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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 138 products.
 
Nasturtium 'Crimson Emperor'

Nasturtium 'Crimson Emperor'

Tropaeolum majus, Indian Cress
Masses of deep crimson blooms with golden yellow throats cover the lax, sprawling stems of this vigorous variety. The semi-trailing habit and lush green foliage make Nasturtium ‘Crimson Emperor’ an ideal choice for summer groundcover. Perfect covering banks, filling beds and borders or spilling from baskets and patio containers. Height: 30cm (12"). Spread: 200m (78").

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

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Press release: Chance find becomes Thompson & Morgan's Flower of the Year

 

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    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Antirrhinum Majus Royal Bride

Antirrhinum majus 'Royal Bride'

Snapdragon
A wonderful antirrhinum of top quality. Stately plants with rich green foliage and spikes of large, purest white snap dragon flowers which have a rare, gorgeous fragrance. Superb for contrast in the border and makes an excellent cut flower. More info
    • 1 packet (500 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Childrens - Nasturtium Jewel Of Africa

Nasturtium 'Jewel of Africa'

Tropaeolum majus, Indian Cress
T&M own breeding. At last! Variegated climbing Nasturtiums. Available in a balanced mixture of yellows, reds, creams and peach/pinks with foliage which is attractively marbled and striped with cream, against a light green background. They make fantastic, dramatic container and basket plants or simply use them for effective ground cover. They also look good trailing and climbing over conifers, hedges and short walls. Please Note: Occasionally some plants produce pure green foliage, many but not all will develop variegation at a later stage.

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 2 Days
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    • £2.69
Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Snapdragon
  • NEW in 2013
You can look forward to an extra long lasting display from this fully double snapdragon, because the flowers are so tightly ruffled that insects struggle to pollinate them. This superb variety has a basal branching habit that produces compact, bushy plants. An outstanding garden performer, Antirrhinum nanum 'Twinny Appleblossom' is perfect for filling your borders, beds and containers with pretty pastel shades throughout summer. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Cosmos Bipinnatus Gazebo Mixed

Cosmos bipinnatus 'Gazebo Mixed'

 Customer Rating
A mid-height, easy to grow annual with well branched plants which come into flower earlier than most varieties. The attractive fern-like foliage is crowned with many large blooms of velvet red, rose-pink and pure white. An ideal border filler, or simply use in a large container or as a bedding plant. Flowers summer. Height: 60cm (24in). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Cosmos Bipinnatus Sensation Mixed

Cosmos bipinnatus 'Sensation Mixed'

 Customer Rating

A tall, upright variety for the back of sunny borders. Cosmos ‘Sensation Mixed’ produces masses of daisy-like flowers above delicate ferny foliage throughout summer and autumn. The strong stems and long lasting flowers of this easy to grow annual make it perfect for cutting. This fabulous mix contains a superb range of colours including white, pink and carmine. Height: 120cm (47”). Spread: 60cm (24”).

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    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
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    • £2.09
Dahlia Variabilis Bishop's Children

Dahlia variabilis 'Bishop's Children'

A fiery mix of such striking colour, yet with the innocent flower faces of Bishop's Children. Mid-height, and blends extremely well into borders. However, be warned that a colour eruption may occur! Spectacular in bedding and containers, and as a cut flower.Height: 60-75cm (24-30 inches). Planting distance 12-18 inches. More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Zinnia Elegans Purple Prince

Zinnia elegans 'Purple Prince'

 Customer Rating

Outstanding in Thompson & Morgan trials, these robust plants show excellent garden performance, flowering over a long period and producing an abundance of fully double, deep pink-purple, dahlia-like flowers. This is a taller-than-usual variety of zinnia which will add colour and height to border displays as well as to cut flower arrangements. Zinnia Purple Prince will flower all summer until the first frosts, attracting bees and butterflies as well as the admiration of your neighbours!

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    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Zinnia elegans 'Pop Art Golden & Red'

Zinnia elegans 'Pop Art Golden & Red'

  • NEW in 2013
  • Fleuroselect Approved Novelty
This magnificent variety is a worthy winner of its Fleuroselect Novelty award. The large golden blooms, carried on tall stems, are flecked and splashed with intricate red markings, making each bloom completely unique. These long lasting zinnia flowers are particularly attractive to butterflies and make a superb cut flower too. Zinnia elegans 'Pop Art Golden & Red' is perfect for creating an eye catching splash of colour in beds and borders. Height: 60cm (24"). Spread: 30cm (12"). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Cosmos Bipinnatus Rubenza

Cosmos bipinnatus 'Rubenza'

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. More info
    • 1 packet (60 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Dahlia variabilis 'Starlight Mixed' - Part of the Alan Titchmarsh Collection

Dahlia variabilis 'Starlight Mixed' - Part of the Alan Titchmarsh Collection

 
  • NEW in 2013
Dahlia 'Starlight Mixed' produces fabulous, windswept blooms in every colour of the rainbow. A nice, distinct dahlia for bedding or for planting in big groups in patio pots. Height and spread: 40cm (16"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Cosmos Bipinnatus Sweet Sixteen

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 2 Days
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    • £2.99