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 25 products.
 

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: By end of June 2015
    •  
    • £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 seeds)

    • Despatch: Within 1 days
    •  
    • £2.59

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 (24Ó) making it perfectly proportioned for sunny borders and containers. The 8cm (3Ó) 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 (24Ó). Spread: 45cm (18Ó).
More info
    • 1 packet (30 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

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

    • Despatch: Within 1 days
    •  
    • £2.99

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 1 days
    •  
    • £2.99

Cosmos bipinnatus 'Sonata Series White'

A Fleuroselect Award Winning variety with purest white blooms. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24Ó) making it perfectly proportioned for sunny borders and containers. The 8cm (3Ó) 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 (24Ó). Spread: 45cm (18Ó).
More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

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 seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Dahlia variabilis 'Dandy Improved Mixed'

Cheery dwarf Dahlias are perfect for brightening up beds, containers and the front of borders. Dahlia variabilis ‘Dandy Improved Mixed’ is the result of years of selection to bring together the best range of colours and flower forms. These compact bedding Dahlias produce long lasting blooms that attract pollinating insects and make lovely cut flowers. Height: 60cm (24"). Spread: 45cm (18"). More info
    • 1 packet (80 dahlia seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Marigold 'Pots of Gold'

Tagetes patula, French Marigold

An exclusive blend of French marigolds, including three fiery colours - golden, striped and a fabulous vibrant red. Bushy plants produce masses of single flowers atop tall sturdy stems which have a uniform height, making them perfect for cutting. Attractive to bees and butterflies, Marigold 'Pots of Gold' makes an eye-catching addition to the middle of beds, borders and containers for a colourful and long-lasting summer display. Height: 60cm (24"). Spread: 45cm (18").

 

Culinary note: French Marigold flowers are edible.

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

More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

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 1 days
    •  
    • £2.99

Aster 'Spider Chrysanthemum Mixed'

Callistephus chinensis, China Aster

An exclusive blend of Asters, with stunning blooms resembling a Spider Chrysanthemum in a dazzling mixture of colours. Excellent planted en masse in borders or used as a cut flower. More info
    • 1 packet (200 seeds)

    • Despatch: Within 1 days
    •  
    • £2.89

Rudbeckia hirta 'Rustic Dwarfs Mixed'

Coneflower, Black-eyed Susan

 Customer Rating
Long-stemmed plants with large flowers of rich yellow, gold, bronze and mahogany with black cone. An excellent subject for beds and borders, it will tolerate wet weather. Flowers late summer/autumn. Height only 60cm (24in).
More info
    • 1 packet (350 seeds)

    • Despatch: Within 1 days
    •  
    • £2.69