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 12 products.
 

Cosmos bipinnatus 'Rubenza'

 Customer Rating
Wonderfully easy-to-grow plants which flower all summer until the first frosts. The dark, ruby-red blooms of Cosmos bippinatus Rubenza change to a lovely traditional rose red as they mature - their outstanding colour has earned them a Fleuroselect Novelty award. Cosmos bippinatus Rubenza shows excellent garden performance, especially planted in borders in drifts.
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    • 1 packet (60 seeds)

    • Despatch: Within 3 days
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    • £2.99

Cosmos bipinnatus 'Sweet Sixteen'

 Customer Rating

Eye-catching soft blushed pink blooms, each have distinct darker pink picotee edges and an attractive double frill in the centre of each flower. Cosmos Sweet Sixteen is ideal for adding height and interest to borders as well as making an intriguing cut flower.

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    • 1 packet (70 seeds)

    • Despatch: Within 3 days
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    • £2.99

Cosmos bipinnatus 'Double Click'

The best quality, award winning, double and semi double mixed Cosmos ever! A colourful blend, including rosy-red, white and pink shades. Ideal planted in small drifts, adding height and colour to cottage and annual borders. Height: 90-100cm (36-40 inches).
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    • 1 packet (75 seeds)

    • Despatch: Within 3 days
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    • £2.99

Cosmos bipinnatus 'Psyche White'

Glistening pure white semi-double and single, large, wavy, upright blooms stand proud above deep green ferny foliage. Flowers non-stop from mid summer until autumn adding height and interest to borders, or as a striking cut flower.
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    • 1 packet (75 seeds)

    • Despatch: Within 3 days
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    • £2.69

Dahlia variabilis 'Dwarf Mixed'

Vivid, large single and semi-double 8cm (3in) flowers. Neat, mound shaped bushes achieving a memorable main bedding display.
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    • 1 packet (75 seeds)

    • Despatch: Within 3 days
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    • £2.69

Cleome hassleriana 'Colour Fountain Mixed'

Cleome spinosa, Spider Flower

Bushy, screen, or border plant with spiralling scented sprays in pink, rose, lilac, purple, carmine and white.
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    • 1 packet (200 seeds)

    • Despatch: Within 3 days
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    • £2.39

Cosmos bipinnatus 'Double Click Rose Bonbon'

Following the amazing success of Double Click Mixed, this is the first straightcoloured, high-quality, fully-double Cosmos from seed to be introduced! The spectacular, rose pom-pom flowers sit proudly on top of strong stems, making Double Click Rose Bonbon a 'must' for adding height to summer borders and an imposing and rarely-seen cut flower. Height: 60-90cm (2-3 feet).
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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £2.99

Cosmos bipinnatus 'Double Click Snow Puff'

The spectacular white, pom-pom flowers with a delicate hint of blushed pink of Cosmos Double Click Snow Puff sit on sturdy stems making this latest colour in the 'Double Click' series. Makes an excellent cut flower as well as adding height and interest to borders all summer.
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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.99

Cosmos bipinnatus 'Double All Sorts Mixed'

This wonderful mixture contains a full range of flower forms and colours and includes much-sought-after picotees and stripes. An easy-to-grow annual which will flower all summer and its height means that it will make a superb backdrop to your borders or a long-lasting and pretty addition to flower arrangements! Height: 100-120cm (40-48in).
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    • 1 packet (100 seeds)

    • Despatch: Within 3 days
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    • £2.49

Cosmos bipinnatus 'Versailles Tetra'

Whether in the border, cottage garden or at the back/centre of a summer bedding display, Versailles Tetra will not disappoint you. The exquisite slate-pink, 10cm (4in) flowers have a deep red zone towards the centre with a bright yellow eye. They flower over a long period and may be used as bright, cut flowers for the house. An excellent variety. Flowers summer. Height 91cm (36in)
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    • 1 packet (100 seeds)

    • Despatch: Within 3 days
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    • £2.69

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 3 days
    •  
    • £2.39

Cosmos bipinnatus 'Double Click Trio'

Double Click Trio comprises 1 packet each of:
Cosmos 'Double Click' Mixed - stunningly vivid blooms, each with a double row of unusually fluted petals, range in colour from rosy-red to white and pink shades.
Cosmos Double Click 'Rose Bonbon' - spectacular, rose-pompom flowers sit proudly on top of strong stems, making Double Click Rose Bonbon a 'must' for adding height to summer borders.
Cosmos Double Click 'Snow Puff' - spectacular white, pompom flowers with a delicate hint of blushed pink.
More info
    • 3 packets - 1 of each variety (165 seeds in total)

    • Despatch: Within 3 days
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    • £7.49