Thompson & Morgan

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Half-hardy Annual Seeds


Sow half-hardy annuals in early spring, making sure that you protect them from frost. Plant them out after all risk of frost has passed and you'll be rewarded with delightful flowers all throughout the summer. Hint: use the selections in the left menu to narrow down your search for the perfect half-hardy annual seeds for your garden.



We have found 116 products.
 

Rudbeckia hirta 'Cappuccino'

Coneflower, Black-eyed Susan

 Customer Rating

For a fabulous focal point in borders, plant this dazzling rudbeckia! Large 15cm (6in) diameter blooms in bright shades of rusty gold with contrasting darker centres will bloom all summer long. Vigorous, well-branched and heat tolerant plants will produce stunning semi-tall flowers which are perfect for cutting.

More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £2.39

Dahlia variabilis 'Showpiece Mixed Hybrids'

Several plants from this seed have won prizes on the show bench in USA, UK, Australia and New Zealand. This breeding produces sensational miniature decorative dahlias, very double and 3-4in across of a quality normally associated only with the most carefully selected of vegetatively propagated varieties. They have straight, strong stems and are remarkably floriferous in rich, bright colours including gold, crimson, purple, apricot and many shades of red and pink. More info
    • 1 packet (35 seeds)

    • Despatch: Within 1 days
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    • £0.99

Dahlia variabilis 'Redskin'

Very double, compact free-flowering with maroon to bronze-green foliage. A particularly good combination with marigolds. Height: 30-38cm (12-15in).
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    • 1 packet (30 seeds)

    • Despatch: Within 1 days
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    • £0.99

Rudbeckia hirta 'Green Eyes'

Coneflower, Rudbeckia 'Irish Eyes', Black-eyed Susan

Unique, with pointed yellow petals and olive green eye. Well branched, good for cutting.
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    • 1 packet (500 seeds)

    • Despatch: Within 1 days
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    • £0.99

Dahlia variabilis 'Fireworks Mixed'

After over 10 years T&M's flower breeders have successfully bred the first ever striped mixture of Dahlias from seed! Spectacular dwarf free-flowering bushy plants with uniquely striped blooms which erupt into a wide range of bright and vibrant colours. Sure to create a dazzling display in borders or containers. Occasionally a solid coloured bloom may also appear. Height: 40cm (16in).
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    • 1 packet (75 seeds)

    • Despatch: Within 1 days
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    • £2.89

Dahlia variabilis 'Sunny Reggae'

  • Colour combo like no other!
From reds through apricots and oranges, Dahlia 'Sunny Reggae' boasts a colour combination like no other! Exquisite semi-double flowers each have their own unique character, some with collars of small cream petals at their centre, others with blushed petals in contrasting colours. Free-flowering from July to October, these warm Dahlia flowers are highly attractive to bees and other pollinating insects. Bushy and compact, grow dwarf Dahlias in beds, borders or containers for a long and colourful summer display. Height: 50cm (20"). Spread: 40cm (16").
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    • 1 packet (40 seeds)

    • Despatch: Within 1 days
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    • £2.79

Nicotiana x sanderae 'Perfume Deep Purple' F1 Hybrid

Tobacco Plant

 Customer Rating
This fashionable deep-purple color adds a touch of class to summer displays when planted en-masse in borders. Ideal for container plantings, as well as filling the evening air with its delicate perfume.
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    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £2.69

Rudbeckia x hirta hybrida 'Cherokee Sunset'®

Coneflower, Black-eyed Susan

As a result of over 10 years breeding and selection by T&Ms flower breeders, Rudbeckia Cherokee Sunset® was born. Never before has there been such a spectacular range of colours of fully double to semi-double Rudbeckia, with large 3-4in blooms. Shades of golden yellow, orange, bronze and mahogany make up this stunning blend that resembles the attractive colour spectrum of an Indian Sunset. Vigorous, free branching plants, with strong stems, which flower over a long period from mid summer to early autumn. Cherokee Sunset® is outstanding for adding height, colour and interest to beds, borders and large containers. Also makes an impressive cut flower. T&M are proud to be the first UK packet seed company to have an All American Selection Winning variety from its own breeding programme. This prestigious award is presented to varieties that have outstanding garden performance, quality blooms, a unique colour range and that show a significant improvement over existing varieties of the species.
More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £3.69

Aster 'Spider Chrysanthemum Mixed'

Callistephus chinensis, China Aster

An exclusive blend of Asters, with stunning blooms resembling a Spider Chrysanthemum in a dazzling mixture of colours. Excellent planted en masse in borders or used as a cut flower. More info
    • 1 packet (200 seeds)

    • Despatch: Within 1 days
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    • £2.89

Cleome hassleriana 'Helen Campbell'

Cleome spinosa, Spider Flower

Creates a bushy screen or adds height and interest to bedding displays. Her attractive, spiralling, scented sprays of flowers are sure to entice admiring glances.
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    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £2.59

Amaranthus caudatus 'Pony Tails Mixed'

Love-lies-bleeding, Tassel Flower

Delightful long, decorative tassels in red and green shades, gently swish side to side in a summer breeze. Ideal for adding height and interest to summer bedding displays. Height: 90-120cm (36-48in) More info
    • 1 packet (1000 seeds)

    • Despatch: Within 1 days
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    • £2.69

Lobelia erinus 'Mrs Clibran Improved'

Very useful for edging. Deep-blue flowers with a pretty, contrasting white eye. More info
    • 1 packet (2000 seeds)

    • Despatch: Within 1 days
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    • £2.19