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 5 products.
 
Salvia coccinea 'Summer Jewel Red'

Salvia coccinea 'Summer Jewel Red'

Scarlet Sage
  • NEW in 2013
  • Flowers all summer until the first frosts
Applauded by Fleuroselect judges, Salvia coccinea 'Summer Jewel Red' is quicker to flower and more compact than other dwarf salvias. This free flowering variety bears its long lasting scarlet blooms above compact aromatic foliage. Scarlet Sage makes a stunning addition to borders and containers where it will attract pollinating insects to its fiery blooms. Although perennial, Salvia coccinea is half hardy and best treated as an annual in the UK. Height: 45cm (18"). Spread: 30cm (12"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
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
    •  
    • £4.29
Salvia Sclarea Var. Turkestanica

Salvia sclarea var. turkestanica

Biennial Clary
Scores of tall stems bearing many pink to white bracts and soft blue and white tiny flowers. Remaining spectacular, even in early autumn.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

 More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.69
Salvia Sclarea Var. Turkestanica Alba

Salvia sclarea var. turkestanica alba

Biennial Clary
A really choice border plant! Quickly becoming established, the many, strong erect stems are topped with plumes of white and lime-green bracts, which have a maroon underside. A superb plant to give colour balance to the garden.

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

 More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Pyrethrum T&M Single Mixed

Pyrethrum 'T&M Single Mixed'

Tanacetum coccineum, Painted Daisy, Chrysanthemum coccineum

Useful and popular plants for the border, providing masses of bright single daisy flowers at a time when the last of the spring flowers have faded and before the summer types are in bloom. The long stemmed flowers make excellent cut flowers. Flowers late spring-early summer. Height: 30-36in.

 More info
    • 1 packet (125 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19