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 20 products.
 

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
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    • £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).
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    • 1 packet (400 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

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

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
    •  
    • £2.39

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

Pansy 'Singing the Blues'

Viola x wittrockiana

This mixture of four enchanting colours, in shades and contrasts of blue, are not just pretty but the most sensational breakthrough in Violas for a decade. They were specifically bred for containers, baskets and ground cover, possessing a unique trailing habit. Above all they are wonderfully fragrant with a gorgeous, pervading sweet scent. Flowers appear in abundance and because they are tolerant to cold and heat, they can be grown all year round. Height: 2-3in Flowers spring/summer.


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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £0.69

Snail Vine

Vigna caracalla, Phaseolus caracalla, Snail Flower, Snail Bean, Corkscrew Flower

 Customer Rating
This quick growing, evergreen twining climber is a close relative to the runner bean, grown for its pendants of twisted flowers, like coiled snail shells, up to 5cm (2”) across. The fascinating summer flowers are followed by cylindrical green fruits in late autumn. Requiring a minimum temperature of 15°C (59°F), Vigna caracalla is best grown in patio containers that can be moved indoors to a heated greenhouse or conservatory for the winter. Alternatively, grow snail vines outdoors as an annual. Height: 6m (20'). Spread: 2m (6').
More info
    • 1 packet (4 seeds)

    • Despatch: By end of February 2015
    •  
    • £0.99

Lavender 'Mini Blue'

Lavandula angustifolia, English Lavender

A delightful dwarf lavender flowering in its first year from an early sowing! Compact, rounded plants quickly become smothered with masses of highly fragrant, deep purple lavender flowers from mid-summer onwards, which are highly attractive to bees. With impressive garden performance, Lavender 'Mini Blue' is ideal for growing in containers or used as a neat evergreen edging to beds and borders. Height: 30cm (12"). Spread: 35cm (14").


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


Useful links:

Gardening news: Top 10 evergreen shrubs

More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Agastache foeniculum 'Golden Jubilee'

Anise Hyssop, Agastache rugosa, Agastache anisata, Agastache anethiodora

Attractive, golden-green foliage with a distinct aniseed fragrance, making a vibrant contrast to the compact lavender-blue flower spikes. Adds interest to borders and containers, as well as attracts wildlife to your garden. Fragrant and excellent in borders or containers.

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
    •  
    • £0.99

Dianthus caryophyllus 'Giant Chabaud Mixed'

Wild Carnation

The fragrance and the range of colour is very good. Double beautifully scented, fringed flowers.

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
    •  
    • £2.49