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 10 products.
 
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
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    • £0.99
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
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    • £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
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    • £2.99
Alcea Rosea Chater's Double Icicle

Hollyhock 'Chater's Double Icicle'

Alcea rosea, Althaea rosea
A classic cottage Hollyhock. Spectacular, large, crystal white, fully double, powder-puff blooms grace tall strong stems from mid summer until autumn. Adds height and a touch of style to the back of perennial or cottage garden borders. Especially effective when planted in groups. Height 1.5-1.8m (5-6ft).

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

 More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.99
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
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    • £1.49
Dianthus Deltoides Arctic Fire

Dianthus deltoides 'Arctic Fire'

Maiden Pink

 A spectacular first year flowering perennial Dianthus that is quick to flower. Dwarf plants of deep green foliage, are smothered with dainty white serrated flowers complimented by an attractive fiery red eye. These delightful 'Pinks' are long flowering, and look stunning as ground cover in borders or added to rockeries. Height: 15-20cm (6-8in).

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

 More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Delphinium Hybridum Green Twist

Delphinium hybridum 'Green Twist'

This gorgeous Delphinium was bred in New Zealand, and has taken many years of selection to ensure it grows true from seed. Strong plants produce tall, stately spires of flowers in an unusual blend of creamy-white with green streaks and shadows on the petals and a cream/green central bee or occasionally no bee at all. Makes a very attractive and unusual addition to perennial borders. Height: 120-150cm (4-5ft) More info
    • 1 packet (8 seeds)

    • Despatch: Within 2 Days
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    • £4.99
Alcea Rosea Halo White

Hollyhock 'Halo White'

Alcea rosea, Althaea rosea
Large, bright white single flowers with an attractive bright yellow 'halo' in the centre of each bloom. Hollyhock Halo White produces tall flower spikes on strong bushy plants with plenty of eye-catching flowers on each spike to add dramatic height to your borders in late summer.

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
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    • £2.29
Lupinus Chamissonis Hybrid Silver Fleece

Lupin 'Silver Fleece'

Lupinus chamissonis

A selection made from Lupinus chamissonis. Its lovely silver grey foliage will creep and cascade through other plants in borders. Unlike the original, this selection is vigorous and hardy with gorgeous blue and white stumpy flower spikes.

If sown early, it will flower in its first year.

 More info
    • 1 packet (10 seeds)

    • Despatch: Within 2 Days
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    • £1.49
Echinacea Purpurea Lustre Hybrids

Echinacea purpurea 'Lustre Hybrids'

Coneflower
A robust, long-lived border plant with superb flowering performance and excellent weather resistance. This very attractive mixture offers shades of pink and red as well as glistening white. Excellent for borders or makes a high quality cut flower. Prefers a light, well-drained soil in full sun. Height 45-60cm (18-24in). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
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    • £2.29