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.
 

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

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: Add the bright coloured petals to sandwiches or salads for a light lemon taste and crisp texture. For more details about edible flowers click here.

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    • 1 packet (50 begonia 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

Marigold 'Crackerjack Mixed'

Tagetes erecta, African Marigold

Big, bold double flowers in orange, gold and lemon borne well above the foliage. A very early and free flowering strain Flowers summer. Height 24in.

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    • 1 packet (250 marigold seeds)

    • Despatch: Within 1 days
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    • £1.99

Antirrhinum pendula multiflora 'Chinese Lanterns' F1 Hybrid

Snapdragon

Trailing. A breeding triumph: cascading Antirrhinums! In a mixture of seven colours, including pure colours and bicolours, the "Snapdragon" flowers are borne on self branching, vigorous plants. Ideally made for hanging baskets, containers and window boxes. More info
    • 1 packet (20 antirrhinum 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.

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    • 1 packet (40 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.49

Antirrhinum majus 'Snappy Mix'

Antirrhinum majus, Snapdragon

New breeding has brought about the best bicolour snapdragon range we have ever seen. This vibrant mix offers a really long flowering period for truly eye-catching displays in beds and containers. The short height makes them ideal for front of borders and window box displays. Height and Spread: 25cm (10"). More info
    • 1 packet (50 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £2.49

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: Within 1 days
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    • £0.99

Cineraria 'Dwarf British Beauty Mixed'

Pericallis x hybrida, Cineraria cruentus, Cineraria x hybrida, Florists' Cineraria, Senecio x hybridus

 Customer Rating
Neat plants with a rounded and graceful habit, in a brilliant, range of colours. An economical way of producing early spring flowering pot plants as they need little more than frost exclusion, Winter temperatures should not exceed 13C (55F) and can be as low as 7C (45F). Flowers spring onwards. Height/Spread: 25/25cm (10/10in).
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    • 1 packet (40 cineraria seeds)

    • Despatch: Within 1 days
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    • £3.69 £0.99

Petunia 'Grand Rapids Mixed' F1 Hybrid

A first class variety for bedding, hanging baskets and tubs. Bred with emphasis on seedling vigour and uniformity, the plants have a good free flowering habit and look superb en masse. The flowers are large with most of the colours in the range having attractive veining, which gives more substance to the flowers and enables them to recover more quickly after bad weather. Flowers summer to first frost. Height: 30cm (12in).

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    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £2.99

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

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
    •  
    • £2.49