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 60 products.
 

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.

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    • 1 packet (20 morning glory seeds)

    • Despatch: Within 1 days
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    • £0.69

Nasturtium 'Empress Of India'

Tropaeolum majus, Indian Cress

Deep velvety crimson flowers against dark foliage.

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

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    • 1 packet (40 nasturtium seeds)

    • Despatch: Within 1 days
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    • £0.99

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

Cosmos sulphureus 'Brightness Mixed'

 Customer Rating

Possibly the most free-flowering cosmos of this type. Dwarf and bushy plants are covered with flowers in a delightful mixture of gold, lemon, orange and red from early summer through to the autumn frosts. Spectacular when planted towards the front of annual borders or in containers.

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    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Nasturtium 'Crimson Emperor'

Tropaeolum majus, Indian Cress

Masses of deep crimson blooms with golden yellow throats cover the lax, sprawling stems of this vigorous variety. The semi-trailing habit and lush green foliage make Nasturtium 'Crimson Emperor' an ideal choice for summer groundcover. Perfect covering banks, filling beds and borders or spilling from baskets and patio containers. Height: 30cm (12"). Spread: 200m (78").

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

Press release: Chance find becomes Thompson & Morgan's Flower of the Year

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    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.69

Nasturtium 'Black Velvet'

Tropaeolum minus, Indian Cress

A unique colour in Nasturtiums! Deepest velvety, red-black blooms in abundance above fresh green foliage on neat, dwarf plants. Sure to create an eyecatching display in borders or containers when accompanied by Milkmaid. Will grow in any well-drained soil in full sun.

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

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    • 1 packet (15 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.99

Nasturtium 'Rumba Mix'

Tropaeolum minus, Indian Cress

A vibrant colour combination of single and semi-double, red and peach flowers set above attractive dark green foliage. Nasturtium 'Rumba Mix' is easy to grow, creating a carpet of colour in beds, borders or containers where its lax habit tumbles over the edge, freely flowering all summer. Try growing Nasturtiums in the vegetable plot too and use the edible flowers and leaves to brighten salads. Height: 30cm (12"). Spread: 35cm (14").


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

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    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.29

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

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    • 1 packet (100 marigold seeds)

    • Despatch: Within 1 days
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    • £2.29

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

Mina lobata

Ipomoea lobata, Spanish Flag, Ipomoea versicolor, Quamoclit lobata

 Customer Rating
An exotic looking climber, with twining stem ideal for rambling over trellises, fences etc. The flowers are very impressive with up to 12 per flower spike producing a spectacular combination as they age. They start off a most powerful and stunning bright red and as they mature they go from red to orange, orange to yellow and from yellow to white and all are out at the same time. A plant positively loaded with flowers is an impressive sight. Climbs to 120-180cm (4-6ft).
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    • 1 packet (16 mina lobata seeds)

    • Despatch: Within 1 days
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    • £2.99

Nasturtium 'Ladybird'

Tropaeolum majus, Indian Cress

Dwarf, bushy plants become clothed in beautiful golden-yellow flowers each enhanced by five, eye-catching, bright red spots. Easy and quick to grow, making it ideal for adding colour to the front of sunny borders in patio containers.

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

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    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.29

Cosmos bipinnatus 'Rubenza'

 Customer Rating
Wonderfully easy-to-grow plants which flower all summer until the first frosts. The dark, ruby-red blooms of Cosmos bippinatus Rubenza change to a lovely traditional rose red as they mature - their outstanding colour has earned them a Fleuroselect Novelty award. Cosmos bippinatus Rubenza shows excellent garden performance, especially planted in borders in drifts.
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    • 1 packet (60 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99