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 68 products.
 
Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Snapdragon
  • NEW in 2013
You can look forward to an extra long lasting display from this fully double snapdragon, because the flowers are so tightly ruffled that insects struggle to pollinate them. This superb variety has a basal branching habit that produces compact, bushy plants. An outstanding garden performer, Antirrhinum nanum 'Twinny Appleblossom' is perfect for filling your borders, beds and containers with pretty pastel shades throughout summer. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Petunia x hybrida 'Sparklers'

Petunia x hybrida 'Sparklers'

  • NEW in 2013
  • Fleuroselect Approved Novelty
The first ever star-shaped petunia from seed! A white version of this uniquely-shaped flower was originally sent to us by a customer in 1998. After 10 years of breeding and many generations of selection, the perfect star shape was obtained as well as this fabulous range of colours. Even the foliage of Petunia x hybrid ‘Sparklers’ is unusual, being pointed rather than rounded. Grow this striking variety in containers or let its spreading stems spill over the edges of hanging baskets for a most unusual summer display. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Petunia X Hybrida Purple Velvet F1 Hybrid

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 2 Days
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    • £3.69
Petunia Hybrida Salmon Velvet F1

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 2 Days
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    • £3.69
Gazania splendens 'New Day Mix' F1 Hybrid

Gazania splendens 'New Day Mix' F1 Hybrid

Treasure Flower
  • NEW in 2013
A sensational blend of vibrant Gazania, bringing together all forms of colours and stripes in one fabulous mix. The short stems support large, wide blooms that open quickly and remain open for longer. Gazania splendens 'New Day Mix' are ideal for adding long lasting colour to summer bedding schemes and patio containers. These versatile plants will even tolerate windy coastal positions. Height and spread: 25cm (10"). More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Osteospermum Sinuata African Sun

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. Plant with African Moon for a perfect combination. Height: 30-45cm (12-18 inches).

 More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
    • SAVE £1.40  
    • £2.39 £0.99
Antirrhinum Majus Double Madame Butterfly Mixed F1

Antirrhinum majus 'Double Madame Butterfly Mixed' F1 Hybrid

Snapdragon
A flower in an entirely new form. Its large completely double, azalea-shaped blooms provide a riot of colour and its reliability and impressiveness are borne out by rare award of an All-America and All-Britain Selections Bronze Medal. Ideal for borders, bedding and superb cut flowers. Flowers summer. Height: 69-90cm (24-36in) More info
    • 1 packet (60 seeds)

    • Despatch: Within 2 Days
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    • £3.69
Salvia Splendens Blaze Of Fire

Salvia splendens 'Blaze of Fire'

Scarlet Sage, Salvia splendens 'Fireball'
One of the most famous summer annual bedding plants, long flowering, early flowering, compact and neat. It is a frost tender annual. Ideal for bedding and edging. Other excellent sites are windowboxes and tubs. Flowers summer. Height 30cm (12in). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.29
Antirrhinum majus 'Reminiscent Mixed' F1 Hybrid

Antirrhinum majus 'Reminiscent Mixed' F1 Hybrid

Snapdragon
  • NEW in 2013
  • RHS Perfect for Pollinators
With a fresh citrus fragrance and unusual upward facing flowers, this superb snapdragon is hard to resist. The pastel blooms are carried on compact, bushy plants, attracting bees and other pollinating insects. Antirrhinum majus 'Reminiscent Mixed’ has a particularly long flowering period making this an ideal choice for wildlife borders, beds and containers. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 1 packet (50 seeds)

    • Despatch: Within 2 Days
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    • £2.29
Petunia Hybrida Rose Vein Velvet F1 Hybrid

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.

 More info
    • 1 packet (12 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Petunia Grandiflora Double Cascade Burgundy Plum Vein F1

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 2 Days
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    • £3.69
Antirrhinum majus pumilum 'Magic Carpet' - Part of the Alan Titchmarsh Collection

Antirrhinum majus pumilum 'Magic Carpet' - Part of the Alan Titchmarsh Collection

Snapdragon
 
  • NEW in 2013
Antirrhinum 'Magic Carpet' - a summer ground cover to banish those weeds for good! A favourite when I was a child, I couldn’t get enough of the small ‘snapdragon’ blooms, opening and closing them like little puppets in my hand! Height and spread: 30cm (12"). More info
    • 1 packet (2400 seeds)

    • Despatch: Within 2 Days
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    • £1.69