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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.

'Perennial Flower Seeds'

261 products, 2 articles, 36 blogs

Salvia farinacea 'Seascape Mixed'

3 Reviews

A relaxing blend of three varieties of salvia with stunning flower spires in shades of blue with silver. These compact, branching and early flowering salvias will add a wonderful new dimension to bedding displays as they sway in the slightest breeze…  More Info

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

Just£1.99

Silene laciniata 'Jack Flash'

5 Reviews

Wow! What a stunning perennial! Easy to grow and sure to catch some admiring glances. Attractive bright red, starburst blooms borne on slender stems. Goes on flowering over a very long period.  More Info

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

Just£2.99

Verbascum x hybrida 'Snow Maiden'

18 Reviews

A first class garden plant! Well branched, erect spikes covered in large 4cm (1 1/2in) pure white flowers, over a long period. An incredibly beautiful plant for the back of borders, seldom requiring support  More Info

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

Just£1.00

Malva moschata 'Snow White'

11 Reviews

Dwarf, compact plants, covered by masses of glistening snow white flowers. Excellent garden performance, flowering over a long period all summer. Ideal for borders or containers. Flowers in first year. Height: 30-38cm (12-15in)  More Info

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

Just£1.49

Penstemon 'Miniature Bells'

5 Reviews

Stunning, miniature bells in pink, purple and rose shades, complemented by dwarf attractive blue- green foliage. Flowering over a long period in borders or containers  More Info

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

Just£1.49

Geranium pratense 'Purple Haze'

10 Reviews

One of the hardy Geranium discoveries of the century! 'Purple Hazeis a stunning plant, producing amazing foliage with a unique bronze-purple hue, a shade rarely seen in hardy Geranium foliage. The leaves are deepest in shade during spring, gradually changing to an…  More Info

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

Just£1.00

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£1.49

Saponaria ocymoides

6 Reviews

Spreading rockery, or paving plant, myriads of 0.5in pink flowers  More Info

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

Just£1.49

Dahlia coccinea 'Species Mixed'

3 Reviews

A vibrant mixture of delicate single flowers in several colours with many bicolour shades, Tall and free flowering, makes it ideal for adding height to bedding displays or filling gaps in perennial borders. Height 5 feet. Planting distance 27 inches…  More Info

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

Just£1.49

Delphinium hybridum 'Pacific Giants Mixed'

8 Reviews

A justifiably famous and reliable strain that will flower in the summer from an early sowing producing strong spikes of mainly semi-double blooms in a wide colour range on sturdy stems. Flowers early summer. Height 4-5 feet  More Info

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

Just£2.99

Verbascum chaixii 'Album'

3 Reviews

A stately perennial for the back of the border with slender spires of white flowers with mauve eye. The leaves covered with white woolly hairs add to the overall charm and make this a fine subject for blending with plants of harsher colours. Useful for   More Info

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

Just£1.49

Berkheya purpurea

2 Reviews

Large, mauve to white flowers above very prickly, dark green foliage with attractive looking cobwebs draped over the leaves adding to its character. Makes an excellent architectural border plant. Height: 45-60cm (18-24in)  More Info

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

Just£1.00

Heteropappus meyendorfii 'Blue Knoll'

8 Reviews

Seed of this amazing new garden plant can be sown early in the year* and by the same autumn will be completely smothered in hundreds and thousands of shiny, light reflecting flowers, forming perfect mounds (or knolls) 30cm (12in) high and 45cm (18in)…  More Info

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

Just£1.49

Calceolaria 'Sunset Mixed'

7 Reviews

Usually grown in the greenhouse or on a bright sunny windowsill. Three stunning colours including copper-orange and red, rich-red, yellow and scarlet. Bushy habit with lots of short stemmed flowers over a long period. Early sowing recommendedHeight: 15-20cm (6…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Beds
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£1.49

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…  More Info

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

Just£2.99

Malva sylvestris var. mauritiana 'Zebrina'

5 Reviews

An easily raised perennial thriving in sun or part shade and producing strong, erect stems crammed with white to pink flowers with purple, almost black 'flamedmarkings. Easy, thriving in most soils. A magnificent display. Flowers all summer.   More Info

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

Just£2.49

Everlasting Sweet Pea

17 Reviews

Conspicuous carmine, rose or white blooms. Covers fence, wall etc  More Info

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

Just£2.99

Wildflower Mixture

9 Reviews

An easy to grow mixture providing an abundance of attractive wild flowers to add colour, grace and interest to the garden. Suitable for the flower border or wild area they are also valuable for the butterflies, bees, seed eating birds and insects…  More Info

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

Just£2.99

Physostegia virginiana 'Summer Snow'

