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 46 products.
 
Verbena Bonariensis

Verbena bonariensis

Glandularia, Verbena patagonica
Tall heads of bright, eye-catching rosy lavender, adding a tranquil tropical feel to borders. Height: 120-150cm (4-5ft). More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
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    • £2.99
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
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    • £0.69
Lysimachia Atropurpurea

Lysimachia atropurpurea

Loosestrife
A superb border plant with silver- green lanceolate foliage and many spikes of claret-red, almost black florets - a highly unusual colour in perennials. May also be used in containers or as a cut flower. More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £3.29
Sunflower maximiliani

Sunflower maximiliani

Helianthus maximiliani, Maximilian Sunflower
Often known as the Maximilian Sunflower, this attractive species produces masses of golden yellow, 7cm (3”) wide blooms all the way up the tall stems, which have a sweet chocolate fragrance. Perennial sunflower Helianthus maximiliani makes a stunning addition to the back of borders and a good late summer food source for both birds and butterflies. Height: 250cm (98”). Spread: 100cm (39”). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.29
Rudbeckia Fulgida Goldsturm

Rudbeckia fulgida var. sullivantii 'Goldsturm'

Coneflower, Black-eyed Susan
A profusion of bright flowers up to 5in across on bushy plants. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Monarda Didyma T&M Superb Mixed

Monarda didyma 'T&M Superb Mixed'

Bee Balm, Bergamot
Candelabra-like whorls of flowers in a formula mixture with mint scented foliage. Indispensable border flower for most soils, particularly damp sites. Height 90-100cm (30-40in).

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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    • £2.99
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
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    • £2.49
Campanula Medium Canterbury Bells Mixed

Campanula medium (Mixed)

Canterbury Bells, Bellflower
Masses of bells in an astonishing range of blues, whites and pinks. A gentle reminder of the cottage garden days. Flowers summer. Height 90-120cm (3-4ft). More info
    • 1 packet (850 seeds)

    • Despatch: Within 2 Days
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    • £2.09
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
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    • £0.69
Primula Vulgaris

Primula vulgaris

Primrose, Common Primrose
Without doubt this native British plant is one of the most beautiful of the Primula family and an excellent garden plant. The flowers are of softest yellow, a colour very rare among flowers, and are deliciously scented. Happy in full sun or part shade. Flowers spring. Height 6in.

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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    • £2.49
Astrantia Major-Hybrida Ruby Cloud

Astrantia major-hybrida 'Ruby Cloud'

Hattie's Pincushion, Masterwort
Thin upright stems, large flowers of ruby, tinged in apple green. True from seed and wonderful in the damp border. More info
    • 1 packet (22 seeds)

    • Despatch: Within 2 Days
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    • £3.99
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