Thompson & Morgan

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Perennial & Biennial Seeds


Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!



We have found 85 products.
 

Poppy 'Raspberry Brulee'

Papaver orientale, Oriental Poppy

From T&M’s own breeding comes this mouth watering perennial Oriental Poppy. Exquisite raspberry pink blooms with the delicate texture of tissue paper are decorated with dramatic dark markings at the base of each petal. Poppy ‘Raspberry Brûlée’ adds spectacular colour to early summer borders. By late summer the attractive seed heads also make an eye catching feature in wildlife gardens or cottage garden planting schemes. Height: 70cm (28"). Spread: 50cm (20").
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    • 1 packet (40 poppy seeds)

    • Despatch: Within 1 days
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    • £2.49

Cyclamen 'All-the-year-round Flowering Mixed'

A balanced mixture of hardy garden varieties thriving in shade or woodland, chosen from species flowering at most periods of the year. Height: 8-15cm (3-6in). More info
    • 1 packet (16 seeds)

    • Despatch: Within 1 days
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    • £0.99

Rudbeckia 'All Sorts Mixed'

Coneflower, Black-eyed Susan

Made up from the full range of varieties we offer. Excellent for cutting and border. Most in fact are hardy perennials in temperate climates in all but the severest winter.
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    • 1 packet (170 seeds)

    • Despatch: Within 1 days
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    • £2.99

Echinacea 'PowWow Wild Berry'

Coneflower

With outstanding garden performance and the capacity to produce more flowers per plant than any other seed-raised Coneflower, Echinacea 'PowWow Wild Berry' is a striking addition to any garden. Whether grown as a first-year flowering or as a traditional over-wintered perennial, its unique and intense deep-pink flowers with their dark rose centres will invigorate borders and pots with their vivid colour. Coneflower plants are particularly useful for exposed coastal sites and wildlife gardens. Height: 60cm (24"). Spread: 45cm (18").
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    • 1 packet (10 seeds)

    • Despatch: Within 1 days
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    • £3.99

Meconopsis grandis

Himalayan Blue Poppy

 Customer Rating

Sturdy and long-lived with huge flowers 10-12cm (4-5in) across in a wonderful blue, shot with violet on erect stems.

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    • 1 packet (30 seeds)

    • Despatch: Within 1 days
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    • £3.29

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Coneflower, Black-eyed Susan

A profusion of bright flowers up to 5in across on bushy plants.
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    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £2.99

Poppy 'Coral Reef'

Papaver orientale, Oriental Poppy

 Customer Rating

A chance discovery on T&M research grounds has led to the introduction of this spectacular NEW true orientale poppy. Large vibrant flowers, often 5in. across of an intense and vivid coral pink never seen before in true orientale poppies from seed and rarely matched in the entire flower kingdom. Unlike many orientale poppies available, because it has been bred from seed it has consistent vigour, with many flowers over a long flowering period. Also it is not prone to 'flopping over' a fault with many varieties of this type of poppy. It is a long lived perennial making large plants within 3 years. From a late Autumn sowing it will flower in its first summer, coming true from seed. In a mixed orientale poppy trial the bees had apparently been very active as a red flowered hybrid produced several plants of this vivid pink. T&M's breeders got busy and... Coral Reef was born!

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    • 1 packet (45 seeds)

    • Despatch: Within 1 days
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    • £2.99

Astrantia major-hybrida 'Ruby Cloud'

Hattie's Pincushion, Masterwort

Thin upright stems, large flowers of ruby, tinged in apple green. True from seed and wonderful in the damp border.
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    • 1 packet (22 seeds)

    • Despatch: Within 1 days
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    • £3.99

Veronica (Mixed Colours)

Speedwell

T&M have blended a mixture of species which are fantastic front of border or rockery plants. Producing many erect spikes, full of tiny flowers that create much impact in a complementary range of colours - orchid pink, royal blue, white, rose and light blue. Flower summer. Height: 30-35cm (12-14in). More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £3.69

Delphinium x cultorum 'Tall Black Knight'

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).
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    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £2.99

Hollyhock 'Halo Mixed'

Alcea rosea, Althaea rosea

 Customer Rating
Colour that's almost 2 metres high! And now Hollyhocks are even more colourful thanks to new Hollyhock 'Halo Mixed', with its glowing eyes to add contrast. These stunning cottage garden perennials make a beautiful cut flower for a vase indoors and the edible flowers can even be added to salads for an attractive, tasty treat. Recognised by the European Fleuroselect panel of experts with a novelty award too. Height: 180cm (71”). Spread: 60cm (24”).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

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    • 1 packet (25 seeds)

    • Despatch: Within 1 days
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    • £0.99

Delphinium hybridum 'Magic Fountains Mixed'

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).
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    • 1 packet (40 seeds)

    • Despatch: Within 1 days
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    • £2.99