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 cosmos seeds)

    • Despatch: By end of July 2015
    •  
    • £2.99

Marigold 'Crackerjack Mixed'

Tagetes erecta, African Marigold

Big, bold double flowers in orange, gold and lemon borne well above the foliage. A very early and free flowering strain Flowers summer. Height 24in.

More info
    • 1 packet (250 marigold seeds)

    • Despatch: By end of October 2015
    •  
    • £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: By end of August 2015
    •  
    • £2.69

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 cosmos seeds)

    • Despatch: By end of September 2015
    •  
    • £2.99

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 marigold seeds)

    • Despatch: By end of September 2015
    •  
    • £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 cosmos seeds)

    • Despatch: By end of October 2015
    •  
    • £2.99

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: By end of January 2016
    •  
    • £1.99

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: By end of July 2015
    •  
    • £1.99

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: By end of August 2015
    •  
    • £2.59

Zinnia elegans 'Envy Double'

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

    • Despatch: By end of December 2015
    •  
    • £1.49

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: By end of December 2015
    •  
    • £2.99

Zinnia 'Red Spider'

Zinnia tenuifolia

This dazzling Zinnia is sure to attract some admiring glances, as it tip toes suggestively though beds and borders. Exquisite neat and compact plants with masses of rich, scarlet flowers, with scalloped petals of the most alluring, spider like appearance. A sunny position brings to life this magical colour, which is a striking complement to any bedding display. Height: 60-75cm (24-30in). More info
    • 1 packet (50 zinnia seeds)

    • Despatch:
    •  
    • £2.99
    • Out of stock