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 10 products.
 

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

Lobelia erinus 'Mrs Clibran Improved'

Very useful for edging. Deep-blue flowers with a pretty, contrasting white eye. More info
    • 1 packet (2000 lobelia seeds)

    • Despatch: Within 1 days
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    • £2.29

Marigold 'Starfire'

Tagetes tenuifolia, Signet Marigold

Dwarf, compact and neat plants. The flowers in a rich colour range are produced in abundance superb for bedding, edging and containers. Flowers early summer to frost. Height 15-20cm (6-8in).

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (300 marigold seeds)

    • Despatch: Within 1 days
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    • £2.99

Aster 'Starlight Mixed'

Callistephus chinensis, China Aster

One of the best dwarf Asters! Intriguing spider-like flowers smother compact basal branched plants in attractive shades of blue, purple, scarlet and rose. Early to flower, adding a colourful display to borders or patio containers over a long flowering period. Height: 20cm (8in). More info
    • 1 packet (150 aster seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Alyssum maritima procumbens 'Tetraploid White'

Alyssum maritima procumbens

Tetrapliod plants carry twice as many chromosomes as normal 'diploid' plants, bringing the potential for twice the flower power, and that's exactly what you'll get with Alyssum 'Tetraplod White'. Plants are larger flowered than traditional alyssums, will flower for longer and have better garden performance whether you plant them in the ground or in patio pots. This is the must have alyssum for your garden in 2016. Height and Spread: 20cm (8"). More info
    • 1 packet (300 alyssum seeds)

    • Despatch: Within 1 days
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    • £1.99

Gazania 'Kiss Rose' F1 Hybrid

Treasure Flower

Very early and free flowering even in dull, cool weather. Naturally compact, strong basal branches, ensuring multiflowering plants. Ideal for borders, and containers. More info
    • 1 packet (20 gazania seeds)

    • Despatch:
    •  
    • £3.69 £0.99
    • Out of stock

Gazania 'Kiss Bronze' F1 Hybrid

Treasure Flower

Very early and free flowering even in dull, cool weather. Naturally compact, strong basal branches, ensuring multiflowering plants. Ideal for borders, and containers. More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Gazania hybrida 'Talent Mixed'

Treasure Flower

This very attractive mixture of The Treasure Flower has delicately cut, silvery-white foliage which makes the plant a pleasure to see, even out of flower. The bright blooms, opening in the sun, come in a range of colours from creams and yellows, to oranges, reds and mauves, and are borne on short stems, making them excellent for windy sites. They make refreshingly different plants for bedding and border edging. More info
    • 1 packet (20 seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Aster 'Carpet Ball Mixed'

Callistephus chinensis, China Aster

Thick clustered, tightly-knit blooms create a colourful floral carpet. China aster 'Carpet Ball Mixed' produces neat, mound-shaped plants with the foliage almost obscured by the fully double flowers. These superb, low maintenance annuals flower over a long period throughout summer, making them ideal for brightening up the front of borders and patio containers. Height and spread: 20cm (8"). More info
    • 1 packet (185 seeds)

    • Despatch: Within 1 days
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    • £2.99

Lobelia erinus compacta 'Snowball'

Glistening, contrasting effective snow-white flowers with the odd pale blue. Particuarly suitable for edging following the line of a path or contrasting with another variety like the deep blue Crystal Palace. Flowers summer. Height 15cm (6in).

More info
    • 1 packet (1500 seeds)

    • Despatch: Within 1 days
    •  
    • £1.99