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 22 products.
 
Aquilegia X Hybrida Royal Purple

Aquilegia x hybrida 'Royal Purple'

Columbine, Granny's Bonnet, Aquilegia clematiflora, Aquilegia vulgaris var. stellata 'Royal Purple'

 A specially selected spurless form, producing clematis-like flowers of a deep, rich royal purple colour. Aquilegia ‘Royal Purple’ has outstanding garden performance . This hardy perennial columbine is ideal for cottage garden borders and shady woodlands. Height: 60cm (24"). Spread: 40cm (16"). More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Helleborus Purpurascens

Hellebore (Purple-flowered Christmas Rose)

Helleborus purpurascens

Rarely offered for sale as seed! This exquisite Helleborus produces clumps of robust, leathery foliage along with many large blooms, flushed in shades of purple, pink and even slate grey!

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.99
Aquilegia Flabellata Var Pumila Kurilensis Rosea

Aquilegia flabellata var. pumila f. kurilensis 'Rosea'

Columbine, Granny's Bonnet, Dwarf Fan Columbine

 Extremely dwarf plants with attractive, nodding, rose-pink and cream flowers against unusual blue-green, fan shaped foliage. This compact Aquilegia is ideal for planting at the front of borders, in containers or alpine gardens where it will self seed to create handsome drifts. Height and spread: 20cm (8”). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Aquilegia Magpie

Aquilegia 'Magpie'

Aquilegia vulgaris 'William Guiness', Columbine, Granny's Bonnet

 The striking black bonnets of Aquilegia ‘Magpie’ make a superb contrast with the white corolla. The exquisite blooms of this classic cottage garden perennial are carried on wiry stems, set above pretty ferny foliage. This hardy Columbine is perfect for en masse in borders and shady woodland edges, and makes an attractive cut flower for a vase indoors. Height: 75cm (30"). Spread: 30cm (12"). More info
    • 1 packet (75 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.99
Helleborus Niger

Hellebore (Christmas Rose)

Helleborus niger

Surprise your friends and neighbours with an arrangement of Christmas roses for the festive season! Beautiful blooms at a time when little else is available. From seed you can have a group quite close together in a way which would cost you a great deal if you bought the plants. They flower in about three years from seed and invariably produce stronger, healthier plants.

 More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Aquilegia Sweet Rainbows

Aquilegia 'Sweet Rainbows'

Columbine, Granny's Bonnet
A breeding breakthrough! The result of merging a full range of top quality Aquileglas, all selected for form, colour and the best fragrance. Ideal for adding sweet scentsation to any border. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Anemone Japonica Mixed

Anemone japonica (Mixed)

Japanese Anemone, Anemone x hybrida, Windflower

 Elegant, late summer flowering perennials, producing their gorgeous, well shaped blooms mainly in rose to pink shades for many weeks and providing the perfect end to the summer. Happy in sun or light shade. Flowers late summer/autumn, Height: 60cm-1.2m (2-4-ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69
Aquilegia Chrysantha Yellow Star

Aquilegia chrysantha 'Yellow Star'

Columbine, Granny's Bonnet
Large long spurs of lovely fragrance. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49
Aquilegia Caerulea

Aquilegia caerulea

Rocky Mountain Columbine, Colarado Blue Columbine, Granny's Bonnet
Possibly the most beautiful Aquilegia of all. With glorious light to deep blue flowers 2-3in across sometimes fetching bi-coloured with white. An excellent border perennial, grand for cutting, in bloom for several weeks and will grow in sun or light shade. Flowers late spring/early summer. Height: 30-35cm (12-14in) More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Aquilegia X Hybrida Green Apples

Aquilegia x hybrida 'Green Apples'

Aquilegia vulgaris var. stellata 'Green Apples', Columbine, Granny's Bonnet
The first green flowered Aquilegia with this spectacular Clematis-like flower formation. The buds open in a delightful lime-green shade, fading to a sumptuous apple-green before ageing to a gentle cream. Makes an interesting feature for borders. More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Aquilegia X Hybrida Mckana Giants Mixed

Aquilegia x hybrida 'McKana Giants Mixed'

Columbine, Granny's Bonnet
Attractive free-flowering, long spurred mixture in a wide range of vibrant coloured blooms on strong stems, ideal for cutting. Outstanding garden performance. More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Aquilegia Viridiflora Chocolate Soldier

Aquilegia viridiflora 'Chocolate Soldier'

Columbine, Granny's Bonnet

 This rare, choice species features delicate, nodding, chocolate-brown, 1.5cm (½in) blooms from late spring onwards. The neatly compact plants are perfect for borders and rockeries. A collector's item. Height: 30-35cm (12-14 inches). More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99