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.



We have found 60 products.
 

Cosmos sulphureus 'Ladybird Lemon'

A unique dwarf yellow Cosmos. Bushy, compact plants become smothered in vibrant lemon yellow blooms from June through to the first frosts. Creates illuminating displays towards the front of borders or in patio containers.
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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £3.19

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).
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    • 2 packets - 1 of each variety (100 seeds in total)

    • Despatch: Within 3 days
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    • £3.49

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 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Nemesia cheiranthus 'Shooting Stars'

Extravagant and exotic flowers in dazzling yellow and white, to illuminate your borders and containers. Just as shooting stars are a wonder of nature, so too is this exciting new Nemesia with its branching habit and delightful coconut fragrance. Flowers over a long period, throughout the summer into autumn. More info
    • 1 packet (80 seeds)

    • Despatch: Within 3 days
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    • £2.89

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

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

    • Despatch: Within 3 days
    •  
    • £4.49

Nasturtium 'Banana Split'

Tropaeolum minus, Indian Cress

 Customer Rating

Showing superb garden performance in our trials, this eye-catching nasturtium produces masses of lovely golden-petalled flowers which sit on top of lush green foliage. The slightly ruffled blooms fade to lemon as the season progresses whilst the lax, bushy, slightly spreading habit makes Nasturtium Banana Split a must for containers as well as the front of borders where it will flower freely all summer.


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

More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Cosmos 'Ladybirds Collection'

Cosmos sulphureus

Collection comprises one packet each of:
Ladybird Scarlet - Dwarf plants with arresting scarlet to orange-scarlet flowers.
Ladybird Lemon - A unique dwarf yellow Cosmos. Bushy, compact plants become smothered in vibrant lemon yellow blooms from June through to the first frosts.
More info
    • 2 packets - 1 of each variety (80 seeds in total)

    • Despatch: Within 3 days
    • SAVE £1.39  
    • £6.38 £4.99

Nasturtium 'Whirlybird Cream' - Kew Collection Seeds

Tropaeolum majus, Indian Cress

A delicious separate colour with creamy butter-milk, semi-double flowers held well above rich green foliage.

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

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    • 1 packet (20 seeds)

    • Despatch: Within 3 days
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    • £2.29

Zinnia elegans 'Swizzle Scarlet & Yellow'

Zinnias have certainly increased in popularity as summer bedding in recent years. Swizzles are sure to brighten any display with their eye-catching, bicoloured flowers, in vibrant shades of scarlet and yellow. The dwarf, bushy free-flowering plants have exceptional garden performance in sunny borders or in containers, as well as attracting a variety of butterflies to your garden. Height: 25-30cm (10-12in).
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    • 1 packet (10 seeds)

    • Despatch: Within 3 days
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    • £4.99

Petunia Sophistica Collection

Collection includes the following varieties;
'Sophistica Blue Morn' - An amazing new colour combination never before seen in petunias. The startling blue-purple of the large showy flowers washes away to a pale inner 'eye' in the centre of the blooms. Creates a fabulous free-flowering display in pots or baskets.
'Sophistica Antique Shades' - 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.
'Sophistica Lime Bicolour' - An abundance of intriguingly coloured blooms, each one individually marked with dramatic splashes and stripes of pale lime green and rose pink. This is a colour combination never before seen in petunias, so Petunia grandiflora Sophistica Lime Bicolour is sure to attract attention and admiration in borders or containers where it will flower all summer.
More info
    • 3 packets - 1 of each variety (36 seeds in total)

    • Despatch: Within 3 days
    • SAVE £1.88  
    • £9.87 £7.99

Busy Lizzie 'Divine Orange Bronze Leaf' F1 Hybrid (New Guinea)

Impatiens x hawkeri

  • New in 2014
A vibrant Busy Lizzie, producing wonderful bright orange-red flowers above contrasting bronze-green foliage. As with all New Guinea Impatiens, Busy Lizzie 'Divine Orange Bronze Leaf' is robust and downy mildew resistant for a stunning show from June to October. Strong, spreading plants will quickly fill beds, borders and patio containers with eye-catching colour. Height: 30cm (12"). Spread: 35cm (14").
More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £4.29

Nasturtium 'Rumba Mix'

Tropaeolum minus, Indian Cress

  • New in 2014

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.

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.09