Thompson & Morgan

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'Delphinium'

Delphinium 'Magic Fountains Mixed' (Garden Ready) - 15 delphinium garden ready plants

Delphinium 'Magic Fountains Mixed' (Garden Ready) - 15 delphinium garden ready plants

  • The fast-track to a hassle-free garden - just plant, water and enjoy!
  • Quality plants delivered to your door, hardened off and ready to plant out
  • Fully-grown, super-robust, healthy plants
You'll be able to enjoy the majestic spires of Delphinium 'Magic Fountains Mix' in no time at all with our Garden Ready plants. We despatch these packs of 15 tough super-size plants at the perfect time for planting out, usually before blooms form, which helps them establish quicker for better root growth and then a longer, stronger display of flowers.

'Magic Fountains Mix' boasts white, lilac and blue delphinium flowers in a blend of no less than seven shades! This compact dwarf variety has all the presence of its taller cousins without the need for staking and so will add colour and structure to cottage garden perennial borders, even in windy areas. Try cutting some of the imposing flower stems of this dwarf delphinium to create a striking flower arrangement in the home. Height: 90cm (36"). Spread: 45cm (18").

Price: £9.99

Delphinium 'Pacific Giants' - 6 delphinium plug plants

Delphinium 'Pacific Giants' - 6 delphinium plug plants

 Customer Rating
A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").

Price: £5.99

Perennial 'Best Value' Collection - 72 perennial plug plants - 6 of each variety

Perennial 'Best Value' Collection - 72 perennial plug plants - 6 of each variety

 Customer Rating

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").


Please note, when you receive your plants, the green plastic tray is embossed with letters underneath each row of plants - these letters correspond to the list supplied with your plants so that you can identify them.


Price: £19.99

Delphinium x cultorum 'Tall Black Knight' - 1 packet (100 delphinium seeds)

Delphinium x cultorum 'Tall Black Knight' - 1 packet (100 delphinium seeds)

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).

Price: £2.99

Delphinium 'Magic Fountains Mixed' - 1 x 1 litre potted delphinium plant

Delphinium 'Magic Fountains Mixed' - 1 x 1 litre potted delphinium plant

Majestic spires of white, lilac and blue delphinium flowers in a blend of no less than seven shades! This compact dwarf variety has all the presence of its taller cousins without the need for staking. The perfect solution for adding colour and structure to cottage garden perennial borders, even in windy areas. You can even cut some of their regal blooms for a striking flower arrangement indoors. Height: 90cm (36"). Spread: 45cm (18").

Price: £9.99 - £14.99

Delphinium 'Flamenco' - 1 delphinium jumbo plug plant

Delphinium 'Flamenco' - 1 delphinium jumbo plug plant

  • Gorgeous dusky pink blooms
  • Self supporting - no need to stake
  • Strong disease resistance
Delphinium 'Flamenco' is a huge improvement on previous double flowering varieties. Double delphiniums have been around for years, but older forms often produce weak, disease-prone plants. Modern breeding has changed all that! Delphinium 'Flamenco' has been developed with garden performance and disease resistance high on the agenda. Compact plants produce sturdy flower spikes, covered in fully double frilly rosettes. The elegant blooms are the perfect summer border filler and also perform well in container displays. The stocky stems require no staking and make a welcome addition to home grown cut flower bouquets. Height: 90cm (36"). Spread: 30cm (12in).

Price: £9.99 - £14.99

Delphinium 'Blue Bird' (Pacific Hybrid) - 1 x 1 litre potted delphinium plant

Delphinium 'Blue Bird' (Pacific Hybrid) - 1 x 1 litre potted delphinium plant

Like most of the Pacific hybrid delphiniums, this variety has superb garden presence. Tall spires of clear blue flowers, each with a contrasting white centre, literally tower above clumps of deeply cut foliage. Flowering in June and July, Delphinium 'Blue Bird' makes an impressive feature, adding height and stature to the back of sunny perennial borders. Height: 150cm (5'). Spread: 75cm (30").

Price: £9.99 - £22.99

Delphinium 'Magic Fountains Mixed' - 5 delphinium Postiplug plants

Delphinium 'Magic Fountains Mixed' - 5 delphinium Postiplug plants

Majestic spires of white, lilac and blue delphinium flowers in a blend of no less than seven shades! This compact dwarf variety has all the presence of its taller cousins without the need for staking. The perfect solution for adding colour and structure to cottage garden perennial borders, even in windy areas. You can even cut some of their regal blooms for a striking flower arrangement indoors. Height: 90cm (36"). Spread: 45cm (18").

