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 281 products.
 

Cosmos bipinnatus 'Psyche White'

Glistening pure white semi-double and single, large, wavy, upright blooms stand proud above deep green ferny foliage. Flowers non-stop from mid summer until autumn adding height and interest to borders, or as a striking cut flower.
More info
    • 1 packet (75 cosmos seeds)

    • Despatch: By end of August 2016
    •  
    • £2.99

Butterfly Pea

Clitoria ternatea, Blue Pea

A fast-growing tropical climber producing a wonderful display of 5cm (2in) blue flowers from mid to late summer. Ideal for covering trellis in a sheltered part of the garden where it will attract bees and butterflies, or as a perennial grown in a conservatory. Climbs 1.8m-2.4m (6-8 feet). More info
    • 1 packet (20 seeds)

    • Despatch: By end of August 2016
    •  
    • £2.99

Osteospermum 'Glistening White'

Dimorphotheca pluvialis, African Daisy, Rain Daisy, Dimorphotheca annua

From the South African countryside comes this classic, silky, pure white flowering plant. For the front of the border in full sun it certainly lives up to its name with the flowers a pure glistening white throughout the day, and closing up each evening. The flowers are borne in great profusion over the whole plant, magnificent for the border, pots, patios and all sunny places. More info
    • 1 packet (80 osteospermum seeds)

    • Despatch: By end of August 2016
    •  
    • £2.99

Nicotiana x sanderae 'Eau de Cologne Mixed' F1 Hybrid

Tobacco Plant

A specially selected blend, offering uniform, mid height plants, in a glowing colour range with upward facing blooms. The evening fragrance adds to their irresistible charm and elegance and is guaranteed to enhance your borders. More info
    • 1 packet (40 nicotiana seeds)

    • Despatch: By end of August 2016
    •  
    • £2.99

Mirabilis longiflora

Spectacular and highly fragrant 10- 15cm (4-6in) long 'trumpet' flowers of Mirabilis longiflora open at dusk and close the following morning, filling the garden with their night time scent. The white and pale pink flowers with their dark pink centres sometimes reach 20cm (8in) long and their curling, magenta stamens are even longer, often projecting up to 5cm (2in) beyond the flower tips. More info
    • 1 packet (30 mirabilis seeds)

    • Despatch: By end of August 2016
    •  
    • £0.99

Antirrhinum majus 'Lucky Lips'

Antirrhinum majus, Snapdragon

Fantastic, easy to grow Snapdragon for beds and borders. Get the vintage look in your garden with this handsome Snapdragon. Plants are really easy to grow, performing strongly in sunny borders as well as shady spots. The spikes of softly fragrant blooms are two-tone, long-lasting and make a great cut flower option. Height: 60cm (24"). Spread 40cm (16"). More info
    • 1 packet (200 antirrhinum seeds)

    • Despatch: By end of August 2016
    •  
    • £0.99

Marigold 'Sunspot Mixed'

Tagetes erecta, African Marigold

All the quality of an F1 Hybrid marigold packed into an open pollinated variety. That means real value for money! Dwarf, compact plants have good sized flower heads of orange, light yellow and gold and begin blooming much earlier than other varieties of this kind. More info
    • 1 packet (100 marigold seeds)

    • Despatch: By end of August 2016
    •  
    • £2.99

Gourd 'Crown Of Thorns'

Cucurbita pepo

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

    • Despatch: By end of August 2016
    •  
    • £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.
More info
    • 1 packet (100 antirrhinum seeds)

    • Despatch: By end of August 2016
    •  
    • £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: By end of August 2016
    •  
    • £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: By end of August 2016
    •  
    • £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.
More info
    • 1 packet (200 antirrhinum seeds)

    • Despatch: By end of August 2016
    •  
    • £2.69