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 4 products.
 
Delosperma Floribunda Stardust

Delosperma floribunda 'Stardust'

Ice Plant
 Customer Rating
The perfect plant for that hot, dry spot in your borders or rockeries. Dwarf, shiny, deep green, almost metallic-looking succulent foliage bursts into bloom from mid May. Plants are covered with spectacular lilac-purple flowers flowers with large white centres, flowering until the first frost. Loved by butterflies. Height: 10-15cm (4-6in) More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.29
Eryngium Alpinum Blue Lace

Eryngium alpinum 'Blue Lace'

Sea Holly, Alpine Eryngo
A spectacular alpinum selection with impressive long lasting clear violet-blue terminal flower heads on stunning blue stems. Makes an eye-catching addition to any border, and an attractive cut flower. Height: 85cm (34in). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.79
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
Salvia Transylvanica

Salvia transylvanica

Sage

 Effective blue border plant. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99