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 23 products.
 
Silene Laciniata Jack Flash

Silene laciniata 'Jack Flash'

Catchfly, Campion
Wow! What a stunning perennial! Easy to grow and sure to catch some admiring glances. Attractive bright red, starburst blooms borne on slender stems. Goes on flowering over a very long period. More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Exotic : Giant Viper's Bugloss (Echium Pininana)

Echium pininana

Tower of Jewels, Giant Viper's Bugloss, Tree Echium, Echium pinnifolium
 Customer Rating

No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves.

 More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
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    • £3.79
Kniphofia Hirsuta Traffic Lights

Red Hot Poker 'Traffic Lights'

Kniphofia hirsuta, Torch Lily
An intriguing dwarf red hot poker with unusual red, amber and green flower spikes. First year flowering, adding interest to borders and containers. Height: 30-40cm (12-16in). *Sow Sept/Oct to flower the following season. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
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    • £3.29
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
Alstroemeria Ligtu Hybrids

Alstroemeria 'Ligtu Hybrids'

Peruvian Lily

 Invaluable long-lived border plants in numerous shades of pink, orange and scarlet with distinctive, contrasting stripe. One of the worlds' most popular cut flowers. More info
    • 1 packet (35 seeds)

    • Despatch: Within 2 Days
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    • £3.49
Tropaeolum Speciosum

Tropaeolum speciosum

Flame Nasturtium, Flame Flower, Flame Creeper
Flame Flower. Gorgeous scarlet flowered climber. Climbs to 180-300cm (6-10ft). More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Geranium Maderense

Geranium maderense

Giant Herb Robert, Madeira Cranesbill
 Customer Rating
Truly amazing! Resembling a small Palm Tree, with a stout trunk and radiating stems of palmate foliage. This species requires some shelter In the garden, or is perfect for a large pot in the conservatory or the greenhouse border. Velvety, magenta pink flowers are produced in panicles aloft the exotic foliage. Height: 90-150cm (3-5ft). More info
    • 1 packet (10 seeds)

    • Despatch:
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    • £1.49
    • Out of stock
Hibiscus Moscheutos Disco Sun Belle Mixed

Hibiscus moscheutos 'Disco Sun Belle Mixed'

Common Rose Mallow, Swamp Rose Mallow

 Spectacular dinner plate-like blooms (23cm/9in diameter) are produced in an impressive mixture of rich colours approximately 4½ months after sowing. Perfect for creating interest in borders, or grown in large pots on the patio or in a conservatory. Height: 50-80cm (20-32in). More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Kniphofia Species Mixed

Red Hot Poker 'Species Mixed'

Kniphofia, Torch Lily

 An exclusive blend of mixed species, including a complete spectrum of colours, heights and different flower spikes. Colours ranging from yellows, reds, oranges and bronze with some having an unusual hint of green. Ideal for brightening any herbaceous border. Height: 75-120cm (30-48in). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Mimulus X Hybridus Mystic Mixed F1 Hybrid

Mimulus x hybridus 'Mystic Mixed' F1 Hybrid

Diplacus, Monkey Flower, Musk

 Mimulus are versatile bedding plants for full sun or part shade. The Mystic Mixed is quick to flower and perfect for use in bedding, borders and containers. This exclusive blend covers a wide colour range and includes spotted blooms. Height: 15-23cm (6-9in). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Cardiocrinum Giganteum

Cardiocrinum giganteum

Giant Lily, Lilium giganteum

Spectacular fragrant, trumpet-shaped blooms as many as 50 at a time. Worth the wait as it can take 3+ years to flower.

 More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £0.99
Mimulus X Hybridus Monkey Magic F1

Mimulus x hybridus 'Monkey Magic' F1 Hybrid

Diplacus, Monkey Flower, Musk
Attractive 5cm (2 inch) pure white monkey flowers, mysteriously splashed with vibrant red spots, Flowering from early summer when as if by magic, your shady borders and containers will be transformed. Height: 15-23cm (6-9in). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Bird Of Paradise - Dwarf

Strelitzia reginae (Dwarf)

Bird of Paradise

 Unparalleled beauty of colour and form. Fantastic, exotic flowers justly famous. Grow them in your own greenhouse. One of the most rewarding of plants, it will take quite a bit of abuse and careless handling. Flowers spring. Height: 60-90cm (24-36in). More info
    • 1 packet (7 seeds)

    • Despatch: Within 2 Days
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    • £4.99
Mimulus X Hybridus Maximus Mixed

Mimulus x hybridus 'Maximus Mixed'

