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.
 
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
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    • £2.29
Kniphofia Hirsuta Traffic Lights

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 2 Days
    •  
    • £3.29
Salvia Lyrata Purple Volcano

Salvia lyrata 'Purple Volcano'

Lyre-leaved Sage

 Stunning mounds of deep purple foliage from which erupt deep purple stems, bursting with delicate white flowers. Perfect for adding colour contrast to borders and containers. Height: 25-30cm (10-12 inches). More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
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
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    • £4.29
Kniphofia Species Mixed

Red Hot Poker 'Species Mixed'

Kniphofia, Torch Lily

 An exclusive blend of mixed species, including a complete spectrum of colours, heights and different flower spikes. Colours ranging from yellows, reds, oranges and bronze with some having an unusual hint of green. Ideal for brightening any herbaceous border. Height: 75-120cm (30-48in). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Salvia Transylvanica

Salvia transylvanica

Sage

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

    • Despatch: Within 2 Days
    •  
    • £2.99