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 311 products.
 

Gourd 'Crown Of Thorns'

Cucurbita pepo

Wonderful small fruits of creamy-white to green and yellow striped. Uniquely shaped, resembling a crown.
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    • 1 packet (25 gourd seeds)

    • Despatch: Within 1 days
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    • £2.89 £0.99

Antirrhinum majus 'Bronze Dragon'

Snapdragon

These eye-catching, bushy, dwarf plants have the darkest, almost black foliage we have ever seen on an Antirrhinum! Bred by Thompson & Morgan, Bronze Dragon looks almost as attractive before flowering as it does when smothered in its gorgeous, purple and white bicoloured blooms. Truly outstanding in borders or containers and can also boast very good rust resistance.
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    • 1 packet (100 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £2.99

Petunia grandiflora 'Double Cascade Blue' F1 Hybrid

Attractive, large fully double blooms in the deepest velvety blue, almost look black when shimmering in the sunshine. The flowers have an added bonus of quickly recovering after a shower of rain. Their cascading habit makes them ideal as groundcover or tumbling over the sides of containers or baskets. 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. More info
    • 1 packet (30 petunia seeds)

    • Despatch: Within 1 days
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    • £3.49

Bacopa cordata 'Snowtopia White'

Sutera cordata

  • Spectacular trailing habit

The trailing, evergreen stems of this half-hardy basket filler bear a smothering of snow white flowers throughout summer. Let bacopa plants tumble from mixed patio containers and baskets for a brilliant display throughout summer. Height: 15cm (6"). Spread: 45cm (18").


Please note: This seed is sold as a multi-seeded pellet for easy sowing into modules or Jiffy 7's to aid easy planting.

More info
    • 1 packet (10 bacopa pellets)

    • Despatch: Within 1 days
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    • £3.99

Antirrhinum majus nanum 'Rembrandt'

Snapdragon

Attractive, free-flowering, bushy plants with stunning bicoloured blooms in vibrant orange and golden yellow. Will paint your borders and containers with colour all summer.
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    • 1 packet (200 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £2.69

Nicotiana sylvestris

Tobacco Plant, Woodland Tobacco

 Customer Rating
This imposing half hardy annual has stout spikes bearing a cascading head of fragrant 3½in long white blooms. It grows to a height of 90-120cm (36-48in) making it an excellent subject for the border. Occasionally a short lived perennial in a warm sheltered site.
More info
    • 1 packet (2000 nicotiana seeds)

    • Despatch: Within 1 days
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    • £2.99

Heliotrope 'Dwarf Marine'

Heliotropium, Cherry Pie, Heliotropium peruvianum

Once you've experienced the sweet, pungent scent, coming from Heliotrope, or 'cherry pie' as it is commonly called, on a still summer evening you won't want to be without it. Few plants can fill the air with such a heady fragrance as this. Marine is a royal purple, large flowered yet compact form with attractive, dark green foliage and bushy habit. Excellent for beds, borders and as a summer flowering pot plant. Flowers summer. Height 45cm (18in). More info
    • 1 packet (150 heliotrope seeds)

    • Despatch: Within 1 days
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    • £2.99

Zinnia marylandica 'Zahara Starlight Rose'

Truly spectacular 2010 AAS award-winning bedding plant! The pretty white flowers with an attractive pinky-rose centre are 6cm (2.5in) across when fully open. Bushy, dwarf plants flower freely and are so tolerant of such conditions as heat, humidity and drought that they were planted extensively in floral displays at the Beijing Olympics.

Non-stop-flowering Zinnia Zahara Starlight Rose follows on from the success of Zahara Yellow and will similarly attract beneficial insects, such as butterflies, to the garden. A real 'must' for borders this season!

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    • 1 packet (15 zinnia seeds)

    • Despatch: Within 1 days
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    • £3.29

Marigold 'Pots of Gold'

Tagetes patula, French Marigold

An exclusive blend of French marigolds, including three fiery colours - golden, striped and a fabulous vibrant red. Bushy plants produce masses of single flowers atop tall sturdy stems which have a uniform height, making them perfect for cutting. Attractive to bees and butterflies, Marigold 'Pots of Gold' makes an eye-catching addition to the middle of beds, borders and containers for a colourful and long-lasting summer display. Height: 60cm (24"). Spread: 45cm (18").

 

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 (100 marigold seeds)

    • Despatch: Within 1 days
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    • £1.99

Senecio cineraria 'Silver Dust'

Senecio maritimus, Senecio candicans, Cineraria maritima

A half hardy perennial best treated as a half hardy annual, this is a showy bedding plant producing a 20-25cm (8-10in) mound of finely divided silvery white foliage. Use it as an edging to the border, as feature plants or in pots.
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    • 1 packet (400 senecio seeds)

    • Despatch: Within 1 days
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    • £1.99

Petunia x hybrida 'T&M's Global Grandiflora' F1 Hybrid

Here is the ultimate colour selection in large flowered single Petunias. Virtually every colour, veined, starred, picotees, solids, pastels and bicolours are here formula blended. Extremely uniform, eye-dazzlingly colourful in beds, borders or containers. 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.
More info
    • 1 packet (100 petunia seeds)

    • Despatch: Within 1 days
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    • £3.49

Aster 'Starlight Mixed'

Callistephus chinensis, China Aster

One of the best dwarf Asters! Intriguing spider-like flowers smother compact basal branched plants in attractive shades of blue, purple, scarlet and rose. Early to flower, adding a colourful display to borders or patio containers over a long flowering period. Height: 20cm (8in). More info
    • 1 packet (150 aster seeds)

    • Despatch: Within 1 days
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    • £2.99