Diplacus, Monkey Flower, Musk
The biggest Mimulus flowers we have ever seen! The flowers are "four times the size of traditional varieties and are available in a wide range of vibrant colours. Strong plants produce these magnificent flowers over a very long season, ideal for planting in shady borders or containers. Height: 30-60cm (12-24in) More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.79
Mimulus X Hybridus Magic Yellow Flame F1 Hybrid

Mimulus x hybridus 'Magic Yellow Flame' F1 Hybrid

Diplacus, Monkey Flower, Musk

 Wow! Dwarf compact early flowering plants are smothered in stunning golden-yellow blooms. Intriguingly marked with delicate vibrant orange spots. This versatile variety for borders or containers will burst into colour when grown in sun or shade. Height: 15-23cm (6-9in). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Echium Fastuosum

Echium fastuosum

Echium candicans, Pride of Madeira
 Customer Rating
Native of the Canary Islands. Height: 60-120cm (2-4ft). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Strelitzia Reginae Mandela's Gold

Strelitzia reginae 'Mandela's Gold'

Bird of Paradise, Strelitzia reginae 'Kirstenbosch Gold'

 The rarely-offered, golden-yellow bird of paradise! After 20 years of hand pollination and selection by the Kirstenbosch Botanical Gardens, a small quantity of seed became available in 1994. Since then T&M has tried to introduce this variety into its catalogue. Patience usually pays off and finally we can offer more gardeners the chance of growing and seeing these flamboyant golden-yellow and purple blooms. Plants can take many years to flower from seed. Height: 1.2-1.8m (4-6ft). More info
    • 1 packet (3 seeds)

    • Despatch: Within 2 Days
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    • £6.99
Strelitzia Nicholai

Strelitzia nicolai

Giant White Bird of Paradise

 A rarely offered robust species of Black Bird of Paradise. Beautiful bird-like blooms In white with purple - blue can take many years to bloom. Meanwhile the large exotic sword - like foliage makes a superb container plant in a conservatory. More info
    • 1 packet (7 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Echium Pininana Alba Snow Tower

Echium pininana alba 'Snow Tower'

Tower of Jewels, Giant Viper's Bugloss, Tree Echium, Echium pinnifolium

  Customer Rating
Rare white-flowered form of this popular garden giant! The cascades of tightly-packed florets appear in the second year from the silver-green rosette and can reach an incredible height. More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Strelitzia Reginae Collection

Strelitzia reginae Collection

Strelitzia reginae 'Dwarf', Strelitzia reginae 'Mandela's Gold', Bird of Paradise

 Collection comprises one packet each of: Reginae Dwarf - Unparalleled beauty of colour and form. Fantastic, exotic flowers justly famous. Grow them in your own greenhouse. One of the most rewarding of plants, it will take quite a bit of abuse and careless handling. Flowers spring. Height: 60-90cm (24-36in). Mandela's Gold - The rarely-offered, golden-yellow bird of paradise! Height: 120-180cm (4-6ft). More info
    • 2 packets - 1 of each variety (10 seeds in total)

    • Despatch: Within 2 Days
    • SAVE £1.49  
    • £11.98 £9.49
Phaseolus caracalla (Snail Flower)

Snail Vine

Vigna caracalla, Phaseolus caracalla, Snail Flower, Snail Bean, Corkscrew Flower

  Customer Rating
This quick growing, evergreen twining climber is a close relative to the runner bean, grown for its pendants of twisted flowers, like coiled snail shells, up to 5cm (2”) across. The fascinating summer flowers are followed by cylindrical green fruits in late autumn. Requiring a minimum temperature of 15°C (59°F), Vigna caracalla is best grown in patio containers that can be moved indoors to a heated greenhouse or conservatory for the winter. Alternatively, grow snail vines outdoors as an annual. Height: 6m (20’). Spread: 2m (6’). More info
    • 1 packet (4 seeds)

    • Despatch: Within 2 Days
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    • £4.99
Bird of Paradise - Exotic Seed Collection

Strelitzia reginae (Dwarf) - Exotic Seed Collection

Bird of Paradise

 Unparalleled beauty of colour and form. Fantastic, exotic flowers justly famous. Grow them in your own greenhouse. One of the most rewarding of plants, it will take quite a bit of abuse and careless handling. Flowers spring. Height: 60-90cm (24-36in). More info
    • 1 packet (7 seeds)

    • Despatch: Within 2 Days
    •  
    • £4.99
Exotic : Giant Viper's Bugloss (Echium Pininana)

Echium pininana - Exotic Seed Collection

Tower of Jewels, Giant Viper's Bugloss, Tree Echium, Echium pinnifolium
 Customer Rating

No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves.

 More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99