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.
 

Snake Gourd - RHS endorsed seeds for children

Trichosanthes cucumerina

I'm a strange 'gourd' that makes an exciting plant to grow as I have fruits that look like slippery snakes! When my fruits are dried you can paint me with spots, stars, stripes or whatever you like! Height: 2m. Why Not invite your friends round and see who can paint the brightest or craziest snake?

These seeds are endorsed by the RHS.

More info
    • 1 packet (5 snake gourd seeds)

    • Despatch: Within 1 days
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    • £1.69

Swan Gourd - RHS endorsed seeds for children

Lagenaria siceraria, Calabash Gourd

I'm a fun plant to grow as I have spotted fruits with a long neck that make me look like an elegant swan. When my fruits are dried you can paint me with faces or leave me looking like a swan. Height: 2m. Why Not invite your friends round to see who can paint the most beautiful or funniest animal or bird?

These seeds are endorsed by the RHS.

More info
    • 1 packet (5 swan gourd seeds)

    • Despatch: Within 1 days
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    • £1.69

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
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    • £0.99

Marigold 'Sunburst Mixed' F1 Hybrid

Tagetes patula x erecta, Afro-French Marigold

A superb four-colour marigold cross, Sunburst Mixed combines the flower power, garden performance and great weather resistance of a French marigold with fabulous flowers that are almost as large as those of an African marigold. Spectacular planted in large drifts as part of a bedding display as well as in large containers.


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
    •  
    • £2.49 £0.99

Zinnia elegans 'Magellan Mixed' F1 Hybrid

Uniform, bushy, free-flowering plants produce large, fully double blooms of exceptional quality and weather resistance. Ideal planted in borders and containers for a knock-out display all summer. Height: 30-35cm (12-14in).
More info
    • 1 packet (10 zinnia seeds)

    • Despatch: Within 1 days
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    • £0.99

Gourd 'Crown Of Thorns'

Cucurbita pepo

Wonderful small fruits of creamy-white to green and yellow striped. Uniquely shaped, resembling a crown.
More info
    • 1 packet (25 gourd seeds)

    • Despatch: Within 1 days
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    • £2.89 £0.99

Heliotrope 'Dwarf Marine'

Heliotropium, Cherry Pie, Heliotropium peruvianum

Once you've experienced the sweet, pungent scent, coming from Heliotrope, or 'cherry pie' as it is commonly called, on a still summer evening you won't want to be without it. Few plants can fill the air with such a heady fragrance as this. Marine is a royal purple, large flowered yet compact form with attractive, dark green foliage and bushy habit. Excellent for beds, borders and as a summer flowering pot plant. Flowers summer. Height 45cm (18in). More info
    • 1 packet (150 heliotrope seeds)

    • Despatch: Within 1 days
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    • £2.99

Gourd 'Autumn Glory'

Cucurbita pepo

A hand selected mixture of small gourds in a wide range of colours and shapes including smooth skinned, warted and winged types. These ornamental fruits are ideal for adding to autumn floral decorations, or used as varnished ornaments around the home.
More info
    • 1 packet (25 gourd seeds)

    • Despatch: Within 1 days
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    • £2.99

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
    •  
    • £2.29

Salvia 'Sahara Red'

This truly is an outstanding bedding salvia. We thought we had it covered with existing plants in our range, but the vigour and garden performance of Salvia 'Sahara Red' has truly amazed us. Vibrant red flowers are contrasted by perfectly dark green foliage and go on to out-perform all other red salvias with the longest flowering period. You're in for a treat with this easy grow summer essential. Height: 35cm (14"). Spread: 30cm (12"). More info
    • 1 packet (40 salvia seeds)

    • Despatch: Within 1 days
    •  
    • £1.99