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 38 products.
 

Nasturtium 'Crimson Emperor'

Tropaeolum majus, Indian Cress

Masses of deep crimson blooms with golden yellow throats cover the lax, sprawling stems of this vigorous variety. The semi-trailing habit and lush green foliage make Nasturtium 'Crimson Emperor' an ideal choice for summer groundcover. Perfect covering banks, filling beds and borders or spilling from baskets and patio containers. Height: 30cm (12"). Spread: 200m (78").

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

Press release: Chance find becomes Thompson & Morgan's Flower of the Year

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    • 1 packet (30 seeds)

    • Despatch: Within 3 days
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    • £2.49

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

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    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Morning Glory 'Heavenly Blue'

Ipomoea tricolor, Ipomoea rubrocaerulea

 Customer Rating
Gorgeous sky blue flowers, up to 6cm (2½in) across that open in the morning, appear throughout summer on this free-flowering, elegant climber. Also suitable for greenhouse or conservatory growing. Prefers a sunny, sheltered, warm site; Beautiful climber ideal for warm site trellis, fences, poles, etc.
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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.49

Petunia x hybrida 'Purple Velvet' F1 Hybrid

The best ever basket petunia from seed! 'Purple Velvet' out-performs expensive cutting raised Surfinia petunias. Trailing stems, up to 1m (3ft) in length, are continuously smothered in velvety, purple blooms until the first frosts.Excellent for baskets and containers. Can also be planted in borders where it will make very effective ground cover. 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 (12 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Petunia hybrida 'Salmon Velvet' F1 Hybrid

The best ever trailing Petunia from seed! Following the success of our customer favourite Purple Velvet we have the next colour in the series - Salmon Velvet. These will outperform expensive cutting-raised Surfinia Petunias. Producing trailing stems up to 1m (3ft) in length, continuously smothered in blooms all summer until the first frosts. Can also be planted in borders, where it will make very effective ground cover. 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 (12 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Nasturtium 'Climbing Mixed'

Tropaeolum majus, Indian Cress

These long-flowering vigorous climbing plants look spectacular when trained over walls, fences and hedges. They lack tendrils, but will scramble happily over trellis work, sheds, fences etc. Flowers summer-autumn. Climber.

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

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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
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    • £2.09

Morning Glory 'Lazy Luxe'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

Possibly the best-ever mixture of Morning Glory! Ten fabulous colours especially selected to all flower at a similar time, creating an eye-catching summer display. An easy-to-grow and vigorous climber, flowering all summer until the first frosts.

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    • 1 packet (35 seeds)

    • Despatch: Within 3 days
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    • £1.49 £0.99

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 seeds)

    • Despatch: Within 3 days
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    • £0.99

Petunia x hybrida 'Rose Vein Velvet' F1 Hybrid

 Customer Rating

The best-ever basket petunia from seed! Petunia Rose Vein Velvet is the latest colour in the velvet series and promises to be as impressive! Like the others in the series, Rose Vein Velvet will out-perform expensive cutting raised Surfinia petunias. The lovely trailing stems, up to 1m (3ft) in length, look fantastic in baskets, window boxes and other containers where they will be continuously smothered in blooms all summer long. Also makes useful and attractive ground cover.

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    • 1 packet (12 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Nasturtium 'Jewel of Africa' - RHS Garden Explorers Children's Seeds

Tropaeolum majus, Indian Cress

I am a giant, brightly coloured nasturtium that will wander through borders or trail around pots in your garden. You can even eat my flowers and spicy leaves in salads. Height: 20cm.

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

More info
    • 1 packet (10 seeds)

    • Despatch: Within 3 days
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    • £1.49

Morning Glory 'Star Of Yelta'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

 Customer Rating
A stunning and very striking garden plant which can be used as a climber or ground cover subject. The large flower buds open to royal a deep purple, silk-like, 7cm (3in) bloom with rich red vein markings, forming a star from the very centre to the petal tips. You can also grow it in a container where it will cascade over the side, and if supported, will climb to form a dome. Flowers summer. Climber to approximately 180cm (6ft).
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    • 1 packet (25 seeds)

    • Despatch: Within 3 days
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    • £2.99

Gourd 'Snakes'

Trichosanthes cucumerina

Grow your own slippery snake! Unusual pale green narrow gourds that twist and curl, then, once dried, can be painted with your personalised snake pattern. NOT EDIBLE - Use acrylic paints to create your own designs. More info
    • 1 packet (5 seeds)

    • Despatch: Within 3 days
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    • £1.69