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 236 products.
 
Lupin Regalis Morello Cherry

Lupin 'Morello Cherry'

Lupinus x regalis
The high quality, large stems of rich cherry and deep cherry keels, contrast wonderfully together. A selection made by T&M, believed to be the fastest first year flowering perennial Lupin we know. Will brighten any border. Height: 90-112cm (36-45in). CAUTION: Seeds Are Very Poisonous. More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.79
Penstemon Barbatus Cambridge Mixture

Penstemon barbatus 'Cambridge Mixture'

Beardlip Penstemon, Chelone barbata

A high quality mixture in shades of rose, pink, blue and purple, with grey-green foliage. Superb for containers and bedding with compact, neat habit and flowering only 16-20 weeks after sowing. Flowers summer. Height 30cm (12in).

 More info
    • 1 packet (120 seeds)

    • Despatch: Within 2 Days
    • SPECIAL OFFER  
    • £1.49 £0.99
Alcea Filicifolia Antwerp Mixed

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 2 Days
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    • £2.99
Aquilegia Chrysantha Yellow Star

Aquilegia chrysantha 'Yellow Star'

Columbine, Granny's Bonnet
Large long spurs of lovely fragrance. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Echinacea Purpurea Magnus

Echinacea purpurea 'Magnus'

Coneflower
An outstanding selection of the 'Cone Flower', distinguished by the warm bright colour of its exceptionally large flowers. The slender elegance and formality of its petals give it a style that will add class to larger flower arrangements. In the border it is no less valuable on account of its robust strong stems and general vigour which give 'Magnus' good wind and weather resistance. Flower in their first season from an early sowing. Flowers mid summer to winter. Height 1m (36 inches). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Poppy X Hybridus Summer Breeze Mixed

Poppy 'Summer Breeze Mixed'

Papaver nudicaule, Arctic Poppy, Icelandic Poppy

A first-year-flowering perennial with unbeatable flower power! Up to 100 delicate papery flowers per plant are produced throughout the summer in a mix of yellow, orange and white, creating a long-lasting, free-flowering and colourful border display.

 More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Centranthus Ruber Snowcloud

Centranthus ruber 'Snowcloud'

Valerian, Red Valerian, Pretty Betsy
Attractive pure white selection. Ideal for attracting beneficial insects into the garden. Very long flowering and can be used as a cut flower. More info
    • 1 packet (70 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Gerbera jamesonii 'T&M Mixed' F2 Hybrid

Gerbera jamesonii 'T&M Mixed' F2 Hybrid

Barberton Daisy, Transvaal Daisy
  • NEW in 2013
Fast growing and early to flower, this special T&M blend of large- bloomed gerbera make spectacular house plants. Perfect for the patio in summer and a sunny windowsill or glasshouse during the cooler months, they’ll provide months of vibrant colour. The flowers are of the very best quality and make excellent cut flowers. Height: 30-40cm (12-16"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Knautia Macedonia

Knautia macedonica

Macedonian Scabious, Scabiosa rumelica
 Customer Rating
One of the finest perennials for the border we have seen. It has a very long season of flowering lasting well into the autumn and early winter. The dense, double, pin cushion scabious like flowers are a brilliantly strong cherry red, a rare colour in border flowers. Makes a large, neat, rounded bushy plant producing many flowers which are excellent for cutting. Easy to grow and undemanding. Flowers summer/autumn. Height 90-120cm (3-4ft). More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.79
Arum Lily

Arum Lily

Zantedeschia aethiopica, Calla Lily
A soothing sight by the waterside, in moist borders or large containers. These robust plants produce glossy foliage shooting like arrows from the base, then from late spring to mid-summer, the beautiful, pure white Arum Lily blooms become a sparkling attraction. Hardy with dry mulch winter protection. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Helenium Puberleum Autumn Lollipop

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 seeds)

    • Despatch: Within 2 Days
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    • £0.69
Gaura Lindheimeri

Gaura lindheimeri

White Gaura, Lindhemier's Beeblossom
Spikes of ¾in white flowers, tinged in pink. Long flowering in the border and as cut flowers. Cannot be sent to Hawaii. More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £3.29