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.
 

Marigold 'Solan'

Tagetes patula, French Marigold

Mind-blowing flower power, each plant can produce over 250 blooms! Fill your borders and containers with masses of attractive orange and red tufted Chrysanthemum-like heads on vigorous, bushy plants. Amazing garden performance.

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 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Petunia 'Purple Pirouette' F1 Hybrid

A stunning separate, bicoloured Petunia and its double flowered too. Blooms are up to 10cm (4in) in diameter in rich violet-purple with strongly contrasting, white ruffled edges. A beautiful summer bedding plant, especially used in drifts or on its own in containers, spreading up to 40cm (16in). Flowers summer. Height: 30cm (12in). 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 (40 seeds)

    • Despatch: Within 1 days
    •  
    • £3.69

Marigold 'Queen Series Mixed'

Tagetes patula, French Marigold

A lovely range of Camellia-flowered marigolds that orginated in France with broader more elegantly shaped blooms than ordinary types. A superb plant for bedding or outdoor containers. Flowers all summer to first frosts. Height: 23-30cm (10-12in).

 

Culinary note: French Marigold flowers are edible.

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 (75 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Petunia 'Colour Parade' F1 Hybrid

A very special mixture with over 20 different types of large flower. There are some clear, pure colours, a sprinkling of colours with white stars, some picotee edged in white and others with darker veins and soft radiating centres. They make a spectacular display for bedding, or just planted in large containers. Flowers summer. Height: 22-30cm (9-12in).

More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Petunia x hybrida 'Sophistica Antique Shades' F1 Hybrid

Extremely pretty petunia with large ruffled blooms, each one seemingly hand-painted in lovely shades of soft pink and blushed cream not previously seen in petunias. Suitable for pots or baskets, making a stunning patio feature where it will flower freely all summer.

More info
    • 1 packet (12 petunia seeds)

    • Despatch: Within 1 days
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    • £0.99

Phlox drummondii 'Phlox of Sheep'

Annual Phlox

Phlox of Sheep' is a garden annual of exceptional quality and character. This totally unique and exclusive blend of pastel hues and bicolours, through pinks, yellows, apricot, red and then pure white is the result of many years work. The gorgeous different colours come together to give a plethora of flower and soft colour during the summer in bedding, borders and containers. Height: 25-30cm (10-12in).
More info
    • 1 packet (250 phlox seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid

Giant, fully double flowers of burgundy or plum veined, often more than 10cm (4in) across! Add to this its cascading habit and you have one of the very best basket and container plants creating a waterfall of pleated powderpuffs all summer long. Height: 23-30cm (9-12in). 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.Click here to buy now. More info
    • 1 packet (25 petunia seeds)

    • Despatch: Within 1 days
    •  
    • £3.69 £0.99

Nasturtium Duo

Tropaeolum majus, Indian Cress

One packet each of: Milkmaid and Black Velvet. For a full description and sowing & growing instructions please refer to each plant's individual listing.

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
    • 2 packets - 1 of each variety (45 nasturtium seeds in total)

    • Despatch: Within 1 days
    • SAVE £1.29  
    • £5.78 £4.49

Laurentia 'Avant-Garde Pink' F1 Hybrid

Isotoma, Solenopsis axillaris

T&M's flower breeders have struck gold with the first ever F1 Hybrid Laurentia to be entered into the Fleuroselect trials. Both 'Avant-Garde Blue' and 'Pink' have the same uniform, vigorous plant habit and have earlier scented, star shaped blooms which are produced in abundance over a long flowering season. Your garden will be filled with colour all summer. Height: 25-30cm (10-12in).
More info
    • 1 packet (50 laurentia seeds)

    • Despatch: Within 1 days
    •  
    • £2.49

Begonia semperflorens 'Lotto Mixed' F1 Hybrid

An exceptionally large flowered variety compared to normal Begonia semperflorens cultivars. Begonia 'Lotto' Mixed plants produce neat blooms with yellow centres in a sumptuous mix of colours. Perfect for creating a show-stopping display in containers, beds, baskets, and Flower Pouches®!Height and spread: 30cm (12").
More info
    • 1 packet (50 begonia seeds)

    • Despatch: Within 1 days
    •  
    • £2.99 £0.99

Marigold 'Single Legion of Honour'

Tagetes patula, French Marigold

More than 150 years old and still going strong, the heirloom variety of French Marigold Single Legion of Honour continues to perform well in the garden. These bushy, mid-height French marigolds will quickly become smothered in a mass of single, golden-yellow flowers with pretty dark brown markings. French Marigold Single Legion of Honour is a reliable and robust border filler, flowering all summer long with a minimum of dead-heading.

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
    •  
    • £1.49

Laurentia (Duo)

Isotoma, Solenopsis axillaris

Collection comprises one packet each of Avant-Garde Blue & Avant-Garde Pink: T&M's flower breeders have struck gold with the first ever F1 Hybrid Laurentia to be entered into the Fleuroselect trials. Both Avant-Garde Blue and 'Pink' have the same uniform, vigorous plant habit and have earlier scented, star shaped blooms which are produced in abundance over a long flowering season. Your garden will be filled with colour all summer. Height: 25-30cm (10-12in).
More info
    • 2 packets - 1 of each variety (100 laurentia seeds in total)

    • Despatch: Within 1 days
    • SAVE £1.49  
    • £4.98 £3.49