Price: £9.99 - £14.99

Delphinium 'Black Knight' - 1 x 1 litre potted delphinium plant

Delphinium 'Black Knight' - 1 x 1 litre potted delphinium plant

An absolute cottage garden classic. Plant Delphiniums in bold clumps for back-of-the-border impact. Delphinium 'Black Knight' is an extra special variety with some of the deepest indigo-blue flowers, each with a black eye.

The sight of Delphiniums in a garden is simply divine. They flower from early summer, and will often flower twice. The plants are architectural and handsome, you certainly won't regret planting these handsome perennials! Height: 1.7m (5.5'). Spread: 75cm (29").

Price: £11.99 - £22.99

Delphinium hybridum 'Magic Fountains Mixed' - 1 packet (40 delphinium seeds)

Delphinium hybridum 'Magic Fountains Mixed' - 1 packet (40 delphinium seeds)

This excellent mixture of quality Delphiniums comes as a formula blend of no less than seven colours. Some pure colours; some with white bees. Their dwarf habit eradicates the concern for flower damage caused by windy and wet conditions. They look great at the front of the perennial border, cottage garden or even in containers. Flowers summer. Height 90cm (36in).

Price: £2.99

Delphinium grandiflorum 'Summer Nights' - 1 packet (20 delphinium seeds)

Delphinium grandiflorum 'Summer Nights' - 1 packet (20 delphinium seeds)

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.

Price: £1.99

Delphinium hybridum 'Pacific Giants Mixed' - 1 packet (110 delphinium seeds)

Delphinium hybridum 'Pacific Giants Mixed' - 1 packet (110 delphinium seeds)

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.

Price: £2.99

Best Selling Perennial Collection - 36 plug plants - 6 of each variety

Best Selling Perennial Collection - 36 plug plants - 6 of each variety

Fill your beds and borders with our best selling perennial collection. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Verbena Bonariensis - Tightly clustered florets form glowing lavender flower heads that float atop stiffly upright, branching stems.

Price: £35.94 - £71.88

Delphinium x cultorum 'Centurion Lilac Blue Bicolour' F1 Hybrid - 1 packet (12 delphinium seeds)

Delphinium x cultorum 'Centurion Lilac Blue Bicolour' F1 Hybrid - 1 packet (12 delphinium seeds)

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 blue shades with a white central 'bee'. (Flowers from July to September in its first year if sown before the end of February).

Price: £2.99

Larkspur 'Fancy Purple Picotee' - 1 packet (150 larkspur seeds)

Larkspur 'Fancy Purple Picotee' - 1 packet (150 larkspur seeds)

Elegant spires of pretty white blooms with a delightful lilac-blue picotee are carried on strong, sturdy stems above attractive feathery green foliage. Flowering all summer long, Larkspur 'Fancy Purple Picotee' looks fabulous at the back of borders and makes a majestic cut flower for a vase indoors. Easy to grow, this hardy annual can be direct sown for months of colour in summer beds and borders and is superb for lending a cottage-garden feel. Height: 120cm (47"). Spread: 40cm (16").

Price: £2.29

Larkspur 'Sublime Mixed' - 1 packet (250 larkspur seeds)

Larkspur 'Sublime Mixed' - 1 packet (250 larkspur seeds)

Reselected from Imperial Strain. Fully double blooms on strong erect stems. Good cut flower, excellent for drying. Height: 90-120cm (3-4ft).

Price: £2.69

Larkspur 'T&M Improved' - 1 packet (400 seeds)

Larkspur 'T&M Improved' - 1 packet (400 seeds)

The finest of strains of this lovely flower with a wider colour range than other varieties and a more base branching habit. Beautiful plants for the border providing a good display of colour throughout the summer. Rich feathery green foliage and flowers which are excellent for cutting. Flowers summer. Height 60-75cm (24-30in).

Price: £2.29

Larkspur 'Gentian Blue' - 1 packet (100 larkspur seeds)

Larkspur 'Gentian Blue' - 1 packet (100 larkspur seeds)

A clear, fresh Gentian blue which is perfect for bedding, borders and containers. This impressive annual Delphinium, also known as Siberian Larkspur, boasts a stunning colour which is breathtaking and essential for any garden.

Price: £0.99

Larkspur 'Cloudy Skies Mixed' - 1 packet (400 larkspur seeds)

Larkspur 'Cloudy Skies Mixed' - 1 packet (400 larkspur seeds)

These are some cloudy skies that won't ruin your day! Airy plants, covered in orchid-like blooms in glistening white, soft blue and unique bicolour tones. Perfect for filling your beds and borders with quick and easy summer colour.Prefers a light, well-drained soil in full sun.

