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 6 products.
 
Cheiranthus Cheiri Bedding Mixed

Wallflower 'Bedding Mixed'

Erysimum, Cheiranthus

 A special selection drawn from the widest colour range of the named varieties. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 38-45cm (15-18in) More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19
Meconopsis cambrica Double Mixed

Meconopsis cambrica 'Double Mixed'

Welsh Poppy

 Welsh Poppy. An exclusive and rare mix of silky pom-pom blooms in orange, red and yellow. The Welsh Poppy is a breezy perennial for dappled shade, blooming from mid-spring right through to autumn. Occasionally an odd single flower may also appear. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Cheiranthus Cheiri My Fair Lady Mixed

Wallflower 'My Fair Lady Mixed'

Erysimum cheiri, Cheiranthus
A neat, uniform free flowering strain. Soft, fragrant colours; lemon, cream, gold, apricot, purple, pink, salmon, rose and mahogany. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 37-45cm (15-18in). More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Iris Pacific Coast Hybrids

Iris 'Pacific Coast Hybrids'

Beardless Iris, Californian Hybrid

 Fantastic colour combinations rich and mellow. Some wonderful veined reds and golds, greys, blues, pinks, creams and combinations that virtually cover the rainbow. They are excellent for cutting and have a tremendous flowering capacity. More info
    • 1 packet (45 seeds)

    • Despatch:
    •  
    • £1.49
    • Out of stock
Aquilegia X Hybrida Firecracker

Aquilegia x hybrida 'Firecracker'

Columbine, Granny's Bonnet
Truly outstanding, with blazing, long-spurred blooms of contrasting orange-red and canary-yellow, complemented by blue-green foliage. Ideal planted en masse, turning borders into an explosion of colour. More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.29
Kew : Poppy (Meconopsis) Cambrica Double Mixed

Meconopsis cambrica 'Double Mixed' - Kew Collection Seeds

Welsh Poppy. An exclusive and rare mix of silky pom-pom blooms in orange, red and yellow. The Welsh Poppy is a breezy perennial for dappled shade, blooming from mid-spring right through to autumn. Occasionally an odd single flower may also appear. More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99