3 Reviews

Prolific dazzling tubular flower spikes. Cutting and border  More Info

  • Sun shade: Full sun


  • Longevity: Perennial

Just£2.99

Stipa tenuissima 'Angel Hair'

13 Reviews

A very attractive Mexican grass for the border producing soft, wispy pony-tails. Quick to produce dense clumped plants. Height: 60-90cm (24-36in)  More Info



  • Longevity: Perennial

Just£1.49

Cat Grass 'Tabby Cat'

5 Reviews

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£1.99

Francoa sonchifolia 'Pink Giant'

7 Reviews

Reliable garden perennial with deeply lobed green leaves and spikes of large pink bicoloured petals on long flower spikes. Just as lovely in a border as in a vase  More Info

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

Just£3.49

Senecio cineraria 'Silver Dust'

4 Reviews

A half hardy perennial best treated as a half hardy annual, this is a showy bedding plant producing a 20-25cm (8-10in) mound of finely divided silvery white foliage. Use it as an edging to the border, as feature plants or in pots  More Info

  • Sun shade: Full sun
  • Grows in: Borders

  • Longevity: Annual

Just£2.29

Dianthus plumarius 'Sweetness Mixed'

1 Review

A true breakthrough! First year flowering from July to September from an early (February) sowing, producing heavily scented pinks. Dwarf, bushy, spreading plants; ideal for cottage or perennial borders. Easy to maintain - simply trim spent blooms with…  More Info

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

Just£2.69

Delphinium x cultorum 'Tall Black Knight'

8 Reviews

Tall, robust, candle-like flower spikes packing with attractive, deep blue blooms, each complemented by a striking large black bee in the centre. A stunning addition to any border. Height: 120-150cm (4-5ft)  More Info

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

Just£2.99

Delphinium hybridum 'Magic Fountains Mixed'

3 Reviews

This excellent mixture of quality delphiniums comes as a formula blend of no less than seven colours. Their dwarf habit eradicates the concern for flower damage caused by windy and wet conditions.  More Info

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

Just£2.99

Penstemon x hybrida 'Lilac Frost'

3 Reviews

Probably the most winter-hardy, resilient Penstemon we have ever found! Bushy mounds of deep green foliage are enhanced by unusual frosty white, bicoloured blooms. Flowers throughout the summer in borders or large containers  More Info

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

Just£1.00

Aquilegia vulgaris 'Miss M.I. Huish'

6 Reviews

A stunning introduction that produces clusters of double spurless, dark violet clematis-like flowers, on strong sturdy stems. Looks excellent grown alongside Green Apples making an interesting partnership for your borders. Height: 60cm (24in)  More Info

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

Just£1.49

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

Oenothera 'Lemon Sunset'

3 Reviews

An exquisite Evening Primrose with beautiful 10cm (4in) soft-yellow flowers that mature by changing to an attractive sunset-red. Ideal for adding height to borders, as well as a delicate evening fragrance to your gardenHeight 90-100cm (36-40in).  More Info

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

Just£1.49

Echinacea purpurea 'Pink Parasol'

2 Reviews

Pink Parasol has stunning, large, deep purplish-pink blooms, with contrasting orange cones standing proudly above strong stems. Each bloom can reach 7-10cm (3-4in) in diameter compared to other varieties only reaching a diameter of 5-7cm (2-3in). Once established, bushy…  More Info

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

Just£2.99

Hollyhock 'Halo White'

2 Reviews

Large, bright white single flowers with an attractive bright yellow 'haloin the centre of each bloom. Hollyhock Halo White produces tall flower spikes on strong bushy plants with plenty of eye-catching flowers on each spike to add dramatic height to…  More Info

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

Just£1.49

Agastache rugosa 'Golden Jubilee'

3 Reviews

Attractive, golden-green foliage with a distinct aniseed fragrance, making a vibrant contrast to the compact lavender-blue flower spikes. Adds interest to borders and containers, as well as attracts wildlife to your garden. Fragrant and excellent in borders or…  More Info

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

Just£1.49

Viola x williamsiana 'Sweeties'

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

Just£2.49

Dianthus plumarius 'Ipswich Pinks Mixed'

7 Reviews

Ipswich Pinks were made famous by Joseph Sangster, the breeder and proprietor of T&M from 1913-52. They create a solid mass of colour in pinks, reds, bicolours and white, above blue foliage that is close and tightly knit. Ground smothering weed suppressors, they remain…  More Info

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

Just£0.99

Tanacetum coccineum 'T&M Single Mixed'

7 Reviews

Useful and popular plants for the border, providing masses of bright single daisy flowers at a time when the last of the spring flowers have faded and before the summer types are in bloom. The long stemmed flowers make excellent cut flowers.  More Info

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

Just£0.99

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