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 321 products.
 

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 ÔKonstance' 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: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (100 marigold seeds)

    • Despatch: Within 1 days
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    • £0.99

Begonia x tuberhybrida 'Blackmore & Langdon's Large Flowered Picotees Mixed'

 Customer Rating
Blackmore &: Langdon have specialised in breeding tuberous begonias since 1901, and have won over 70 gold medals at the Chelsea Flower Show for their eye-catching displays. T&M are delighted to be able to offer this spectacular large flowered picotee mixture producing high quality blooms in a wide range of picotee shades perfect for growing in containers. Being a seed raised mixture you may even find an unusual colour combination never seen before! Height: 40-45cm (16-18in).

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

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    • 1 packet (20 begonia seeds)

    • Despatch: Within 1 days
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    • £0.99

Salvia splendens 'Red Arrow'

Scarlet Sage

An excellent all-rounder. Red Arrow produces lots of vivid red flowers set-off against deep green foliage and its excellent lateral branching habit makes it very effective in mass displays in beds, borders etc. Recommended also for window boxes, patio tubs, containers etc. Flowers summer. Height 28cm (11 in). More info
    • 1 packet (60 salvia seeds)

    • Despatch: Within 1 days
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    • £0.99

Cineraria 'Dwarf British Beauty Mixed'

Pericallis x hybrida, Cineraria cruentus, Cineraria x hybrida, Florists' Cineraria, Senecio x hybridus

 Customer Rating
Neat plants with a rounded and graceful habit, in a brilliant, range of colours. An economical way of producing early spring flowering pot plants as they need little more than frost exclusion, Winter temperatures should not exceed 13C (55F) and can be as low as 7C (45F). Flowers spring onwards. Height/Spread: 25/25cm (10/10in).
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    • 1 packet (40 cineraria seeds)

    • Despatch: Within 1 days
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    • £3.69

Laurentia 'Stargazer Mixed'

Isotoma axillaris, Solenopsis axillaris

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

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

More info
    • 1 packet (40 begonia seeds)

    • Despatch: Within 1 days
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    • £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.

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    • 1 packet (56 dahlia seeds)

    • Despatch: Within 1 days
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    • £0.99

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

Mesembryanthemum criniflorum 'Magic Carpet Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

 Customer Rating
Carpet like growth with leaves that appear to be sprinkled with ice crystals. Produces a glowing display in full sun on beds, borders, dry banks, rockeries, etc.
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    • 1 packet (2600 mesembryanthemum seeds)

    • Despatch: Within 1 days
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    • £1.99

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

Nasturtium 'Jewel of Africa'

Tropaeolum majus, Indian Cress

T&M own breeding. At last! Variegated climbing Nasturtiums. Available in a balanced mixture of yellows, reds, creams and peach/pinks with foliage which is attractively marbled and striped with cream, against a light green background. They make fantastic, dramatic container and basket plants or simply use them for effective ground cover. They also look good trailing and climbing over conifers, hedges and short walls. Please Note: Occasionally some plants produce pure green foliage, many but not all will develop variegation at a later stage.

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

More info
    • 1 packet (25 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.99

Salvia farinacea 'Fairy Queen'

Mealy Sage, Mealycup Sage

Unique breeding has brought us this very visually appealing Salvia. Bushy, compact plants bear multiple spikes of attractive blue and white bicoloured flowers on distinctive dark stems. Flowers all summer and continues through to October in borders or containers. Height: 35-45cm (14-18in).
More info
    • 1 packet (40 salvia seeds)

    • Despatch: Within 1 days
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    • £0.99