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: By end of May 2016
    •  
    • £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: By end of May 2016
    •  
    • £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: By end of May 2016
    •  
    • £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: By end of May 2016
    •  
    • £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: By end of May 2016
    •  
    • £0.99

Aster 'Composition'

Aster novi-belgii, Aster novae-angliae, Michaelmas Daisy, New England Aster

 Customer Rating
Michaelmas Daisies - Bright colours of Aster novi-belgi and novae-angliae composed for a contrasting rich colour range of long stemmed autumnal flowers for cutting.
More info
    • 1 packet (60 aster seeds)

    • Despatch: By end of May 2016
    •  
    • £2.99

Centaurea dealbata

Cornflower, Bachelor's Buttons

An attractive clump forming lavender pink cornflower, with the unusual characteristic of being perennial and flowering In the first year. Easy to grow. adding height and interest to borders, as well as making a superb border cut flower. Height: 80-90cm (32-36in). First Year Flowering Perennial, flowering in June/July.
More info
    • 1 packet (80 centaurea seeds)

    • Despatch: By end of May 2016
    •  
    • £1.99

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.
More info
    • 1 packet (200 aquilegia seeds)

    • Despatch: By end of May 2016
    •  
    • £2.29

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: By end of May 2016
    •  
    • £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: By end of May 2016
    •  
    • £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).

More info
    • 1 packet (600 verbascum seeds)

    • Despatch: By end of May 2016
    •  
    • £0.99