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 321 products.
 

Petunia x hybrida 'Blueberry Lime Jam' F1 Hybrid

This designer petunia mixture brings together a stunning combination of lime green and midnight purple blooms. The spreading stems will quickly knit together to create superb ground cover. Grow Petunia 'Blueberry Lime Jam' in beds, borders and containers for a simply spectacular display that will flower throughout the summer until the first frosts. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (15 petunia seeds)

    • Despatch: Within 1 days
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    • £3.49 £0.99

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.

More info
    • 1 packet (15 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.99

Petunia x hybrida 'Super Cascade Improved' F1 Hybrid

 Customer Rating
The first fully integrated petunia mixture. For hanging baskets, containers and walls. The Super Cascades are much freer flowering and will cascade in 8 different colours - blue, white, pink, blush, cerise, salmon, scarlet and violet from a formula blending of seed. Weather tolerance, heat and wet, is excellent, they bloom from planting out to frost and have good drought tolerance. 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 (90 petunia seeds)

    • Despatch: Within 1 days
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    • £3.99

Morning Glory 'Carnevale di Venezia'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

A vigorous climber producing masses of spectacular, striped blue and pink blooms with intricate markings, as if painted individually. Flowers all summer, transforming your garden with all the dazzling colours of the Venice Carnival. Twining climber to 2m (6ft). More info
    • 1 packet (35 morning glory seeds)

    • Despatch: Within 1 days
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    • £0.99

Marigold 'Tomato Growing Secret'

Tagetes patula, French Marigold

Canny gardeners have been growing white fly repelling African and French marigolds alongside their tomatoes for decades. But we know that some marigolds make better white fly deterrents than others, and we've discovered the best there is! We're keeping the variety name under wraps, but we're happy to make it available to serious tomato growers. Try it this season alongside greenhouse and outdoor tomatoes – you'll even see your tomato plants grow better and bear more fruit with our marigolds around them.

 

Culinary note: French Marigold flowers are edible.

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

More info
    • 1 packet (50 marigold seeds)

    • Despatch: Within 1 days
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    • £2.69

Osteospermum 'African Sun'

Dimorphotheca sinuata, African Daisy, Star of the Veldt, Dimorphotheca aurantiaca

Bushy, free-flowering plants, like a radiant sun with eye-catching golden yellow and vibrant orange bicoloured blooms. Stunning n containers as well as hot, dry borders, attracting bees and butterflies. Height: 30-45cm (12-18 inches).

More info
    • 1 packet (80 osteospermum seeds)

    • Despatch: Within 1 days
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    • £0.99

Thunbergia alata 'Superstar Orange'

Black-eyed Susan

 Customer Rating
A stunning bright orange Black-Eyed Susan with the largest flowers we have ever seen on a seed raised Thunbergia. Vigorous plants quickly cover a trellis against a sunny fence, or look spectacular growing up an obelisk in a container.
More info
    • 1 packet (12 thunbergia seeds)

    • Despatch: Within 1 days
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    • £3.99

Mesembryanthemum criniflorum 'Apricot Tutu'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

Apricot Tu Tu creates a glowing display of gorgeous apricot, frilled blooms. A quick carpeting plant which will practically paint the ground in colour. Very tough and easily grown.

More info
    • 1 packet (200 mesembryanthemum seeds)

    • Despatch: Within 1 days
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    • £0.69

Nasturtium 'Firebird'

Tropaeolum majus, Indian Cress

  • Stunning in baskets or containers
This eye-catching trailing Nasturtium is superb for hanging baskets where it will create neat cascades of fiery blooms, above unusual variegated foliage. Try growing Nasturtium 'Firebird' in baskets, window boxes and containers and watch it ignite your patio all summer long! The edible flowers are also great added to salads for a peppery kick. Trails to: 40cm (16").

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

More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.69

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.

More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.09

Petunia grandiflora 'Sophistica Lime Bicolour' F1 Hybrid

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
    • 1 packet (12 petunia seeds)

    • Despatch: Within 1 days
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    • £0.99

Antirrhinum pendula multiflora 'Chinese Lanterns' F1 Hybrid

Snapdragon

Trailing. A breeding triumph: cascading Antirrhinums! In a mixture of seven colours, including pure colours and bicolours, the "Snapdragon" flowers are borne on self branching, vigorous plants. Ideally made for hanging baskets, containers and window boxes. More info
    • 1 packet (20 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £0.99