to a gentle cream. Makes an interesting feature for borders More Info
- Sun shade: Full sun
- Grows in: Borders
- Flower Colour: Green
- Longevity: Perennial
Just£3.69
within 3 days
Linum narbonense 'Heavenly Blue'
One of the finest blue flowered plants. A profusion of luminous ultra-marine blue flowers More Info
- Sun shade: Full sun
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£3.99
within 3 days
Dianthus amurensis 'Siberian Blues' - Kew Collection Seeds
Compact, bushy mounds of bluish evergreen foliage erupt into a sea of mauve-blue flowers in late spring and are the closest yet to a true blue Dianthus. Ideal planted in borders, rockeries and containers, flowering over a long period each summer for many, many years. More Info
- Sun shade: Full sun
- Grows in: Borders
- Flower Colour: Blue
- Longevity: Perennial
Just£2.99
within 3 days
Pennisetum 'Hameln Gold? is a fantastic structural perennial plant for any garden; the long linear leaves have a yellow-gold colour and look spectacular as they shoot skyward and the arch over to form an impressive clump. More Info
- Sun shade: full sun
- Grows in: Borders
- Flower Colour: Green
- Longevity: Perennial
Just£8.49
within 3 days
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£9.49
by the end of september 2020
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
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
6 Options From£6.99
by the end of july 2021
Agapanthus africanus 'Twister'
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
2 Options From£9.49
by the end of september 2020
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
by the end of september 2020
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