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 390 products.
 

Pansy 'Chalon Supreme Wildberry Mixed'

Viola x wittrockiana

A stunning mixture of large ruffled flowered pansies in a dazzling wild berry blend of purple picotees and rose shades. Bushy compact plants flower over a long period brightening autumn, spring or summer containers. Spring sowings will give flowers during early summer, whilst summer and autumn sowings will bloom the following winter or spring.


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

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
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    • £2.69

Canna indica 'T&M Hybrids'

Indian Shot Plant

 Customer Rating
Shades of yellow, red and cream with pretty bronze or green foliage. Sow early.
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    • 1 packet (15 seeds)

    • Despatch: Within 3 days
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    • £0.99

Hollyhock 'Fiesta Time'

Alcea rosea, Althaea rosea

A beautiful, cottage garden favourite which will flower quickly from seed in its first year. Robust, dwarf plants produce stout stems which carry wonderful, double, cerise-pink, fringed blooms from mid to late summer. Very impressive when planted together in small groups in borders or try planting in large containers for a gorgeous patio display of hollyhocks!

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

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    • 1 packet (35 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Foxglove 'Summer King'

Digitalis x mertonensis

 Customer Rating

Commonly known as the Strawberry Foxglove. This very compact variety produces neat flower spikes with huge, eye-catching strawberry-rose bells. A vigorous variety which is sure to make any early season garden shine, as well as attracting nectar-loving bees. Digitalis Summer King is a naturally occurring cross between the yellow-flowered Digitalis grandiflora and lavender-rose-flowered Digitalis purpurea.

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    • 1 packet (80 seeds)

    • Despatch: Within 3 days
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    • £1.99

Foxglove 'Alba'

Digitalis purpurea f. albiflora, Digitalis purpurea 'Alba'

Marvellous large pure white spikes, a rare and unusual colour. Magnificent in the border in sun or part shade and very useful as a cut flower. Flowers early summer.
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    • 1 packet (150 seeds)

    • Despatch: Within 3 days
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    • £2.69

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 3 days
    •  
    • £2.69

Foxglove 'Camelot Cream' F1 Hybrid

Digitalis

The first ever F1 Hybrid Foxglove! Spectacular plants that reliably flower in the first year, with another heavy flush of flowers in the second year. Uniform plants with high quality flower spikes in a rich carousel of colour as the speckled, jewel-like blooms open all around the stout stems, giving more impact than ever before! Ideal for shady beds and borders. Prefers any well-drained soil in part shade. Height: 90-120cm (3-4ft). More info
    • 1 packet (18 pellets)

    • Despatch: Within 3 days
    •  
    • £2.99

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.
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    • 1 packet (22 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Pansy 'Padparadja' F2 Hybrid

Viola x wittrockiana

So intense is the effect of its solid orange blooms, it is unlikely there is anything to match it.

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 3 days
    •  
    • £0.99

Scabious 'Beaujolais Bonnets'

Scabiosa, Pincushion Flower

An attractive first year flowering perennial, producing bushy plants with clusters of wiry stems clothed in unusual rich burgundy flowers with contrasting paler outer petals and white stamens. Ideal for attracting butterflies to your borders or containers. Height: 50-60cm (20-24in).
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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £3.29

Meconopsis baileyi 'Hensol Violet'

Himalayan Blue Poppy, Tibetan Blue Poppy, Meconopsis betonicifolia

Indulge yourself by growing this rare, mauve form of the exquisite Himalayan Blue Poppy. Scintillating, silky blooms aloft downy foliage give an absolutely breathtaking effect when planted in groups in shady borders and woodland areas. A collector's item for the border. Prefers a deep, moist, loamy soil in part shade. More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £2.99

Agastache hybrida 'Astello Indigo'

  • 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 3 days
    •  
    • £2.99