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 70 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.
More info
    • 1 packet (50 petunia seeds)

    • Despatch: By end of August 2016
    •  
    • £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: By end of August 2016
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    • £3.99 £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: By end of August 2016
    •  
    • £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: By end of August 2016
    •  
    • £3.49

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 dahlia seeds)

    • Despatch: By end of August 2016
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    • £2.99

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: By end of August 2016
    •  
    • £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: By end of August 2016
    •  
    • £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: By end of August 2016
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    • £0.99

Begonia x tuberhybrida 'Show Angels Mixed' F1 Hybrid

These exquisite begonias are the premier basket and container plant. With pendulous habit and an abundance of large, mostly fully double flowers, the selection contains some delightful picotees. They flower early, are uniform with vigour, and have good mildew resistance. Well worth the money! 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 (40 begonia seeds)

    • Despatch: By end of August 2016
    •  
    • £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: By end of August 2016
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    • £0.99

Gazania splendens 'Kontiki Stars & Stripes' F1 Hybrid

Treasure Flower, Gazania rigens

With striking stripes similar to Gazania Tiger Stripes, this remarkable variety offers more colour tones as well as some spotted types. Very free flowering and eye-catching in borders or containers, this beautifully balanced blend of pink, magenta, gold, purple, mahogany and cream will complement any garden.

More info
    • 1 packet (20 gazania seeds)

    • Despatch: By end of August 2016
    •  
    • £3.99 £0.99

Begonia 'Pink Showers'

Begonia x weltoniensis

Showers of petite, rose-pink single flowers with pretty yellow centres hang in clusters against an attractive backdrop of unusual maple-like foliage. Begonia 'Pink showers' is particularly free flowering, blooming constantly throughout summer and well into autumn. This stunning trailing begonia makes a magnificent display in containers or spilling from hanging baskets and window boxes. Height: 25cm (10"). Spread: 60cm (24"). More info
    • 1 packet (20 begonia seeds)

    • Despatch: By end of August 2016
    •  
    • £3.49 £0.99