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Keeping you updated – Thompson & Morgan is operating as usual, working 24/7 to keep the country gardening. We are working closely with nurseries and growers to ensure that millions of plants are not wasted. Our site features many of these offers and we will add more every day, passing on these amazing deals to our customers.

Vita Sementi® Italian Seeds, T&M, £50 - £100, Under £20, Hardy, Blue

6164 products, 777 articles, 855 blogs

Campanula rotundifolia

2 Reviews

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 21 working 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£14.39

within 21 working days

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£4.99

Agapanthus Duo Fireworks & Poppin Purple

0 Reviews

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

by the end of september 2020

Perovskia 'Blue Spire'

7 Reviews

Whether you are a first time gardener hoping to create a perfect cottage garden or an old hand struggling to enhance tricky costal areas, it is worth considering Perovskia 'Blue Spire'. This Russian Sage is easy to maintain, even in dry and windy areas. The hardy shrub…  More Info

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

5 Options From£10.19

by the end of july 2020

Lavender 'Dwarf Blue'

0 Reviews

The perfect choice for a smaller space, this neat and compact, bushy Lavender ?Dwarf Blue? is ideal for growing in a patio pot or narrow beds. Little in size but big in terms of interest, you can enjoy fabulous bee friendly blooms through the summer months.  More Info

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

2 Options From£10.19

by the end of september 2020

Nigella damascena 'Miss Jekyll'

2 Reviews

Beautiful and easy to grow, bearing rich blue flowers which seem to float amongst the finely cut leaves. They provide a charming show of bloom during the summer months. Very useful for bedding and cutting and the seed pods can be dried for winter decoration indoors.…  More Info

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

Just£2.69

within 21 working days

Delphinium grandiflorum 'Summer Nights'

3 Reviews

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 21 working days

Nigella 'Moody Blues' (Start-A-Garden™ Range)

2 Reviews

An exquisite, easy to grow, mixture of Love in a Mist, bringing together some spectacular double blooms in a delightful blend of blue shades followed by intriguing seed pods. A cottage garden favourite which creates a soothing drift of colour in borders and makes a…  More Info

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

Just£0.99

within 21 working days

Polemonium boreale 'Heavenly Habit'

3 Reviews

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 21 working days

Malva sylvestris 'Mystic Merlin'

13 Reviews

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 21 working days

Echium vulgare 'Blue Bedder'

3 Reviews

Glorious blue flowers buzzing with bees  More Info

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

Just£3.29

within 21 working days

Penstemon heterophyllus 'True Blue'

2 Reviews

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 21 working days

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

Linum narbonense 'Heavenly Blue'

4 Reviews

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 21 working days

Agastache foeniculum

1 Review

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 21 working days

Cornflower 'Classic Fantastic'

3 Reviews

A classic mixture of single and semi-double blooms in cool blue shades, ranging from light heavenly blue to dark blue combined with a blue and white bicolour. Creates a fantastic, long flowering display in borders, or when used as a cut flower. Easy to grow  More Info

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

Just£1.99

within 21 working days

Primula capitata 'Noverna Deep Blue'

8 Reviews

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 21 working 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£11.99

Cichorium intybus 'Electric Blue'

2 Reviews

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 21 working days

Nigella damascena 'Moody Blues'

1 Review

An exquisite mixture of Love-in-a-Mist, bringing together some spectacular double blooms in a delightful range of blue shades, which are followed by attractive seedpods. Easy-to-grow and ideal for creating a soothing drift of colour in borders as well as making a…  More Info

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

Just£2.99

within 21 working days

Phacelia viscida 'Tropical Surf'

7 Reviews

An attractive easy to grow annual with masses of scrumptious azure-blue blooms with white lacy centres, produced on low ground hugging plants. A unique colour for, adding to borders or containers  More Info

  • Sun shade: Full sun

  • Flower Colour: Blue
  • Longevity: Annual

Just£1.00

within 21 working days

Pulmonaria 'Blue Ensign'

0 Reviews

An RHS AGM winner, Pulmonaria 'Blue Ensign' has clear blue flowers formed in clusters from March to May. Unlike many Lungwort cultivars, the green leaves of Pulmonaria 'Blue Ensign' don't have the typical pale spots and are broader and more refined, creating low…  More Info

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

2 Options From£17.39

within 21 working days

Iris 'Victoria Falls' (Re-Blooming)

1 Review

Hardy, drought, disease and insect resistant iris. Spring flowering with a second flush in autumn. This majestic, tall bearded iris flowers have a delicate scent and make impressive cut flowers for a vase indoors  More Info

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

Just£8.99

by the end of august 2020

Scabious 'House's Novelty Mix'

1 Review

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 21 working days

Vinca minor 'Bowles's Variety'

0 Reviews
  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Shrub

Just£12.99

within 21 working days

Larkspur 'Fancy Purple Picotee'

0 Reviews

An easy-to-sow-and-grow annual producing eye-catching and unusual bicolour blooms on tall flower spikes. These strong and sturdy stems with their fancy purple and blue picotee flowers look fabulous in the back of summer borders and make impressive and long-lasting cut…  More Info

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

Just£2.29

within 21 working days

Catananche caerulea 'Amor Blue'

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

Just£0.99

within 21 working days

Sweet Pea 'King Size Navy Blue'

17 Reviews

A choice variety for its extraordinarily dark navy-blue flowers and superb, intense fragrance. Sweet Pea ?King Size Navy Blue? bears up to 5 large, frilled blooms on each slender stem, making this an excellent cut flower for filling small vases with just a few stems.  More Info

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

Just£2.99

within 21 working days

Hydrangea macrophylla 'Bodensee'

0 Reviews

Awarded and RHS AGM for its garden performance, this impressive Californian Lilac makes a showy display. From May to June, Ceanothus 'Blue Mound' is smothered in masses of deep blue flower heads.  More Info

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

2 Options From£35.99

within 21 working days

Sweet Pea 'Chatsworth'

7 Reviews

An aristocrat of the show bench, and a superb cut flower! Sweet Pea 'Chatsworth' produces 5 to 6 pale lavender blooms, of outstanding quality, on each tall, straight stem. Delicate frills and a wonderful fragrance make this sweet pea a beautiful choice for exhibition,…  More Info

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

Just£1.99

within 21 working days

Corydalis flexuosa 'Purple Leaf'

0 Reviews

Corydalis flexuosa 'Purple Leaf' makes an often admired, unusual garden plant. These Corydalis may look delicate, but they're pretty tough, and enjoy our cool English summers. Flowering can often last from late spring until mid-summer, effortlessly forming clumps in…  More Info

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

2 Options From£14.39

within 21 working days

Sweet Pea 'Turquoise Lagoon'

1 Review

Changes colour before your eyes! Each attractive small pink bloom develops into a gorgeous turquoise blue, making for an eye-catching climbing feature. Bred by renowned breeder Keith Hammett, 'Blue Lagoon' isn't just about its unique, showy blooms - it has a delightful…  More Info

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

Just£2.69

within 21 working days

Platycodon grandiflorus 'Fuji Blue'

1 Review

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£8.49

by the end of november 2020

Phacelia parryii 'Royal Admiral'

0 Reviews
  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Annual

Just£1.59

within 21 working days

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

6 Options From£6.99

within 21 working days

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