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 30 products.
 

Dianthus 'Rainbow Loveliness Improved Mixed'

Carnation, Pink

Years of selection means that we're now able to offer customers this very pretty and unusual-looking Dianthus. Unique blooms with deeply cut petals give Dianthus 'Rainbow Loveliness Improved Mixed' a soft, feathery appearance. These pretty, eye-catching pinks have a strong, sweet fragrance that makes them a delightful cut flower for a vase indoors. Compact and hardy, they will quickly form attractive clumps at the front of borders, or try planting them in containers for a low maintenance display on the patio. Dianthus 'Rainbow Loveliness Improved Mixed' will flower in its first year if sown by the end of February. Height and spread: 30cm (12").


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

More info
    • 1 packet (30 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

Dianthus superbus 'Crimsonia'

Carnation, Pink

Deliciously fragrant! Rich crimson, deeply-cut, large fringed petals, filling the air with their sweet perfume. A first year flowering perennial, which Is very hardy, neat and compact, with outstanding garden performance. Ideal in borders, containers or as a cut flower. Height: 38-50cm (15-20in).

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

More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Wallflower 'My Fair Lady Mixed'

Erysimum cheiri, Cheiranthus

A neat, uniform free flowering strain. Soft, fragrant colours; lemon, cream, gold, apricot, purple, pink, salmon, rose and mahogany. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height: 37-45cm (15-18in).
More info
    • 1 packet (400 seeds)

    • Despatch: Within 3 days
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    • £2.69

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.
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    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £3.19

Viola 'Allspice Mixed'

Viola x wittrockiana, Pansy

A spectacular trailing viola offering a breath-taking variety of flower colour and form with a wonderful range of fragrances too! You'll have fun picking out the individual scents as each flower colour has its own distinctive perfume. Plant up Viola 'Allspice Mixed' in hanging baskets, window boxes and flower Pouches® and position them by a front door or kitchen window for an explosion of colour and fragrance throughout spring. Trails to: 30cm (12”).

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

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Wallflower 'Sugar Rush' F1 Hybrid

Erysimum, Cheiranthus

  • Best New Bedding Plant at the Grower of the Year Awards 2013

Winner in the ‘Best New Bedding Plant’ category at the Grower of the Year Awards 2013, this is one of the most exciting wallflowers to emerge in recent years. Dense, fragrant flower spikes in shades of cream, yellow, red and purple appear not only in the spring, but throughout the autumn too, blooming just 10 weeks after sowing! With a delightful sweet fragrance and compact, multi-branching habit, Wallflower ‘Sugar Rush’ is perfect for beds, borders, containers and window boxes, creating a mass of colour and scent when much of the garden is dormant. Versatile and undemanding, wallflowers are tough enough to cope in even the poorest soils. Height and spread: 30cm (12").

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Lord Anson's Pea

Lathyrus nervosus, Sweet Pea

A highly desirable and sought after half hardy perennial with handsome, clear blue sweet pea flowers on completely wingless stems. The scentless blooms of Lathyrus nervosus are produced in profusion throughout summer, beautifully complimented by leathery grey-green foliage. Lord Anson’s Pea has a sprawling bushy habit that makes it ideal for weaving through shrubs or romping over low walls and hedges. Height: 120cm (48"). Spread: 30cm (12"). More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Dianthus plumarius 'Sweetness Mixed'

Carnation, Pink

A true breakthrough! First year flowering from July to September from an early (February) sowing, producing heavily scented pinks. Dwarf, bushy, spreading plants; ideal for cottage or perennial borders. Easy to maintain - simply trim spent blooms with shears at the end of the season.


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
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    • £2.39

Verbena rigida

Verbena venosa, Veined Verbena, Glandularia

Dense 5cm (2in) clusters of purple fragrant flowers and dark green leaves. Adds height and interest to bedding displays. Lift tubers in autumn. Height: 30-60cm (1-2ft).
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    • 1 packet (150 seeds)

    • Despatch: Within 3 days
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    • £2.59

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 3 days
    •  
    • £2.69

Cyclamen persicum grandiflorum 'Scentsation Mixed'

Florist's Cyclamen, Persian Cyclamen

Lingering Freesia-like fragrance of one plant can fill a room. More info
    • 1 packet (10 seeds)

    • Despatch: Within 3 days
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    • £0.99