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 2 products.
 
Allium Giganteum

Allium giganteum

Giant Allium, Ornamental Onion
One of the tallest of the allium species, the spectacular ball-shaped blooms are made up of masses of tiny bright purple flowers and have a diameter of at least 20cm (8"). The airy spheres of bloom are followed by architectural seedheads that create a spectacular autumn display. Undemanding and easy to grow, these magnificent, long lasting allium flowers are also excellent for cutting. Height: 120cm (48"). Spread: 15cm (6").

Useful links:

How to grow bulbs, corms and tubers 

 More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
    •  
    • £4.29
Lupinus Chamissonis Hybrid Silver Fleece

Lupin 'Silver Fleece'

Lupinus chamissonis

A selection made from Lupinus chamissonis. Its lovely silver grey foliage will creep and cascade through other plants in borders. Unlike the original, this selection is vigorous and hardy with gorgeous blue and white stumpy flower spikes.

If sown early, it will flower in its first year.

 More info
    • 1 packet (10 seeds)

    • Despatch:
    •  
    • £1.49
    • Out of stock