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 22 products.
 
Cosmos Bipinnatus Gazebo Mixed

Cosmos bipinnatus 'Gazebo Mixed'

 Customer Rating
A mid-height, easy to grow annual with well branched plants which come into flower earlier than most varieties. The attractive fern-like foliage is crowned with many large blooms of velvet red, rose-pink and pure white. An ideal border filler, or simply use in a large container or as a bedding plant. Flowers summer. Height: 60cm (24in). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Zinnia elegans 'Pop Art Golden & Red'

Zinnia elegans 'Pop Art Golden & Red'

  • NEW in 2013
  • Fleuroselect Approved Novelty
This magnificent variety is a worthy winner of its Fleuroselect Novelty award. The large golden blooms, carried on tall stems, are flecked and splashed with intricate red markings, making each bloom completely unique. These long lasting zinnia flowers are particularly attractive to butterflies and make a superb cut flower too. Zinnia elegans 'Pop Art Golden & Red' is perfect for creating an eye catching splash of colour in beds and borders. Height: 60cm (24"). Spread: 30cm (12"). More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Cosmos Bipinnatus Sonata Series Mixed

Cosmos bipinnatus 'Sonata Series Mixed'

An RHS AGM 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 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49
Dahlia Variabilis Double Extreme

Dahlia variabilis 'Double Extreme'

Extremely attractive dwarf selection, producing a mass of high quality double and semi double flowers in an rich colour mixture, featuring some unique sunset shades. A stunning addition for beds, borders or containers, providing colour throughout the summer. Height: 45-60cm (18-24 inches). More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Zinnia elegans 'Whirlygig Mixed'

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 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Aster Chinensis Duchess Mixed

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

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

    • Despatch: Within 2 Days
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    • £2.69
Zinnia Elegans Envy Double

Zinnia elegans 'Envy Double'

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

    • Despatch: Within 2 Days
    •  
    • £1.49
Cosmos Bipinnatus Sonata Series White

Cosmos bipinnatus 'Sonata Series White'

A Fleuroselect Award Winning variety with purest white blooms. 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 White’ float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for an elegant bouquet. Cosmos ‘Sonata Series White' is particularly useful for exposed positions. Height: Up to 60cm (24”). Spread: 45cm (18”). More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.69
Zinnia Elegans Giant Double Mixed

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 seeds)

    • Despatch: Within 2 Days
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    • £2.19
Dahlia Variabilis Collarette Dandy

Dahlia variabilis 'Collarette Dandy'

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 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Cosmos Antiquity

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. More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
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    • £2.99
Aster Chinensis Florette Champagne

Aster 'Florette Champagne'

Callistephus chinensis, China Aster

 A superb aster which makes a fine display in the border and is wonderful for cutting. The extra double large quilled flowers of soft creamy pink are borne on thick, strong stems. Robust in growth and free flowering. Height 50-60cm (20-24in). Flowers summer. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
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    • £1.49