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 30 products.
 

Hollyhock 'Nigra'

Alcea rosea, Althaea rosea

 Customer Rating
Tall strong stems bearing chocolate maroon flowers, becoming almost 'black' towards the centre. This is a unique variety creating an impressive impact against most backgrounds. Flowers mid to late summer. Height 5ft.

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

More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 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.
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    • 1 packet (15 seeds)

    • Despatch: Within 3 days
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    • £0.99

Lisianthius nigrescens

Flower of Death

This rare exotic plant is little known outside its native homeland of Mexico. A choice species, and seldom offered, Lisianthius nigrescens bears long, tubular flowers of the darkest black, on slender, towering stems. This extraordinary perennial makes a dramatic specimen plant and a fascinating talking point that will create interest and wonder at the back of borders. Lisianthius nigrescens is half-hardy but will require winter protection in a frost free environment during the winter months. Height: 180cm (71"). Spread: 50cm (20"). More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
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    • £3.29

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 3 days
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    • £2.99

Chrysanthemum x koreanum 'Fanfare Improved' F1 Hybrid

Chrysanthemum x grandiflorum, Florist's Chrysanthemum

The cooler it is the earlier it blooms continuing till hard frost. Double pom-pom, 3in flowers on semi-dwarf plants. Magnificent cut flower.


Companion planting: Try growing Chrysanthemums with chives, whose aromatic leaves will deter aphids.


Useful links:

Companion Planting

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £0.99

Hollyhock 'Antwerp Mixed'

Alcea ficifolia

A rich cottage garden mixture of colourful pastel shades. The Antwerp blend has attractive and unusual palmate foliage, and is also shown to have the best levels of resistance to the common Hollyhock problem of rust. Excellent for borders, especially planted in groups. Height: 150-180cm (5-6ft).

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

More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £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 (71Ó). Spread: 60cm (24Ó).

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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Hollyhock 'Chater's Double Apricot'

Alcea rosea, Althaea rosea

This magnificent strain, with fully double flowers of rich apricot on tall imposing spikes of blooms, gives an air of stately splendour. One of the finest background plants for the border and is equally effective when grown in small groups. Usually flowers in its second year. Flowers mid to late summer. Height 1.5-2m (5-6ft).


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

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
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    • £0.69

Thalictrum delavayi

Chinese Meadow Rue

This choice plant will grace any border with its shimmering sprays of regal mauve with attractive creamy-yellow stamens. Ideal for cutting. Height: 120-150cm (4-5ft).
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £1.49

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

More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
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    • £2.99

Hollyhock 'Peaches 'n' Dreams'®

Alcea rosea, Althaea rosea

An elegant, high quality border plant resulting from T&M's own breeding program. Tall, stately flower spikes packed with many fully double, power-puff blooms of peachy-cream, some with a tinge of raspberry-pink. Best grown in groups at the back of the border. Flowers mid to late summer. Height 1.5-2m. (5-6ft).

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

More info
    • 1 packet (35 seeds)

    • Despatch: Within 3 days
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    • £0.99

Delphinium hybridum 'New Zealand Doubles Mixed'

Layer upon layer of soft petals make up the tight double blooms on this indulgent new mixture, a sister breeding line to the ever popular New Zealand Hybrids. Dreamy spires in calming shades of pale mauves, bold blues, pinks, cool whites and creams create an awesome presence in perennial borders, with the added benefits of flowering longer, stronger growing and mildew resistance than other Delphiniums. Height: 120-150cm (4-5ft).
More info
    • 1 packet (10 seeds)

    • Despatch: Within 3 days
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    • £5.49