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 3 products.
 
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
Verbena Rigida (Venosa)

Verbena rigida

Verbena venosa, Veined Verbena, Glandularia
Dense 5cm (2in) clusters of purple fragrant flowers and dark green leaves. Adds height and interest to bedding displays. Lift tubers in autumn. Height: 30-60cm (1-2ft). More info
    • 1 packet (150 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19
Salvia Transylvanica

Salvia transylvanica

Sage

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

    • Despatch: Within 2 Days
    •  
    • £2.99