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 96 products.
 

Zinnia marylandica 'Double Zahara Strawberry'

Boasting an exceptionally long flowering period, we believe Zinnia 'Double Zahara Strawberry' to be the best double, dwarf Zinnia on the market. Large, fully double blooms in a vivid strawberry colour are produced in abundance on compact, low-growing plants. With good heat and drought tolerance and excellent disease resistance, these exciting annuals need little maintenance to put on a fabulous display. Height and spread: 45cm (18"). More info
    • 1 packet (12 zinnia seeds)

    • Despatch: Within 1 days
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    • £3.79

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.
More info
    • 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.

More info
    • 1 packet (50 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid

Giant, fully double flowers of burgundy or plum veined, often more than 10cm (4in) across! Add to this its cascading habit and you have one of the very best basket and container plants creating a waterfall of pleated powderpuffs all summer long. Height: 23-30cm (9-12in). 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.Click here to buy now. More info
    • 1 packet (25 petunia seeds)

    • Despatch: Within 1 days
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    • £3.69 £0.99

Morning Glory 'Milky Way'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

A glorious climber which is free flowering and self clinging. Spreading pure elegance wherever it should wander. Milky Way features the purest white blooms flanked by rich maroon striping. Vigorous and ideal for quick effect. Height: 120-180cm (4-6ft).

CAUTION : Seeds are very poisonous.

More info
    • 1 packet (25 morning glory seeds)

    • Despatch: Within 1 days
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    • £0.69

Rhodochiton atrosanguineum

Purple Bell Vine

Extremely beautiful rapid growing climber that starts flowering in June and continues until killed by frost. Delightful parasol-shaped fuchsia pink calyx with black/purple to crimson 2½in flowers within. Sunny pergolas, porches, walls. Flowers mid summer to autumn. More info
    • 1 packet (10 rhodochiton atrosanguineum seeds)

    • Despatch: Within 1 days
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    • £3.99 £0.99

Begonia x tuberhybrida 'Nonstop® Rose Petticoat' F1 Hybrid

Without doubt, a fantastic new colour to the 'Non-Stop®' series. Large,10cm (4in) eye-catching, deeply frilled, fully double blooms of white with a deep rose picotee. Height: 20-25cm (8-10in).

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.

More info
    • 1 packet (25 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

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

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).
More info
    • 1 packet (40 cineraria seeds)

    • Despatch: Within 1 days
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    • £3.69 £0.99

Petunia x hybrida 'Diamond Pearly Shades' F1 Hybrid

Petunia x hybrida 'Diamond Pearly Shades' is the first large-flowered, trailing petunia from seed. With outstanding garden performance and exceptional weather resistance, this pearly pink stunner will outperform more expensive, cutting-raised surfinia petunias. Enjoy masses of 8cm (4") diameter blooms on long stems that look fabulous in baskets and containers or spreading through beds and borders as ground cover. Height: 20cm (8"). Spread: 80cm (31"). More info
    • 1 packet (12 petunia seeds)

    • Despatch: Within 1 days
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    • £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).

More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £2.99