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 75 products.
 

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.

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

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    • 1 packet (30 seeds)

    • Despatch: Within 3 days
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    • £2.49

Nasturtium 'Phoenix'

Tropaeolum minus, Indian Cress

Curious split petals make the flame-like flowers of Nasturium ‘Phoenix’ particularly eye catching. Prolific and free flowering, the blooms are produced in abundance in beautiful fiery shades of gold, orange and red. Like all Nasturtiums, it’s easy to grow. Let its bushy stems spill from hanging baskets and window boxes or create a carpet of colour in beds and borders. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (25 nasturtium seeds)

    • Despatch: Within 3 days
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    • £2.49

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 3 days
    •  
    • £2.99

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.
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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.99

Morning Glory 'Heavenly Blue'

Ipomoea tricolor, Ipomoea rubrocaerulea

 Customer Rating
Gorgeous sky blue flowers, up to 6cm (2½in) across that open in the morning, appear throughout summer on this free-flowering, elegant climber. Also suitable for greenhouse or conservatory growing. Prefers a sunny, sheltered, warm site; Beautiful climber ideal for warm site trellis, fences, poles, etc.
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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Dahlia variabilis 'Giant Hybrids Mixed'

 Customer Rating

Huge flowered, double, semi-double and a few singles of the best cut flower varieties. Height: 90-150cm (3-5ft).

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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £2.99

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 3 days
    •  
    • £2.09

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 3 days
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    • £2.09

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

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.
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    • 1 packet (2000 seeds)

    • Despatch: Within 3 days
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    • £2.69

Dahlia variabilis 'Pompone Mixed'

 Customer Rating

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

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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.99

Thunbergia alata 'Superstar Orange'

Black-eyed Susan

 Customer Rating
A stunning bright orange Black-Eyed Susan with the largest flowers we have ever seen on a seed raised Thunbergia. Vigorous plants quickly cover a trellis against a sunny fence, or look spectacular growing up an obelisk in a container.
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    • 1 packet (12 seeds)

    • Despatch: Within 3 days
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    • £3.99