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 12 products.
 

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
    •  
    • £3.79

Lisianthius nigrescens

Flower of Death

  • NEW in 2013
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 2 Days
    •  
    • £2.99

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

Cynara cardunculus

Cardoon

The ripening seed heads of Cynara cardunculus are a fantastic combination of bronzes and golds. The stems are thick and sturdy, the foliage is large, serrated and silver and in its own right presents an imposing border plant for most of the year.
More info
    • 1 packet (18 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49

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 2 Days
    •  
    • £4.99

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
    •  
    • £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 2 Days
    •  
    • £6.99

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
    •  
    • £1.49

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
    •  
    • £1.49

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

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

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