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 59 products.
 

Myosotis sylvatica 'Bobo Mixed'

Forget-Me-Not

Essential spring bedding plants. Forget-me-nots are usually blue, but also found here in pink and white, and all on dwarf, compact plants! A fantastic accessory to spring beds and borders, complementing golden Daffodils and Tulips.
More info
    • 1 packet (100 myosotis seeds)

    • Despatch: Within 1 days
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    • £1.99 £0.99

Verbascum x hybrida 'Snow Maiden'

Mullein, Celsia

 Customer Rating

A first class garden plant! Well branched, erect spikes covered in large 4cm (1½in) pure white flowers, over a long period. An incredibly beautiful plant for the back of borders, seldom requiring support.

More info
    • 1 packet (100 verbascum seeds)

    • Despatch: Within 1 days
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    • £0.99

Centranthus 'Star Ruber Mixed'

Valerian, Red Valerian, Pretty Betsy

A beautiful border plant beloved by bees and butterflies. Mixture contains three colours: rose, white and maroon. Plants are lightly fragrant, long flowering and may also be used as a cut flower.
More info
    • 1 packet (100 centrantus seeds)

    • Despatch: Within 1 days
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    • £0.99

Foxglove 'Pam's Choice'

Digitalis purpurea

One of the best new foxgloves found in recent years. Stout, strong spires of creamy white flowers with attractive throats attractively painted in deepest burgundy. Creates an unforgettable sight when planted en masse in borders. Height 90-150cm (3-5 feet).
More info
    • 1 packet (500 foxglove seeds)

    • Despatch: Within 1 days
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    • £2.29 £0.99

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

Anemone japonica (Mixed)

Japanese Anemone, Anemone x hybrida, Windflower

Elegant, late summer flowering perennials, producing their gorgeous, well shaped blooms mainly in rose to pink shades for many weeks and providing the perfect end to the summer. Happy in sun or light shade. Flowers late summer/autumn, Height: 60cm-1.2m (2-4-ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
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    • £0.99

Malva moschata 'Snow White'

Musk Mallow

Dwarf, compact plants, covered by masses of glistening snow white flowers. Excellent garden performance, flowering over a long period all summer. Ideal for borders or containers. Flowers in first year. Height: 30-38cm (12-15in).
More info
    • 1 packet (40 malva 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

Erigeron karvinskianus 'Profusion'

Erigeron karvinskianus, Fleabane, Mexican Fleabane

Lovely subject for hanging baskets, window boxes, patio tubs. Flowers within 3 months.
More info
    • 1 packet (200 erigeron seeds)

    • Despatch: Within 1 days
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    • £3.49

Foxglove 'Alba'

Digitalis purpurea f. albiflora, Digitalis purpurea 'Alba'

Marvellous large pure white spikes, a rare and unusual colour. Magnificent in the border in sun or part shade and very useful as a cut flower. Flowers early summer.
More info
    • 1 packet (150 foxglove seeds)

    • Despatch: Within 1 days
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    • £2.99

Hollyhock 'Chater's Double Icicle'

Alcea rosea, Althaea rosea

A classic cottage Hollyhock. Spectacular, large, crystal white, fully double, powder-puff blooms grace tall strong stems from mid summer until autumn. Adds height and a touch of style to the back of perennial or cottage garden borders. Especially effective when planted in groups. Height 1.5-1.8m (5-6ft).

Culinary note: try crystallising the flowers for a tasty cake decoration, or use them to make a delicately flavoured syrup to use with puddings. For more details about edible flowers click here.

More info
    • 1 packet (100 hollyhock seeds)

    • Despatch: Within 1 days
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    • £2.99 £0.99

Lysimachia ephemerum

Loosestrife

Probably one of the best species with silver lanceolate foliage and stems. The flower spikes contain many small white flowers, gently veined in mauve. A choice perennial from Spain, and an unusual cut flower too. Height: 60-120cm (3-4ft). More info
    • 1 packet (50 lysimachia seeds)

    • Despatch: Within 1 days
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    • £1.49 £0.99