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 5 products.

Petunia x hybrida 'Blueberry Lime Jam' F1 Hybrid

This designer petunia mixture brings together a stunning combination of lime green and midnight purple blooms. The spreading stems will quickly knit together to create superb ground cover. Grow Petunia 'Blueberry Lime Jam' in beds, borders and containers for a simply spectacular display that will flower throughout the summer until the first frosts. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (15 petunia seeds)

    • Despatch: Within 1 days
    • £3.49 £0.99

Petunia grandiflora 'Sophistica Lime Bicolour' F1 Hybrid

An abundance of intriguingly coloured blooms, each one individually marked with dramatic splashes and stripes of pale lime green and rose pink. This is a colour combination never before seen in petunias, so Petunia grandiflora Sophistica Lime Bicolour is sure to attract attention and admiration in borders or containers where it will flower all summer. More info
    • 1 packet (12 petunia seeds)

    • Despatch: Within 1 days
    • £0.99

Aster 'Hulk'

Callistephus chinensis, China Aster

A unique Aster with attractive petal-less green 'flowers' with white and yellow centres. These well branched, free-flowering giants are sure to add height and interest to borders, as well as making an intriguing and long lasting cut flower. Height: 90cm (3 feet).
More info
    • 1 packet (30 aster seeds)

    • Despatch:
    • £1.49
    • Out of stock

Nicotiana langsdorffii

Tobacco Plant, Langsdorff's Tobacco

A delightful annual from Chile and Brazil with tall branching stems and drooping sprays of apple green bells. Very exotic, yet easy to grow. Ideal for the back of the border or as a 'dot' plant among smaller bedding plants. Try growing it next to our Salvia pratensis, it looks superb. An absolute must for the flower arranger too! Height: 90-150cm (3-5ft)
More info
    • 1 packet (500 nicotiana seeds)

    • Despatch: Within 1 days
    • £2.69

Zinnia elegans 'Envy Double'

Chartreuse-green unique colour, and suitable for semi-shaded sheltered sites. More info
    • 1 packet (100 zinnia seeds)

    • Despatch: Within 1 days
    • £1.49