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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.

£20 - £50, Under £20, Green, Blue, Apricot, Borders, Perennial

5430 products, 777 articles, 855 blogs

Nepeta 'Six Hills Giant'

1 Review

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 14 days

Out of Stock

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

Out of Stock

Phlox 'Pharaoh 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

Out of Stock

Delphinium elatum 'Paramo Azul'

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

3 Options From£9.99

by the end of august 2020

Out of Stock

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

Out of Stock

Festuca 'Intense Blue'

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

2 Options From£8.99

within 14 days

Out of Stock

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

2 Options From£8.99

by the end of august 2020

Out of Stock

Dahlia 'Cornel Brons'

0 Reviews

Ball Dahlias are always admired for their rounded, architectural flower shape. This variety is sculpted to precision with rolled petals in rich shades of coppery apricot.  More Info

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

3 Options From£4.99

by the end of january 2021

Out of Stock

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

Out of Stock

Humulus lupulus

1 Review

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

Out of Stock

Geranium pratense 'Cloud Nine'

19 Reviews

Touted as the best double-flowered cranesbill geranium ever seen, and having its debut at RHS Chelsea Flower Show this year, 'Cloud Nine' really is a spectacular specimen. Smothered in wonderful lilac blue, double flowers twice in the season - once at the beginning of…  More Info

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

3 Options From£10.99

by the end of august 2020

Out of Stock

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

Out of Stock

Eryngium planum 'Blue Hobbit' (Garden Ready)

26 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

Just£12.99

by the end of september 2020

Out of Stock

Eryngium alpinum

1 Review

This stylish perennial, produces upright, blue stems, topped with dramatic thistle-like blooms. The flower heads are cone shaped, surrounded by a lacy collar of spiky bracts, making a superb architectural focal point in borders.  More Info

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

Just£6.99

by the end of november 2020

Out of Stock

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£14.49

within 14 days

Out of Stock

Hardy Geranium Duo (Cloud Nine + Rozanne)

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

2 Options From£14.99

by the end of august 2020

Out of Stock

Campanula persicifolia 'Caerulea'

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

2 Options From£10.99

Out of Stock

Delphinium 'Dark Blue & White Bee'

0 Reviews

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£8.99

by the end of august 2020

Out of Stock

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

Out of Stock

Agapanthus 'Brilliant Blue'

3 Reviews

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

Out of Stock

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

by the end of august 2020

Out of Stock

Salvia microphylla 'Blue Monrovia'

0 Reviews

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£23.99

within 14 days

Out of Stock

Veronica spicata 'Glory'

1 Review

Small in stature but big in impact! Veronica spicata 'Glory' produces lots of large purple-blue, upright flower spikes above neat clumps of foliage. Flowering in abundance from June to August, this herbaceous perennial is ideal for adding summer colour to the front of…  More Info

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

Just£19.99

Out of Stock

Geum 'Mai Tai'

0 Reviews

This is a plant you don't often see in garden centres, which is a shame as they're absolutely bullet-proof and probably one of the toughest border plants you can find. Long-flowering and happy in most sites and situations, they're every gardener's dream.  More Info

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

Just£10.99

by the end of november 2020

Out of Stock

Festuca glauca 'Elijah Blue'

1 Review

An easy to grow evergreen plant for patio pots, borders and rockeries. Festuca glauca has grassy leaves, which are an unusual shade of cobalt blue. An excellent plant for designing in the garden, thanks to the architectural appearance.  More Info

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

2 Options From£17.99

by the end of august 2020

Out of Stock

Salvia Salgoon 'Lake McKenzie'

0 Reviews

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

Out of Stock

Cornus canadensis

3 Reviews

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

Out of Stock

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

Out of Stock

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

by the end of august 2020

Out of Stock

Euphorbia 'Rudolph'

0 Reviews

A dwarf evergreen shrub, this Euphorbia x martini cultivar, or 'Martin's spurge' is perfect for small city gardens, in either borders or planters. Its unusual foliage offers all year round greenery, and is extremely low maintenance. Euphorbia 'Rudolph' takes it name…  More Info

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

Just£21.99

by the end of august 2020

Out of Stock

Geranium pratense 'Azure Skies'

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

2 Options From£11.99

within 14 days

Out of Stock

Rudbeckia occidentalis 'Green Wizard'

0 Reviews

The unusual and rather unique looking Rudbeckia occidentalis 'Green Wizard' will provide a very different type of hardy perennial for your garden. It is like no other Rudbeckia around as it has no obvious flower-petals to speak of, but has bright green sepals which…  More Info

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

3 Options From£9.99

within 14 days

Out of Stock

Viola sororia 'Freckles'

0 Reviews

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£11.99

within 14 days

Out of Stock

Agapanthus 'Blue Ribbon'

7 Reviews

The starry, rich blue flowers of Agapanthus ?Blue Ribbon? form rounded flower heads in late summer. Each petal is marked with a violet-blue stripe that adds depth and interest to the display.  More Info

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

Just£11.99

Out of Stock

Pulsatilla vulgaris

1 Review

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£10.99

within 14 days

Out of Stock

Clematis 'Guiding Promise'™ evipo053

0 Reviews

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£29.99

by the end of august 2020

Out of Stock
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