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 254 products.
 

Cucamelon 'Melothria'

Melothria scabra, Mexican gherkhin, Mouse Melon

  • This year's must-have, decorative, fruiting climber, ideal for planters

If you want to be on trend in the kitchen and in the garden, join top chefs and celeb gardeners by putting the unusual fruits of cucamelon on your menu this season. This easy to grow fruiting climber performs strongly on a sunny patio or border and even better in the greenhouse, producing heavy crops of mini melon fruits tasting of cucumber with a twist of lime! Eat the grape-sized fruits fresh from the vine all through summer, but do try to save some for salads, salsas and pickles!


The vigorous decorative foliage makes this lush climber truly dual purpose - grow this trendy patio fruit on an ornate obelisk and make it a talking point feature of your summer garden. For maximum fruit production, stop main stems at 2.4m (8ft) and trim back all side shoots to 45cm (18"). Height: 2.4m (8ft). Spread: 50cm (20").
More info
    • 1 packet (20 cucamelon seeds)

    • Despatch: Within 1 days
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    • £1.99

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: 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

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

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

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

Marigold 'Striped Marvel'

Tagetes patula, French Marigold

Raised by a Scottish T&M customer. We are delighted to introduce such a refreshing break in colour. Each petal is evenly divided by a red and yellow stripe and this produces a thoroughly eye-catching effect. The bushy, uniform plants produce masses of flowers, excellent for bedding and particularly good for cutting, lasting well in water. Occasional all yellow bloom produced through climate stress. Height: 60-75cm (24-30in).

Culinary note: The citrus tasting flowers have many uses, try them in salads, sandwiches or seafood dishes too. For more details about edible flowers click here.

More info
    • 1 packet (100 marigold seeds)

    • Despatch: Within 1 days
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    • £1.99 £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.

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    • 1 packet (25 morning glory seeds)

    • Despatch: Within 1 days
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    • £0.69

Lobelia erinus 'Blue Wings'

On T&M's trials we believe we have found the largest flowered bedding lobelia available. Exceptionally abundant cobalt blue flowers cover compact mounds of foliage. With superb weather resistance Lobelia 'Blue Wings' makes a sparkling addition to beds, containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 15cm (6"'). Spread: 20cm (8"'). More info
    • 1 packet (1000 lobelia seeds)

    • Despatch: Within 1 days
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    • £0.99

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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    • £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

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