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 324 products.
 

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.
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Gazania 'Tiger Stripes Mixed'

Treasure Flower

Wow! A stunning blend of flowers, in shades of yellow, rose, bronze and cream, with an attractive, contrasting stripe on every bloom. Easy to grow and flowering all summer long, they are sure to bring your beds, borders and containers to life. More info
    • 1 packet (20 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

Wonderful flowers - like incurved chrysanthemums. More info
    • 1 packet (250 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Petunia hybrida 'Purple Tower' F1 hybrid

  •  Customer Rating
    Fastest climbing petunia from seed
Petunia hybrida 'Purple Tower' comes straight from T&M’s own breeding programme. Long stems and astonishing vigour make this the fastest climbing petunia available from seed - easily scaling a 120cm (4ft) climbing frame by the end of the summer. Train the free-flowering stems onto a plant climbing support for a pillar of fragrant blooms, or let them spread through beds and borders as a carpet of colourful ground cover. The perfect focal point for your garden this summer! Height and spread: 120cm (48").
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Begonia x tuberhybrida 'Non-Stop® Mixed' F1 Hybrid

Nine different colours, put these in a class of their own for impact with 7-9cm (3-3½in) blooms. Height: 20-25cm (8-10in).

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

More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £4.99

Marigold 'Bonita Mixed'

Tagetes patula, French Marigold

A sparkling mixture of free flowering, large carnation-sized blooms. Superb for bedding. Height 12in.

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

More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Mina lobata

Ipomoea lobata, Spanish Flag, Ipomoea versicolor, Quamoclit lobata

 Customer Rating
An exotic looking climber, with twining stem ideal for rambling over trellises, fences etc. The flowers are very impressive with up to 12 per flower spike producing a spectacular combination as they age. They start off a most powerful and stunning bright red and as they mature they go from red to orange, orange to yellow and from yellow to white and all are out at the same time. A plant positively loaded with flowers is an impressive sight. Climbs to 120-180cm (4-6ft).
More info
    • 1 packet (16 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Petunia grandiflora 'Limoncello' F1 Hybrid

The best ever yellow Petunia! Bushy, compact and free-flowering, with large wavy blooms in an attractive two tone creamy-yellow bicolour, resembling the delicious Italian liqueur. Adds a zest of lemon to borders or containers. Prefers a light, well drained soil in full sun. Height 20-25cm (8-10 inches). 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 (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Rudbeckia hirta 'Toto'

Coneflower, Black-eyed Susan

Dwarf, compact plants which have plenty of strong side shoots and many rich golden-yellow blooms, each with a deep chocolate central cone. Early to flower over a long period and looking great in all types of weather. An ideal candidate for containers, bedding or grown in groups in the border. Flowers summer. Height: 25cm (10in).
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Gazania splendens 'New Day Mix' F1 Hybrid

Treasure Flower

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: By end of February 2015
    •  
    • £3.49

Marigold 'Zenith Mixed'

Tagetes patula x erecta, Afro-French Marigold

 Customer Rating

The best ever bedding Marigold! Zenith is an Afro-French Hybrid, resulting in plants producing more flowers than almost as large as an African Marigold. Very bushy and vigorous plants producing masses of large crested or carnation-like flowers, in a wide range of yellows, reds, oranges and bicolour shades. Outstanding weather resistance. Ideal for planting en-masse creating the 'wow' factor in borders or containers. Height: 30-35cm (12-14in).

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

More info
    • 1 packet (40 seeds)

    • Despatch: By end of February 2015
    •  
    • £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 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69