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. For direct sowing take a look at our stunning range of hardy annual seeds.



We have found 116 products.
 

Nasturtium minus 'Just Peachy'

Tropaeolum minus, Indian Cress

You'll love how the delightful ruffled blooms of Nasturtium 'Just Peachy' sit well above the fresh green foliage of these neat, compact plants. The pretty blooms create a carpet of creamy peach shades that look stunning spilling from borders or containers. Grow some of these easy-to-grow hardy annuals in the vegetable plot too and use the flowers and leaves to brighten salads. Height: 20cm (8"). Spread: 35cm (14").

Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (17 nasturtium seeds)

    • Despatch: Within 1 days
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    • £0.99

Gazania 'Big Kiss White Flame' F1 Hybrid

Treasure Flower

A 'Big' addition to the 'Kiss' Gazania series. Possibly the largest-flowered bedding gazania from seed, the flowers of Gazania Big Kiss are 50% bigger than those of traditional varieties - each bloom is an amazing 12cm (4½in) in diameter! The white and rose striped petals of Gazania Big Kiss White Flame are simply stunning. Flowers all summer in a sunny garden situation - in borders or in containers on the patio. More info
    • 1 packet (15 gazania seeds)

    • Despatch: Within 1 days
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    • £3.99 £0.99

Osteospermum 'African Sun'

Dimorphotheca sinuata, African Daisy, Star of the Veldt, Dimorphotheca aurantiaca

Bushy, free-flowering plants, like a radiant sun with eye-catching golden yellow and vibrant orange bicoloured blooms. Stunning n containers as well as hot, dry borders, attracting bees and butterflies. Height: 30-45cm (12-18 inches).

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    • 1 packet (80 osteospermum seeds)

    • Despatch: Within 1 days
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    • £0.99

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 dahlia seeds)

    • Despatch: Within 1 days
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    • £2.99

Cosmos bipinnatus 'Pied Piper Red'

The only separate colour available in the Sea Shells type, with fluted, shell-like petals of velvet crimson-red. The ferny foliage helps to make this a wonderful cut flower as well as a good back of border plant.
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    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
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    • £0.99

Nasturtium 'Tom Thumb Mixed'

Tropaeolum majus, Indian Cress

Dwarf compact plants bearing brilliantly coloured single' flowers in a wide colour range. Easy plants, for beds, borders, containers and even dry sunny banks. Height 15-23cm (6-9in).

Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (40 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.29

Cosmos sulphureus 'Ladybird Mixed'

Scarlet red together with tangerine and yellow, semi-double flowers.
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    • 1 packet (35 cosmos seeds)

    • Despatch: Within 1 days
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    • £3.39 £0.99

Cosmos sulphureus 'Brightness Mixed'

 Customer Rating

Possibly the most free-flowering cosmos of this type. Dwarf and bushy plants are covered with flowers in a delightful mixture of gold, lemon, orange and red from early summer through to the autumn frosts. Spectacular when planted towards the front of annual borders or in containers.

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    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

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: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (40 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.29

Mesembryanthemum 'Sparkles Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

 Customer Rating

At last! A plant that not only tolerates, but positively thrives in dry, hot, sunny borders and rockeries! The succulent, fleshy-leaved plants cover the ground quickly, and become clothed in a rich carnival of colour all summer long.

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    • 1 packet (200 mesembryanthemum seeds)

    • Despatch: Within 1 days
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    • £1.99

Salvia farinacea 'Fairy Queen'

Mealy Sage, Mealycup Sage

Unique breeding has brought us this very visually appealing Salvia. Bushy, compact plants bear multiple spikes of attractive blue and white bicoloured flowers on distinctive dark stems. Flowers all summer and continues through to October in borders or containers. Height: 35-45cm (14-18in).
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    • 1 packet (40 salvia seeds)

    • Despatch: Within 1 days
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    • £0.99

Dahlia variabilis 'Cactus Hybrids Mixed'

 Customer Rating

Curvaceous, spiky blooms, huge cut flower source, many fully double and mostly true to type. Superb too in the flower border for late summer/autumn blooms. Flowers late summer/autumn. Height 3-4ft. Planting distance 27 inches.

More info
    • 1 packet (56 dahlia seeds)

    • Despatch: Within 1 days
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    • £0.99