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 19 products.
 

Salvia coccinea 'Summer Jewel Red'

Scarlet Sage

  • Flowers all summer until the first frosts
Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Red' is quicker to flower and more compact than other dwarf salvias. This free flowering variety bears its long lasting scarlet blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its fiery blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

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 3 days
    •  
    • £2.99

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 3 days
    •  
    • £3.99

Canna indica 'T&M Hybrids'

Indian Shot Plant

 Customer Rating
Shades of yellow, red and cream with pretty bronze or green foliage. Sow early.
More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £1.49

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 3 days
    •  
    • £3.49

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 3 days
    •  
    • £4.99

Agastache aurantiaca 'Fragrant Mixed'

Hummingbird Mint

Dense spikes of tasselled, tubular flowers erupt above neat clumps of aromatic foliage. The tall, airy flower spikes make a lovely addition to cottage garden borders where they will attract insects to their dainty blooms.Colourful Agastache aurantiaca 'Fragrant Mixed' is quick and easy to grow, flowering in its first year from sowing - perfect for filling summer containers and plugging gaps in beds and borders! Height: 60cm (24"). Spread: 30cm (12").
More info
    • 1 packet (60 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Agastache aurantiaca 'Apricot Sprite'

Hummingbird Mint

Tubular blooms of apricot orange form dense flower spikes above clumps of silvery green, richly aromatic foliage. Agastache aurantiaca 'Apricot Sprite' is compact and quick growing - the perfect choice for beds and containers or filling gaps in borders. Bred and selected by T&M, this free flowering, half hardy perennial has been awarded a Fleuroselect Quality Mark. All this, and it also flowers in its first year from seed! Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

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 3 days
    •  
    • £3.19

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 3 days
    • SAVE £1.49  
    • £5.98 £4.49

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 3 days
    •  
    • £1.49

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 3 days
    •  
    • £3.99

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 3 days
    •  
    • £1.49

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 3 days
    •  
    • £6.99

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 3 days
    • SAVE £1.49  
    • £11.98 £9.49

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: By end of July 2014
    •  
    • £3.99

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 3 days
    •  
    • £4.99

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 3 days
    •  
    • £3.99

Salvia coccinea 'Summer Jewel Pink'

Scarlet Sage

Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Pink' is the latest addition to the ‘Summer Jewel’ series. Quicker to flower and more compact than other dwarf salvias, this free flowering variety bears its long lasting shell pink blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its delicate blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49