Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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.
 
Delphinium Hybridum Dusky Maiden

Delphinium 'Dusky Maiden'

Long, strong, impressive flower spikes in spectacular dusky pink shades, making this superb as a cut flower. Truly outstanding garden performance makes this a must for all perennial borders. Height: 120-150cm (4-5ft).

 More info
    • 1 packet (8 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.99
Thalictrum Delavayi

Thalictrum delavayi

Chinese Meadow Rue
This choice plant will grace any border with its shimmering sprays of regal mauve with attractive creamy-yellow stamens. Ideal for cutting. Height: 120-150cm (4-5ft). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Delphinium X Cultorum Centurion Rose F1 Hybrid

Delphinium x cultorum 'Centurion Rose' F1 Hybrid

One of the highest quality Delphiniums from seed! Robust flower spikes become clothed in superb mid-rose, triple layered petals, known as duplex flowers, with white bees. Wonderful, adding height and colour to borders, along with impressing the judges on the show bench. Height: 120-150cm (4-5ft). More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Delphinium X Cultorum Centurion Lilac Blue Bicolour F1 Hybrid

Delphinium x cultorum 'Centurion Lilac Blue Bicolour' F1 Hybrid

UK Exclusive. One of the very best delphiniums from seed, equal in quality to expensive cutting-raised plants. The tall, sturdy stems of Delphinium Centurion Lilac Blue Bicolour are covered in truly stunning bi-coloured blooms with triple-layered petals in lilac and blue shades with a white central 'bee'. (Flowers from July to September in its first year if sown before the end of February). More info
    • 1 packet (12 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99