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 40 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.

Useful links:

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
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.

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    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.69
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
    •  
    • £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
    •  
    • £1.99
Nasturtium 'Whirlybird Mixed'

Nasturtium 'Whirlybird Mixed'

Tropaeolum majus, Indian Cress
Low mounds covered with a mass of bloom. The semi-double flowers are carried well above the foliage and face upwards so all are visible. Mixture of cherry, rose, gold, mahogany, orange, scarlet, tangerine and cream. Ideal for bedding, borders, tubs, containers etc. Flowers can be cut for unusual floral decorations.

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

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    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Nasturtium 'Climbing Mixed'

Nasturtium 'Climbing Mixed'

Tropaeolum majus, Indian Cress
These long-flowering vigorous climbing plants look spectacular when trained over walls, fences and hedges. They lack tendrils, but will scramble happily over trellis work, sheds, fences etc. Flowers summer-autumn. Climber.

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

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    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99
Dahlia Variabilis Dwarf Mixed

Dahlia variabilis 'Dwarf Mixed'

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

    • Despatch: Within 2 Days
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    • £2.49
Nicotiana Sylvestris

Nicotiana sylvestris

Tobacco Plant, Woodland Tobacco
 Customer Rating
This imposing half hardy annual has stout spikes bearing a cascading head of fragrant 3½in long white blooms. It grows to a height of 90-120cm (36-48in) making it an excellent subject for the border. Occasionally a short lived perennial in a warm sheltered site. More info
    • 1 packet (2000 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Dahlia Variabilis Pompone Mixed

Dahlia variabilis 'Pompone Mixed'

 Customer Rating

Almost 100% pompon. Height: 90-120cm (3-4ft).

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    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
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    • £2.79
Nasturtium 'Milkmaid'

Nasturtium 'Milkmaid'

Tropaeolum majus, Indian Cress
An almost white Nasturtium, featuring delicate blooms in captivating moonlit shades, the closest to white ever. Use this soft contrast in your beds, borders and containers for continuous summer colour. Easy to grow in a range of situations.

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 2 Days
    •  
    • £2.69
Dahlia Variabilis Double Extreme

Dahlia variabilis 'Double Extreme'

Extremely attractive dwarf selection, producing a mass of high quality double and semi double flowers in an rich colour mixture, featuring some unique sunset shades. A stunning addition for beds, borders or containers, providing colour throughout the summer. Height: 45-60cm (18-24 inches). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Dahlia Variabilis Redskin

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). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.49