Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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 164 products.
 

Nasturtium 'Phoenix'

Tropaeolum minus, Indian Cress

Curious split petals make the flame-like flowers of Nasturium 'Phoenix' particularly eye catching. Prolific and free flowering, the blooms are produced in abundance in beautiful fiery shades of gold, orange and red. Like all Nasturtiums, it's easy to grow. Let its bushy stems spill from hanging baskets and window boxes or create a carpet of colour in beds and borders. Height: 30cm (12"). Spread: 35cm (14").

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
    • 1 packet (25 nasturtium seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Cosmos bipinnatus 'Gazebo Mixed'

 Customer Rating
A mid-height, easy to grow annual with well branched plants which come into flower earlier than most varieties. The attractive fern-like foliage is crowned with many large blooms of velvet red, rose-pink and pure white. An ideal border filler, or simply use in a large container or as a bedding plant. Flowers summer. Height: 60cm (24in).
More info
    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Petunia hybrida grandiflora 'Superbissima'

 Customer Rating
The largest Petunia flowers we have ever seen, bred on from those available over 100 years ago! Robust plants produce huge 10-15cm (4-6in) wide exotic looking frilly blooms, in an attractive mixture of pinks, reds and purples, each with rich veining and attractive dark eyes. An eye-catching addition to borders or containers. Height: 30-35cm (12-14in). 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 (50 petunia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Marigold 'Bonita Mixed'

Tagetes patula, French Marigold

A sparkling mixture of free flowering, large carnation-sized blooms. Superb for bedding. Height 12in.

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 (200 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £1.99
    • 1 packet (53 marigold seeds - seed tape)

    • Despatch: Within 1 days
    •  
    • £2.99

Marigold 'French Vanilla' F1 Hybrid

Tagetes erecta, African Marigold

 Customer Rating
A triumph in plant breeding! A real creamy white flowered Marigold and at last something different in the colour spectrum from oranges and lemons. Flowers are pure in colour, 7.5cm (3in) across and prolific too. There is also a master stroke - 'French Vanilla' has less of the pungent Marigold smell. A definite improvement! Use them in formal or informal bedding, where they will contrast superbly with other bright or pastel flowers. A refreshing plant for the patio container too. Height: 30-38cm (12-15in).
More info
    • 1 packet (20 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £4.89

Nasturtium minus 'Just Peachy'

Tropaeolum minus, Indian Cress

You'll love how the delightful ruffled blooms of Nasturtium 'Just Peachy' sit well above the fresh green foliage of these neat, compact plants. The pretty blooms create a carpet of creamy peach shades that look stunning spilling from borders or containers. Grow some of these easy-to-grow hardy annuals in the vegetable plot too and use the flowers and leaves to brighten salads. Height: 20cm (8"). Spread: 35cm (14").

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
    • 1 packet (17 nasturtium seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Begonia x tuberhybrida 'Scentsation Mixed' F1 Hybrid

The very first fragrant Begonia from seed! These vigorous plants produce wonderful, double to semi-double, pastel-coloured flowers and are stunning grown in individual pots or mixed containers. On damp mornings and sunny days, your garden will be filled with a delightful medley of fragrances from fresh lemon to a soft rose scent. This T&M New and Exclusive is sure to sell out, so place your order fast!

Culinary note: Add the bright coloured petals to sandwiches or salads for a light lemon taste and crisp texture. For more details about edible flowers click here.

More info
    • 1 packet (50 begonia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Lobelia erinus 'Cascade Mixed'

 Customer Rating

These trailing lobelia plants produce fountains of bloom in burgundy, violet, lilac and Cambridge blue, as well as a few bicolours! Lobelia 'Cascade' Mixed 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. Trails to: 25cm (10"). Spread: 15cm (6").

More info
    • 1 packet (1500 lobelia seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Aster 'Milady Mixed'

Callistephus chinensis, China Aster

Excellent for bedding , these plants are robust, bushy and very wilt resistant. Well formed, globular, weather resistant flowers in blue, pink, rose, rose-red and white are produced over a long period. Useful as a summer flowering pot plant, for window boxes etc. More info
    • 1 packet (150 aster seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

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: 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
    • 1 packet (25 nasturtium seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Marigold 'Alumia Vanilla Cream'

Tagetes patula, French Marigold

This striking British bred variety has unique, lemon yellow blooms; a colour never seen before in French Marigolds. The short, branching plants have a neat uniform habit that is ideal for planting en masse. Marigold 'Alumia Vanilla Cream' gives a superb garden performance, flowering over a long period and attracting pollinating insects to its blooms. Perfect for planting in beds, edging pathways or filling window boxes and patio containers. Height and spread: 25cm (10").

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 (50 marigold seeds)

    • Despatch: Within 1 days
    •  
    • £2.29

Petunia milliflora 'Fantasy' F1 Hybrid

Petunia "Fantasy" has a habit which is not just a miniature but also compact. In fact they are 36 per cent the size of normal multiflora types and it means that plants don't become straggly and untidy but remain neat and uniform. This beautiful formulated mixture comes in a wide range of colours. They are highly floriferous with outstanding garden performance in most conditions and look a real knock-out in containers, baskets and border edging. 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 (75 petunia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99