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 17 products.
 

Poppy 'Checkers'

Papaver orientale, Oriental Poppy

First year flowering from an early sowing. Poppy Checkers is easy to raise and very rewarding with pure white silky flowers are flanked within by the deepest black cross. Use as a novel cut flower, as well as for the traditional dried seed heads. Height: 60-90cm (2-3ft).
More info
    • 1 packet (50 poppy seeds)

    • Despatch: Within 1 days
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    • £0.99

Catananche caerulea 'Bicolor'

Blue Cupidone, Cupid's Dart

 Customer Rating

This first-year flowering hardy perennial is the rarer white form of the blue Cupid's Dart. White semi-double star-like flowers, occasionally flecked with blue, 5cm (2in), stand upon long wiry stems held well above the neat grey green foliage. Together with the silvery buds, this plant makes an eye-catching cut flower, or border plant. Height: 60-90cm (24-36in).

More info
    • 1 packet (75 catananche seeds)

    • Despatch: Within 1 days
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    • £0.99

Aquilegia x hybrida 'Crown Jewels Mixed'

Columbine, Granny's Bonnet

The modern art of breeding, with some help from Mother Nature, has created this stunning new blend. A mixture of single, double, pompom, clematis flowered, long spurred and bicolour blooms aloft an equally diverse mixture of green, gold, bronze and silver edged foliage types. Plants may even throw up more new exciting types as they further hybridise!
More info
    • 1 packet (20 aquilegia seeds)

    • Despatch: Within 1 days
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    • £0.99

Canna indica 'T&M Hybrids'

Indian Shot Plant

 Customer Rating
Shades of yellow, red and cream with pretty bronze or green foliage. Sow early.
More info
    • 1 packet (15 canna indica seeds)

    • Despatch: Within 1 days
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    • £0.99

Salvia sclarea var. turkestanica

Biennial Clary

Scores of tall stems bearing many pink to white bracts and soft blue and white tiny flowers. Remaining spectacular, even in early autumn.

Culinary note: A very aromatic flavour that is ideal for adding to salads for a cheerful coloured contrast. For more details about edible flowers click here.

More info
    • 1 packet (50 salvia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Verbascum phoeniceum (Hybrids)

Purple Mullein, Celsia

 Customer Rating

Slender spikes of various shades. Grows freely from seed and always much admired. Height: 60-90cm (2-3ft).

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    • 1 packet (600 verbascum seeds)

    • Despatch: Within 1 days
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    • £0.99

Poppy 'Brilliant'

Papaver orientale, Oriental Poppy

The classic Orientale Poppy, with large, bright scarlet-red flowers with a jet black centre, which comes true to type from seed. A striking plant for the border.
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    • 1 packet (180 poppy seeds)

    • Despatch: Within 1 days
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    • £2.99

Helenium puberulum 'Autumn Lollipop'

Helen's Flower, Rosilla, Helenium puberleum

 Customer Rating

A curious plant for the front of the border. Autumn Lollipop boasts heads of rustic yellow and bronze with a small basal frill of ruffled petals. Highly ornate and also an extremely original cut flower. Height: 60-90cm (24-36in).

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    • 1 packet (80 helenium seeds)

    • Despatch: Within 1 days
    •  
    • £0.69

Agastache foeniculum

Anise Hyssop, Agastache anisata, Agastache anethiodora

Silvery-green foliage which is scented unmistakenly of Aniseed. Flower spikes of blue appear during summer. Bees, butterflies and goldfinches love it!

Culinary note: Add both flowers and leaves to cakes or whipping cream for a hint of anise flavour. For more details about edible flowers click here.

More info
    • 1 packet (60 agastache seeds)

    • Despatch: Within 1 days
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    • £2.69 £0.99

Aquilegia x hybrida 'McKana Giants Mixed'

Columbine, Granny's Bonnet

Attractive free-flowering, long spurred mixture in a wide range of vibrant coloured blooms on strong stems, ideal for cutting. Outstanding garden performance.
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    • 1 packet (200 aquilegia seeds)

    • Despatch: Within 1 days
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    • £2.29

Salvia sclarea var. turkestanica alba

Biennial Clary

A really choice border plant! Quickly becoming established, the many, strong erect stems are topped with plumes of white and lime-green bracts, which have a maroon underside. A superb plant to give colour balance to the garden.

Culinary note: A very aromatic flavour that is ideal for adding to salads for a cheerful coloured contrast. For more details about edible flowers click here.

More info
    • 1 packet (20 salvia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Oenothera odorata 'Apricot Delight'

Evening Primrose, Sundrops

A delectable back of border plant, at whatever stage the flower is at! Tightly scrolled buds open to 7cm (3in) in palest lemon, maturing to yellow, apricot and finally salmon-pink. The delicately scented blooms are at their best in the evening. Height: 60-100cm (24-40in)

Culinary note: Add petals to any salad to add a splash of colour with a lettuce-like flavour. For more details about edible flowers click here.

More info
    • 1 packet (50 oenothera seeds)

    • Despatch: Within 1 days
    •  
    • £0.99