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 48 products.
 
Petunia Grandiflora Pendula Lady Purple F1

Petunia grandiflora pendula 'Lady Purple' F1 Hybrid

This genuinely cascading Petunia is smothered in bright purple-pink flowers, each with a black throat. Plants are only 15cm (6in) high and can spread up to 90cm (3ft), making them ideal candidates for all types of container and baskets. Non-stop flowering, even during mild frosts, gales and heavy rain, plants will quickly revive. Because plants are seed raised, you can grow with confidence, assured that there is no risk of virus. Awarded a Fleuroselect Quality Mark. 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 (20 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Petunia Milliflora Fantasy F1

Petunia milliflora 'Fantasy' F1 Hybrid

Petunia "Fantasy" has a habit which is not just a miniature but also compact. In fact they are 36 per cent the size of normal multiflora types and it means that plants don't become straggly and untidy but remain neat and uniform. This beautiful formulated mixture comes in a wide range of colours. They are highly floriferous with outstanding garden performance in most conditions and look a real knock-out in containers, baskets and border edging. 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 (75 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.29
Lobelia 'White Cascade'

Lobelia erinus 'White Cascade'

Freely branching plants are covered in myriads of bloom to create clouds of dazzling ice white lobelia flowers. Exquisite trailing Lobelia ‘White Cascade’ makes an outstanding display when massed in containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 15cm (6”). Spread: 25cm (10”). More info
    • 1 packet (1750 seeds)

    • Despatch: Within 2 Days
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    • £2.09
Brachycome Iberidifolia Bravo

Brachyscome iberidifolia 'Bravo'

Swan River Daisy, Brachycome

 An exciting mixture of the "Swan River Daisy" in three distinct bright colours: white, blue and violet, each with a striking black centre - plus a few surprise colour combinations too. A valuable bedding and container plant. Awarded a Fleuroselect Quality Mark. Flowers summer. Height: 20-25cm (8-10in). More info
    • 1 packet (175 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Petunia Waves Mixed F1 Hybrid

Petunia 'Waves Mixed' F1 Hybrid

Quite unique for 'flower power' and its exceptional trailing habit. One of the best Petunias for ground cover, baskets and Flower PouchesT. Non-stop flowering even during heavy rain. Height: 15cm (6in) spreading to 90cm (3ft). 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 (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.99
Begonia X Tuberhybrida Chanson Pink & White Bicolour F1 Hybrid

Begonia x tuberhybrida 'Chanson Pink & White Bicolour' F1 Hybrid

Trailing stems up to 45cm (18in) An outstanding basket variety producing long trailing stems, smothered in large double and semi-double Camelia-like flowers, in two spectacular bicolour shades. Ideal for filling baskets, window boxes or Flower PouchesT with colour, from July right though to October. Height: 23-30cm (9-12in). Stems trail to 80cm (32in) in length.

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

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Begonia X Tuberhybrida Chanson Orange & Yellow Bicolour F1 Hybrid

Begonia x tuberhybrida 'Chanson Orange & Yellow Bicolour' F1 Hybrid

Trailing stems up to 45cm (18in) An outstanding basket variety producing long trailing stems, smothered in large double and semi-double Camelia-like flowers, in two spectacular bicolour shades. Ideal for filling baskets, window boxes or Flower PouchesT with colour, from July right though to October. Height: 23-30cm (9-12in). Stems trail to 80cm (32in) in length.

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

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Lobelia 'String Of Pearls'

Lobelia erinus compacta 'String of Pearls'

A well balanced mixture of the brightest colours for a dazzling, long lasting summer display. Lobelia ‘String of Pearls’ makes a sparkling addition to beds, containers, flower Pouches® and window-boxes, and even looks well placed in the rockery. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 10cm (4”). Spread: 15cm (6”). More info
    • 1 packet (2500 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Begonia X Tuberhybrida Pendula Chanson Deep Red F1 Hybrid

Begonia x tuberhybrida pendula 'Chanson Deep Red' F1 Hybrid

An outstanding basket variety producing long-trailing stems, smothered in large double and semi-double Camelia-like flowers in two spectacular bicolour shades and a vibrant red. Ideal for filling baskets, window boxes or Flower Pouches® with colour from July right through to October. Height: 23-30cm (9-12in) Stems trail to 45-60cm (18-24in) in length.

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

 More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99
Begonia Boliviensis

Begonia boliviensis

With its bright orange, bell-shaped flowers which cover the plant from late spring throughout the summer, Begonia Boliviensis is a delightful, easy-to-grow begonia that is perfect in containers, hanging baskets and as a landscape plant. Of special historical interest to gardeners, begonia boliviensis was introduced to Europe in 1864 and is one of the species used to produce the first hybrid tuberous begonia in England. Height: 45-60cm (18-24in) with a similar spread and trailing length. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Begonia Semperflorens Options Mixed

Begonia semperflorens 'Options Mixed'

The various flower and foliage combinations include white and rose bicolour, vermilion, white and scarlet with bronze foliage, carmine, pink and geranium red with dark foliage. Seeds are dust-like and need careful handling. Flowers summer. Height 17-23cm (7-9in). More info
    • 1 packet (750 seeds)

    • Despatch: Within 2 Days
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    • £2.49
Begonia 'Pink Showers'

Begonia 'Pink Showers'

Begonia x weltoniensis
  • NEW & EXCLUSIVE in 2013
Showers of petite, rose-pink single flowers with pretty yellow centres hang in clusters against an attractive backdrop of unusual maple-like foliage. Begonia ‘Pink showers’ is particularly free flowering, blooming constantly throughout summer and well into autumn. This stunning trailing begonia makes a magnificent display in containers or spilling from hanging baskets and window boxes. Height: 25cm (10"). Spread: 60cm (24"). More info
    • 1 packet (20 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99