Price: £1.99

Larkspur 'The Seven Dwarfs' - 1 packet (150 larkspur seeds)

Larkspur 'The Seven Dwarfs' - 1 packet (150 larkspur seeds)

T&M are delighted to introduce this exclusive blend of dwarf Larkspurs. Each dwarf, 20-25cm (8-10 inch), flower spike is densely packed with attractive stock-like dwarf blooms in seven colours of pink, mauve, rose, purple, grey, white and shades of blue. Ideal for adding a little character to your borders and containers. The Seven Dwarfs will work happily in the garden planted in drifts alongside Malva moschata Snow White.

Price: £2.29

Delphinium 'Cameliard' (Pacific Hybrid) - 1 x 1 litre potted delphinium plant

Delphinium 'Cameliard' (Pacific Hybrid) - 1 x 1 litre potted delphinium plant

The pale lavender blue flower spikes of Delphinium 'Cameliard' are quite breath-taking. The tall spires of bloom tower above clumps of deeply cut foliage. The frilly, semi double flowers are superb for adding to summer bouquets, but spare a few for the pollinating insects in your garden, who will appreciate this rich source of nectar. Like all of the Pacific Hybrids, this variety is impressive, and makes an unmissable feature at the back of herbaceous borders in early summer. Height: 150cm (5'). Spread: 75cm (30").

Price: £9.99 - £14.99

Wildflowers 'Woodland Shade Mix' - 1 packet (15 grams of wildflower seed)

Wildflowers 'Woodland Shade Mix' - 1 packet (15 grams of wildflower seed)

Nature in a box - fill your garden with thousands of flowers with our Woodland Shade Mix'. Easy to grow mixes of glorious wild flowers to enhance your garden and attact beneficial bees and insects. Height: up to 60cm (24"). Spread: 20cm (8").


This mix comprises of: Achillea millefolium, Aquilegia vulgaris, Borago officinalis, Campanula Medium, Centaurea Montana, Cheiranthus maritimus, Delphinium consolida, Digitalis purpurea, Geum chiloense, Hesperis matronalis, Hypericum perforatum, Impatiens balsamina, Lathyrus odoratus, Linaria maroccana, Lobularia maritime, Lupinus polyphyllus, Malvus moschata, Malva sylvestris, Myosotis sylvatica, Nemophila insignis, Papaver rhoeas.


Net weight of box: 200g, including 15g seeds and 185g of vermiculite as a 'carrier' to help ensure the seed is distributed evenly when sowing

Price: £5.99

Delphinium 'Summer Skies' (Pacific Hybrid) - 1 x 1 litre potted delphinium plant

Delphinium 'Summer Skies' (Pacific Hybrid) - 1 x 1 litre potted delphinium plant

Another of the Pacific Hybrids and this one is no less beautiful! Astonishing, tall spikes of pale blue flowers create plenty of vertical interest in herbaceous borders from June to July. Delphinium 'Summer Skies' is prized by flower arrangers for its unusual coloured blooms, and is equally loved by pollinating insects as a rich source of nectar. Height: 150cm (5'). Spread: 75cm (30").

Price: £9.99 - £22.99

Perennial Pack A 'T&M's Choice' - 36 perennial plug plants - 6 of each variety

Perennial Pack A 'T&M's Choice' - 36 perennial plug plants - 6 of each variety

Fill your beds and borders with this bargain collection of herbaceous perennials. Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements. Height: Up to 1m (39"). Spread: 45cm (18").

  • Collection includes;

  • Aquilegia 'Swan' Mixed - An abundance of large flowers on upright, multi-branched stems Height: 30cm (12"). Spread: 25cm (10").
  • Geum 'Blazing Sunset' - Fully double, large scarlet blooms are borne over a long period in summer. Height and spread: 60cm (24").
  • Carnation 'Ever-blooming Mixed' (Hardy) - Richly fragrant blooms that are ideal for cutting. Height and spread: 30cm (12").
  • Lavender 'Hidcote' - This classic English lavender plant has an attractive grey-green fragrant foliage and will display stunning violet-blue compact spikes.
  • Delphinium 'Pacific Giants' - Excellent for adding structure and presence to the back of borders. Height: 150cm (60"). Spread: 75cm (30").
  • Erigeron 'Stallone'- This cheery clump forming perennial enjoys light sandy soils, making it ideal for coastal gardens.

