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 307 products.
 

Nasturtium 'Troika Collection'

Tropaeolum

Sow directly into hanging baskets, window boxes and pots. This stunning nasturtium has been specially bred for containers, rewarding you with a glorious tumbling habit. They're so easy to grow, and will romp away all summer long with spotted blooms and marbled foliage. Mix it with your other favourite basket plants or plant it as a strong single specimen display.

This collection comprises 1 packet each of:
Nasturtium 'Troika' Orange
Nasturtium 'Troika'
Cream Height 25cm (10"). Spread: 100cm (39")

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
    • 2 packets - 1 of each variety (60 seeds in total)

    • Despatch: Within 1 days
    • SAVE *59p  
    • £4.58 £3.99

Nicotiana x sanderae 'Sensation Mixed'

Tobacco Plant

 Customer Rating

A showy and compact variety with sweetly scented flowers which stay open all day in a brilliant range of colours. Recommended. Flowers summer to autumn. Height 60-90cm (24-36in).

More info
    • 1 packet (2000 nicotiana seeds)

    • Despatch: Within 1 days
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    • £0.69

Laurentia 'Avant-Garde Blue' F1 Hybrid

Isotoma, Solenopsis axillaris

T&M's flower breeders have struck gold with the first ever F1 Hybrid Laurentia to be entered into the Fleuroselect trials. Both 'Avant-Garde Blue' and 'Pink' have the same uniform, vigorous plant habit and have earlier scented, star shaped blooms which are produced in abundance over a long flowering season. Your garden will be filled with colour all summer. Height: 25-30cm (10-12in).
More info
    • 1 packet (50 laurentia seeds)

    • Despatch: Within 1 days
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    • £2.49

Morning Glory 'Split Personality'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

Dedicated breeding has helped create an exciting new flower shape, where many of the blooms are set as perfect stars due to gentle splits between the petals. These distinct flowers are magenta pink with a white centre. A splendid climber, ideal for trelliswork, fences, poles, etc.

More info
    • 1 packet (20 morning glory seeds)

    • Despatch: Within 1 days
    •  
    • £0.69

Marigold 'Dune Mixed'

Tagetes erecta, African Marigold

From the best of British breeding this outstanding African marigold offers amazing garden and container performance, in an eye-catching mixture of yellow, gold and orange. The flowers of this superb annual have a unique petal formation which prevents excessive water being held in the blooms, making them extremely weather resistant. Superb value for money, Marigold 'Dune Mixed' is the best open-pollinated marigold available! Height and spread: 30cm (12"). More info
    • 1 packet (40 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £2.49

Dahlia variabilis 'Dwarf Mixed'

Vivid, large single and semi-double 8cm (3in) flowers. Neat, mound shaped bushes achieving a memorable main bedding display.
More info
    • 1 packet (75 dahlia seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Snapdragon

You can look forward to an extra long lasting display from this fully double snapdragon, because the flowers are so tightly ruffled that insects struggle to pollinate them. This superb variety has a basal branching habit that produces compact, bushy plants. An outstanding garden performer, Antirrhinum nanum 'Twinny Appleblossom' is perfect for filling your borders, beds and containers with pretty pastel shades throughout summer. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 1 packet (30 antirrhinum seeds)

    • Despatch: Within 1 days
    •  
    • £3.39

Antirrhinum 'Axiom Series Mixed' F1 Hybrid

Snapdragon

The highest quality Antirrhinum we have ever trialed. Long, tall flower spikes, with a strong, upright habit in a magnificent formula mixture of seven stunning colours. Ideal for adding height to borders or as a long lasting cut flower. Height: 90-110cm (36-42in) More info
    • 1 packet (30 antirrhinum seeds)

    • Despatch: Within 1 days
    •  
    • £3.79

Marigold 'Pots of Gold'

Tagetes patula, French Marigold

An exclusive blend of French marigolds, including three fiery colours - golden, striped and a fabulous vibrant red. Bushy plants produce masses of single flowers atop tall sturdy stems which have a uniform height, making them perfect for cutting. Attractive to bees and butterflies, Marigold 'Pots of Gold' makes an eye-catching addition to the middle of beds, borders and containers for a colourful and long-lasting summer display. Height: 60cm (24"). Spread: 45cm (18").

 

Culinary note: French Marigold flowers are edible.

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
    •  
    • £1.99

Zinnia 'Red Spider'

Zinnia tenuifolia

This dazzling Zinnia is sure to attract some admiring glances, as it tip toes suggestively though beds and borders. Exquisite neat and compact plants with masses of rich, scarlet flowers, with scalloped petals of the most alluring, spider like appearance. A sunny position brings to life this magical colour, which is a striking complement to any bedding display. Height: 60-75cm (24-30in). More info
    • 1 packet (50 zinnia seeds)

    • Despatch: Within 1 days
    •  
    • £2.99 £0.99

Zinnia elegans 'Candy Cane Mixed'

Excellent quality, scabious-flowered zinnia in a wide range of vivid colours including reds, pinks and oranges. Zinnia elegans Candy Cane Mixed will flower freely all summer. Ideal for cutting and will attract beneficial insects and butterflies to the garden. More info
    • 1 packet (100 zinnia seeds)

    • Despatch: Within 1 days
    •  
    • £2.39

Gazania splendens 'Frosty Kiss Mixed' F1 Hybrid

Treasure Flower, Gazania rigens

One of the best silver decorative foliage varieties available, these drought tolerant plants will be covered in a mixture of large colourful blooms. Easy to look after and providing great results, they will flower all summer in sunny borders or patio containers.

Slightly later to flower than green foliage types and drought tolerant.

More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
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    • £3.99 £0.99