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 7 products.
 
Dianthus barbatus 'Kaleidoscope Mixed'

Dianthus barbatus 'Kaleidoscope Mixed'

Sweet William
  • NEW in 2013
  • RHS Perfect for Pollinators
A cottage garden favourite with an unusual colour twist! This beautiful Sweet William produces large heads of pretty pink flowers that gradually mature to white, creating a delightful bicolour effect. Sweet William ‘Kaleidoscope’ is highly scented with multi branching stems that make it superb for cutting. Often grown as a biennial, this short lived perennial is ideal for borders, beds and containers, and will even flower in the same year if sown early. Height: 60cm (24”). Spread: 30cm (12”).

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

 More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.99
Primula Veris

Primula veris

Cowslip
The famous meadow and hedge row plant of simple beauty. Fragrant lemon yellow pendulous blooms. Easy to grow in sun or part shade. Flowers spring. Height 23cm (9in). Contact with the leaves may cause skin allergy to some people with sensitive skins.

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

 More info
    • 1 packet (150 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Agastache hybrida 'Astello Indigo'

Agastache hybrida 'Astello Indigo'

  • NEW in 2013
  • Fleuroselect Gold Medal
Indulge your senses with the fabulous mint-scented flower-spikes of Agastache hybrid ‘Astello Indigo’. The long-lasting, deep blue flower spikes are irresistible to bees and butterflies and make a fabulous addition to borders and containers. This attractive half-hardy perennial is ideal for gravel gardens and wildlife borders, although it is generally grown as an annual in colder areas. Height: 60cm (24"). Spread: 30cm (12").

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

 More info
    • 1 packet (15 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Agastache Foeniculum Golden Jubilee

Agastache foeniculum 'Golden Jubilee'

Anise Hyssop, Agastache rugosa, Agastache anisata, Agastache anethiodora
Attractive, golden-green foliage with a distinct aniseed fragrance, making a vibrant contrast to the compact lavender-blue flower spikes. Adds interest to borders and containers, as well as attracts wildlife to your garden. Fragrant and excellent in borders or containers.

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
Dianthus Barbatus Indian Carpet Mixed

Dianthus barbatus 'Indian Carpet Mixed'

Sweet William
A dwarf compact variety with a very wide colour range and excellent for bedding. It can be treated either as a biennial or as a half hardy annual to produce flowers the same season usually in around 10 weeks from sowing. Flowers early summer. Often grown as a biennial, this short lived perennial is ideal for cottage garden borders, beds and containers. Height 6in.

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

 More info
    • 1 packet (400 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.09
Dianthus Barbatus Nigrescens Sooty

Dianthus barbatus nigrescens 'Sooty'

Sweet William
Supremely different to other Sweet Williams with 7cm (2½in) fragrant blooms of deepest maroon-chocolate on red stems and mid green foliage which matures to metallic mahogany. Stunning cut flower and border plant. Often grown as a biennial, this short lived perennial is ideal for cottage garden borders, beds and containers. Height: 30-38cm (12-15in).

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

 More info
    • 1 packet (75 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Agastache Anisata

Agastache foeniculum

Anise Hyssop, Agastache anisata, Agastache anethiodora
Silvery-green foliage which is scented unmistakenly of Aniseed. Flower spikes of blue appear during summer. Bees, butterflies and goldfinches love it!

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

 More info
    • 1 packet (60 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.29