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 142 products.
 

Nicotiana x sanderae 'Fragrant Cloud'

Tobacco Plant

A very attractive and free flowering type with large pure white sweetly scented flowers on sturdy plants.
More info
    • 1 packet (1000 nicotiana seeds)

    • Despatch: Within 1 days
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    • £2.29

Cosmos bipinnatus 'Antiquity'

A completely unique colour in Cosmos. Flowers are rich burgundy on opening and change to an antique bronze-salmon when ageing creating an attractive, two-toned effect. Very early flowering and floriferous all summer. Excellent for borders or containers.
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    • 1 packet (30 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Zinnia elegans 'Magellan Mixed' F1 Hybrid

Uniform, bushy, free-flowering plants produce large, fully double blooms of exceptional quality and weather resistance. Ideal planted in borders and containers for a knock-out display all summer. Height: 30-35cm (12-14in).
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    • 1 packet (10 zinnia seeds)

    • Despatch: Within 1 days
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    • £0.99

Zinnia elegans 'Whirlygig Mixed'

Fill your beds and borders with these distinctly marked, brightly coloured, semi cactus-like blooms, each with contrasting petal tips. Zinnia elegans 'Whirlygig Mixed' is an outstanding garden performer, freely flowering throughout the summer. These vibrant zinnia flowers are ideal for attracting bees and butterflies to your garden and also make an attractive cut flower for a vase indoors. Height: 60cm (24"). Spread: 30cm (12").
More info
    • 1 packet (200 zinnia seeds)

    • Despatch: Within 1 days
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    • £1.99

Cosmos bipinnatus 'Capriola'

You won't be able to resist this showy new Cosmos in your summer borders. 'Capriola' carries plenty of bright, two-tone flowers, which are produced on branching plants all summer long. Easy to grow from seed this stunning cosmos is good for beds, borders and large patio containers. Height 120cm (47"). Spread: 60cm (24"). More info
    • 1 packet (30 cosmos seeds)

    • Despatch: By end of May 2016
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    • £2.99

Zinnia elegans 'Giant Double Mixed'

Large double flowers and long rigid stems which make them ideal for cutting. The symmetrical form of each flower makes it a thing of beauty in itself. A good blend of the best colours with giant 11cm (4½in) blooms . More info
    • 1 packet (60 zinnia seeds)

    • Despatch: Within 1 days
    •  
    • £2.59

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

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

    • Despatch: Within 1 days
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    • £2.99

Dahlia variabilis 'Redskin'

Very double, compact free-flowering with maroon to bronze-green foliage. A particularly good combination with marigolds. Height: 30-38cm (12-15in).
More info
    • 1 packet (30 dahlia seeds)

    • Despatch: Within 1 days
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    • £0.99

Cosmos bipinnatus 'Sonata Series Mixed'

An award winning variety in a superb mixture of colours. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24") making it perfectly proportioned for sunny borders and containers. The 8cm (3") wide, daisy-like blooms of Cosmos 'Sonata Series Mixed' float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for a colourful bouquet. Cosmos 'Sonata Series Mixed' is particularly useful for exposed positions. Height: Up to 60cm (24"). Spread: 45cm (18").
More info
    • 1 packet (30 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Rudbeckia hirta 'Prairie Sun'

Coneflower, Black-eyed Susan

 Customer Rating

An impressive debut for beds and borders, this unique new plant was awarded a Fleuroselect Gold Medal. The unusual blooms with central green cones and bright orange petals radiating back to lemon yellow, make dazzling cut flowers.

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    • 1 packet (25 rudbeckia seeds)

    • Despatch: Within 1 days
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    • £3.49

Cosmos bipinnatus 'Double Click Snow Puff'

The spectacular white, pom-pom flowers with a delicate hint of blushed pink of Cosmos Double Click Snow Puff sit on sturdy stems making this latest colour in the 'Double Click' series. Makes an excellent cut flower as well as adding height and interest to borders all summer.
More info
    • 1 packet (50 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Dahlia variabilis 'Collarette Dandy'

 Customer Rating
Dwarf bushy dahlias with delightful "collarette" form, in many shades of red, yellow, orange and white all with white matching or contrasting inner collar of quilled petals. Height: 50-60cm (20-24in).
More info
    • 1 packet (55 dahlia seeds)

    • Despatch: Within 1 days
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    • £2.99 £0.99