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 18 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).

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    • 1 packet (75 catananche 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

Foxglove 'Milk Chocolate'

Digitalis parviflora, Digitalis kishinskyi

A delightful species originating from Spain and Portugal. Produces elegant flower spikes covered in small chocolate trumpets circling each stem and attracting beneficial insects. More info
    • 1 packet (100 foxglove seeds)

    • Despatch: Within 1 days
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    • £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).

More info
    • 1 packet (80 helenium seeds)

    • Despatch: Within 1 days
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    • £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

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
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    • £0.99

Pyrethrum 'T&M Single Mixed'

Tanacetum coccineum, Painted Daisy, Chrysanthemum coccineum

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. Flowers late spring-early summer. Height: 30-36in.

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    • 1 packet (125 pyrethrum seeds)

    • Despatch: Within 1 days
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    • £2.19 £0.99

Nepeta cataria

Catmint, Catnip

No cat should be deprived of this! Their reaction to the aromatic silver grey foliage is fascinating. Flower spikes of violet spotted white.

Culinary note: The strong, minty/spicy flavoured flowers can be used sparingly in pasta or rice dishes. For more details about edible flowers click here.

More info
    • 1 packet (225 nepeta seeds)

    • Despatch: Within 1 days
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    • £2.99

Wildflower Mixture

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 they will attract. Some plants will flower in the first summer, the rest in spring, summer or autumn the next year. Height: 20-150cm (8in-5ft). Contents include: Birds-Foot Trefoil, Red and White Campion, Dames Violet, Evening Primrose, Musk Mallow, Marjoram, Yellow Melilot, Ragged Robin, Yellow Rocket, Small Scabious, Vervain, Vipers Bugloss and many other. Please Note: Even though wild flowers they should not be scattered in the wild without the authorisation of your local Nature Conservation Trust.

More info
    • 1 packet (1 gram of wildflower seed)

    • Despatch: Within 1 days
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    • £2.99