Price: £14.99

Delphinium 'New Millennium Dwarf Mixed' - 5 delphinium postiplug plants

Delphinium 'New Millennium Dwarf Mixed' - 5 delphinium postiplug plants

We source our delphinium stocks from the best breeder in the world to guarantee top performance from our plants in your garden. The towering flower spires that make delphiniums a must-have garden perennial, can require sturdy staking to prevent them flopping under wind and rain. We're looking to change that with Delphinium 'New Millennium Juniors Mixed'. The sturdy upright stems don't need any staking or support, but give the same cottage garden feel as traditional varieties. From the world famous breeding of Terry Dowdeswell in New Zealand, these shorter, sturdier plants have been bred to perfection, with clear colours, evenly spaced florets, long flowering and high disease resistance. Height: 75cm (30"). Spread: 60cm (24").

Price: £12.99 - £16.99

Delphinium 'Rising Stars Mixed' - 4 delphinium Postiplug plants

Delphinium 'Rising Stars Mixed' - 4 delphinium Postiplug plants

  • Best in class for delphiniums
We've given our customers the chance to get their hands on some very new, very different delphiniums from the world-famous 'New Zealand Hybrids' programme. There are far too many hybrids produced for our supplier to sell, so we've grouped our favourites into an exclusive 'Breeders Mixture', aptly named 'Rising Stars'! This exciting mix of delphinium flowers blends picotees, pastels, singles, doubles and frosted hybrids for a spectacular, towering display. You can even cut some blooms for a striking flower arrangement indoors. Height: 120cm (47"). Spread: 75cm (30").

Price: £11.99 - £17.99

Delphinium 'Cobalt Dreams' - 10 delphinium Postiplug plants

Delphinium 'Cobalt Dreams' - 10 delphinium Postiplug plants

When it comes to delphiniums we know there is only one man to talk to about finding the next best thing - New Zealand breeder Terry Dowdeswell. He's outdone himself with Delphinium 'Cobalt Dreams'. This special selection produces the most perfect blue blooms you'll ever see, and are given an extra boost by the fluffy 'white bees' in the centre of each flower! Even more impressive, there's no need to stake these strong delphinium plants, making them the ideal border flower for exposed gardens. Disease resistance, long flowering and repeat blooming were high on the agenda when developing this stunning delphinium, guaranteeing excellent garden performance and vibrant colour right through summer. Height: 150cm (60"). Spread: 90cm (36").

Price: £12.99 - £16.99

Delphinium 'Pink Blushes' - 10 delphinium Postiplug plants

Delphinium 'Pink Blushes' - 10 delphinium Postiplug plants

This Pink Blush is anything but embarrassing! Glorious, tall spikes of evenly spaced, perfectly formed florets in shades of pink, from pastel to magenta! The result of many years of breeding from Terry Dowdeswell, our world-class Delphinium expert in New Zealand, Delphinium 'Pink Blushes' are strong plants with disease resistance and unrivalled garden performance. Height: 1.5m (5'). Spread: 75cm (30").

Price: £12.99 - £16.99

Delphinium 'Pacific Giants Mixed' - 1 x 1 litre potted delphinium plant

Delphinium 'Pacific Giants Mixed' - 1 x 1 litre potted delphinium plant

A distinguished delphinium producing strong spikes of semi-double blooms in a dreamy blend of pink, lilac, purple, violet-blue, sky-blue and white. Delphinium 'Pacific Giants' are excellent for cutting and add structure and presence to the back of cottage garden perennial borders. Height: 150cm (60"). Spread: 75cm (30").

Price: £9.99 - £14.99

Tall Perennial Mix - 5 varieties - 1 packet of each (345 perennial seeds in total)

Tall Perennial Mix - 5 varieties - 1 packet of each (345 perennial seeds in total)

A well planned perennial border is a magnificent sight in summer! Flowering year after year, getting bigger each season, hardy perennials represent superb value for money - even more so when you buy perennials from seed. To help you make the most of your borders, we have grouped together varieties by height to help you achieve a balanced display. Height: Up to 120cm (47"). Spread: Up to 60cm (24").

Collection comprises:

  • Tall Perennials
  • Lupin 'Tutti Frutti' (40 seeds) - A mouthwatering range of attractive bicoloured flower spikes.
  • Aquilegia 'McKana Giants' (200 seeds) - Free-flowering, long spurred Columbines.
  • Echinacea 'Pink Parasol' (35 seeds) - Deep purplish-pink blooms, with contrasting orange cones.
  • Eryngium 'Miss Wilmott's Ghost' (30 seeds) - Steel-blue cones surrounded by a collar of prickly, silver leaves.
  • Delphinium 'Magic Fountains' (40 seeds) - The majesty of Delphinium blooms with a neat, dwarf habit.

Price: £8.99