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 115 products.
 

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.

More info
    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

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").

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

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    • 1 packet (25 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.69

Nasturtium 'Empress Of India'

Tropaeolum majus, Indian Cress

Deep velvety crimson flowers against dark foliage.

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

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    • 1 packet (40 nasturtium seeds)

    • Despatch: Within 1 days
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    • £0.99

Begonia x tuberhybrida 'Blackmore & Langdon's Large Flowered Picotees Mixed'

 Customer Rating
Blackmore &: Langdon have specialised in breeding tuberous begonias since 1901, and have won over 70 gold medals at the Chelsea Flower Show for their eye-catching displays. T&M are delighted to be able to offer this spectacular large flowered picotee mixture producing high quality blooms in a wide range of picotee shades perfect for growing in containers. Being a seed raised mixture you may even find an unusual colour combination never seen before! Height: 40-45cm (16-18in).

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

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    • 1 packet (20 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

Petunia x hybrida 'Super Cascade Improved' F1 Hybrid

 Customer Rating
The first fully integrated petunia mixture. For hanging baskets, containers and walls. The Super Cascades are much freer flowering and will cascade in 8 different colours - blue, white, pink, blush, cerise, salmon, scarlet and violet from a formula blending of seed. Weather tolerance, heat and wet, is excellent, they bloom from planting out to frost and have good drought tolerance. Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer.
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    • 1 packet (90 petunia seeds)

    • Despatch: Within 1 days
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    • £3.99

Petunia hybrida grandiflora 'Superbissima'

 Customer Rating
The largest Petunia flowers we have ever seen, bred on from those available over 100 years ago! Robust plants produce huge 10-15cm (4-6in) wide exotic looking frilly blooms, in an attractive mixture of pinks, reds and purples, each with rich veining and attractive dark eyes. An eye-catching addition to borders or containers. Height: 30-35cm (12-14in). Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer.
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    • 1 packet (50 petunia seeds)

    • Despatch: Within 1 days
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    • £0.99

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: Some parts of these flowers are edible. 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

Begonia x tuberhybrida 'Scentsation Mixed' F1 Hybrid

The very first fragrant Begonia from seed! These vigorous plants produce wonderful, double to semi-double, pastel-coloured flowers and are stunning grown in individual pots or mixed containers. On damp mornings and sunny days, your garden will be filled with a delightful medley of fragrances from fresh lemon to a soft rose scent. This T&M New and Exclusive is sure to sell out, so place your order fast!

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

More info
    • 1 packet (50 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

Aster 'Milady Mixed'

Callistephus chinensis, China Aster

Excellent for bedding , these plants are robust, bushy and very wilt resistant. Well formed, globular, weather resistant flowers in blue, pink, rose, rose-red and white are produced over a long period. Useful as a summer flowering pot plant, for window boxes etc. More info
    • 1 packet (150 aster seeds)

    • Despatch: Within 1 days
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    • £2.99

Nasturtium majus 'Cream Troika'

Tropaeolum

Enjoy this marvellous trailing nasturtium in your containers and baskets this season. It's easy to grow and will produce masses of beautiful cream flowers, delicately highlighted with spotted centres. The marbled foliage of Nasturtium 'Cream Troika' will also add further interest as it tumbles in abundance from baskets, reaching up to 1m (39inches) in length! It can also be used as groundcover to weave in amongst your other plants and create further interest. Height: 20cm (10"). Spread 100cm (39"). More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.29

Petunia milliflora 'Fantasy' F1 Hybrid

Petunia "Fantasy" has a habit which is not just a miniature but also compact. In fact they are 36 per cent the size of normal multiflora types and it means that plants don't become straggly and untidy but remain neat and uniform. This beautiful formulated mixture comes in a wide range of colours. They are highly floriferous with outstanding garden performance in most conditions and look a real knock-out in containers, baskets and border edging. Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer. More info
    • 1 packet (75 petunia seeds)

    • Despatch:
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    • £0.99
    • Out of stock

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: Some parts of these flowers are edible. 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