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 49 products.
 
Pelargonium X Hortorum Horizon Coral Spice F1 Hybrid

Geranium 'Horizon Coral Spice' F1 Hybrid

Pelargonium x hortorum, Zonal Geranium, Zonal Pelargonium

 A gorgeous new warm colour in geraniums. Large, well rounded, bright coral flower heads above lightly zoned foliage. With vigorous performance, it will flower nonstop until first frosts. More info
    • 1 packet (6 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Asarina Purpusii Victoria Falls

Asarina purpusii 'Victoria Falls'

Maurandya

 Vibrant cerise-purple antirrhinum-like flowers, clasped in lime-green bracts, cascade from delicately arching stems, that grow to 45cm (18in). This half-hardy perennial will flower from early May until cut back by frost. Non-climbing, use in baskets, containers, and window boxes. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Cobaea Duo

Cobaea (Duo)

Cup And Saucer Vine, Cathedral Bells, Cups And Saucers, Mexican Ivy
 Customer Rating

One packet each of Cobaea scandens and Cobaea scandens alba.
Cobaea scandens - A showy climber for the cool greenhouse, conservatory, and also forming a very decorative screen on trellis or south facing wall in milder areas. The large bell shaped 'cup and saucer' flowers are often 6cm (2½ in) across. Flowers late summer. Climber.
Cobaea scandens alba - A spectacular climbing plant for the summer garden or the conservatory. This very choice creamy white form of Cathedral Bells or The Cup and Saucer Plant comes from Mexico and quickly grows to cover unsightly areas or a wall outdoors, where it can be treated as a summer annual. Alternatively it may be grown in the heated conservatory or greenhouse, where it will continue to flower for many years. Flowers summer. Climbing Height 3-6 metres (10-20ft).

 More info
    • 2 packets - 1 of each variety (13 seeds in total)

    • Despatch: Within 2 Days
    • SAVE £1.49  
    • £5.98 £4.49

Tacca chantrieri

Cat's Whiskers, Devil Flower, Bat Plant

 In Malaya they call it the Devil's Flower and strange, fascinating stories surround it. Originating, no doubt, from the malevolent way the eyes in the bloom seem to be following your every move! It grows to about 2ft. in height with flowers complete with filaments or whiskers 12in. long forming a flowing forked tail. More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Tacca Nivea

Tacca chantrieri 'Nivea'

Cat's Whiskers, Devil Flower, Bat Plant

 This rare white form of the ever popular Bat Plant offers shiny, dark green leaves and in 2-3 years when mature, magnificent white, green veined blooms with long tentacles. A thought- provoking plant for the home or conservatory. More info
    • 1 packet (8 seeds)

    • Despatch: Within 2 Days
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    • £4.99
Asarina Scandens Jewel Mixed

Asarina scandens 'Jewel Mixed'

Maurandya scandens

 Sophisticated climber, masses of 1½in indigo to violet blue, pink or pure white flowers. Quick to bloom from an early sowing. Ideal for the cold greenhouse or conservatory. One of the longest flowering annuals, in bloom untill Christmas if there is no hard frost or in the greenhouse during winter. Climbs to 120-240cm (4-8ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Datura Metel Double Golden Queen

Datura metel 'Double Golden Queen'

Angels' Trumpet, Downy Thorn Apple

 A dynamic border and container plant with large, beautifully double, frilled flowers of canary yellow. The many flowers are earlier than most varieties and will continue through to frosts. Makes a stunning conservatory plant too. Flowers mid to late summer. Height 140cm (5 feet). More info
    • 1 packet (8 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Datura Meteloides Evening Fragrance

Datura meteloides 'Evening Fragrance'

Datura inoxia, Angels' Trumpet, Downy Thorn Apple

 Huge and heavily fragrant pure white trumpet flowers, with a soft lavender picotee edge, 20cm (8in) long and 10-15cm (4-6in) across, hang from tree-like plants, with soft, slate-blue foliage. Perfect for growing in tubs, containers, on patios or sheltered corners close to the house where the evening perfume can be appreciated. Despite their exotic appearance they are relatively tough under windy and rainy conditions, adapting to many soil types. Height: 90-120cm (36-48in), spread 90-95cm (36-38in). More info
    • 1 packet (8 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
Datura Metel Double Blackcurrant Swirl

Datura metel 'Double Blackcurrant Swirl'

Angels' Trumpet, Downy Thorn Apple

 A dynamic border, container or conservatory plant with large, beautifully double frilled flowers of blackcurrant and lilac-mauve. The many flowers are earlier than most and continue through to frosts outdoors. Flowers mid summer-autumn. Height 1.4m. (5ft) More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Cyclamen Persicum Grandiflorum Lazer Mixed F1

Cyclamen persicum grandiflorum 'Lazer Mixed' F1 Hybrid

Florist's Cyclamen, Persian Cyclamen
One of the easiest Cyclamen to grow, as it is very forgiving if grown in less than ideal conditions. Quick to flower in a range of 9 colours. An intermediate variety, ideal for growing in 4 inch pots. Height: 23-30cm (9-12in). More info
    • 1 packet (8 seeds)

    • Despatch: Within 2 Days
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    • £4.79
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