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 308 products.
 

Marigold 'Durango Bee' F1 Hybrid

Tagetes patula, French Marigold

A luxuriant variety with intense, rich, orange and yellow anemone-like flower heads, borne on branching, uniform plants. Exceptionally early flowering with outstanding garden performance. Height: 20-25cm (8-10in).

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 (40 marigold seeds)

    • Despatch: Within 1 days
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    • £2.69

Marigold 'Konstance'

Tagetes patula x erecta, Afro-French Marigold

Large, double mahogany blooms smother this fabulous Afro-French Marigold from midsummer right through to the autumn. Marigold 'Konstance' proved to be quite outstanding in T&M's trials, combining the superb garden performance, resilience, and weather resistance of its French parentage with the showy blooms from its African lineage. These bushy little plants are neat and robust - just perfect for filling beds and containers or edging borders with long lasting colour. Height and spread: 35cm (14").

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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    • £2.29

Laurentia 'Stargazer Mixed'

Isotoma axillaris, Solenopsis axillaris

 Customer Rating
Attractive domes of fine foliage burst into colour with five-petalled evening-scented flowers. Superb in baskets, containers and Flower Pouches®. Sow before the end of January for flowers from July onwards.
More info
    • 1 packet (60 laurentia seeds)

    • Despatch: Within 1 days
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    • £0.99

Petunia grandiflora 'Limoncello' F1 Hybrid

The best ever yellow Petunia! Bushy, compact and free-flowering, with large wavy blooms in an attractive two tone creamy-yellow bicolour, resembling the delicious Italian liqueur. Adds a zest of lemon to borders or containers. Prefers a light, well drained soil in full sun. Height 20-25cm (8-10 inches). 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 (40 petunia seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Marigold 'Durango Tangerine' F1 Hybrid

Tagetes patula, French Marigold

A luxuriant variety with intense, rich, orange anemone-like flower heads, borne on branching, uniform plants. Exceptionally early flowering with outstanding garden performance. Height: 20-25cm (8-10in).

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 (40 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

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: Within 1 days
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    • £3.99 £0.99

Zinnia elegans 'Whirlygig Mixed'

Fill your beds and borders with these distinctly marked, brightly coloured, semi cactus-like blooms, each with contrasting petal tips. Zinnia elegans 'Whirlygig Mixed' is an outstanding garden performer, freely flowering throughout the summer. These vibrant zinnia flowers are ideal for attracting bees and butterflies to your garden and also make an attractive cut flower for a vase indoors. Height: 60cm (24"). Spread: 30cm (12").
More info
    • 1 packet (100 zinnia seeds)

    • Despatch: Within 1 days
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    • £1.99

Zinnia elegans 'Giant Double Mixed'

Large double flowers and long rigid stems which make them ideal for cutting. The symmetrical form of each flower makes it a thing of beauty in itself. A good blend of the best colours with giant 11cm (4½in) blooms . More info
    • 1 packet (60 zinnia seeds)

    • Despatch: Within 1 days
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    • £2.59

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

Lobelia erinus 'Blue Cascade'

 Customer Rating
Freely branching plants are covered in myriads of bloom to create clouds of true blue lobelia flowers with a small white eye. Unsurpassable among trailing lobelias, 'Blue Cascade' makes a sparkling addition to 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: 25cm (10").
More info
    • 1 packet (1000 lobelia seeds)

    • Despatch: Within 1 days
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    • £2.29

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

Wonderful flowers - like incurved chrysanthemums. More info
    • 1 packet (250 aster seeds)

    • Despatch: Within 1 days
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    • £2.99

Dahlia variabilis 'Redskin'

Very double, compact free-flowering with maroon to bronze-green foliage. A particularly good combination with marigolds. Height: 30-38cm (12-15in).
More info
    • 1 packet (30 dahlia seeds)

    • Despatch: Within 1 days
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    • £0.99