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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 64 products.
 

Cosmos sulphureus 'Brightness Mixed'

 Customer Rating

Possibly the most free-flowering cosmos of this type. Dwarf and bushy plants are covered with flowers in a delightful mixture of gold, lemon, orange and red from early summer through to the autumn frosts. Spectacular when planted towards the front of annual borders or in containers.

More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Nasturtium 'Crimson Emperor'

Tropaeolum majus, Indian Cress

Masses of deep crimson blooms with golden yellow throats cover the lax, sprawling stems of this vigorous variety. The semi-trailing habit and lush green foliage make Nasturtium 'Crimson Emperor' an ideal choice for summer groundcover. Perfect covering banks, filling beds and borders or spilling from baskets and patio containers. Height: 30cm (12"). Spread: 200m (78").

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

Press release: Chance find becomes Thompson & Morgan's Flower of the Year

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    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.29

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 seeds)

    • Despatch: Within 3 days
    • SAVE £2.50  
    • £3.49 £0.99

Antirrhinum nanum 'Twinny Appleblossom' F1 Hybrid

Snapdragon

You can look forward to an extra long lasting display from this fully double snapdragon, because the flowers are so tightly ruffled that insects struggle to pollinate them. This superb variety has a basal branching habit that produces compact, bushy plants. An outstanding garden performer, Antirrhinum nanum 'Twinny Appleblossom' is perfect for filling your borders, beds and containers with pretty pastel shades throughout summer. Height: 30cm (12"). Spread: 25cm (10"). More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.19

Petunia x hybrida 'Sparklers'

  • Fleuroselect Approved Novelty
The first ever star-shaped petunia from seed! A white version of this uniquely-shaped flower was originally sent to us by a customer in 1998. After 10 years of breeding and many generations of selection, the perfect star shape was obtained as well as this fabulous range of colours. Even the foliage of Petunia x hybrid 'Sparklers' is unusual, being pointed rather than rounded. Grow this striking variety in containers or let its spreading stems spill over the edges of hanging baskets for a most unusual summer display. Height: 30cm (12"). Spread: 35cm (14").
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Busy Lizzie 'Divine' (New Guinea)

Impatiens x hawkeri

Cut the risk of disease with this robust, downy mildew resistant New Guinea Impatiens. Busy Lizzie 'Divine' flowers endlessly, in a wonderful bright colour mix, from June to November on strong, spreading plants that will quickly fill pots and cover beds and borders. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Marigold 'Tomato Growing Secret'

Tagetes patula, French Marigold

For many decades in certain parts of the old world it has been the practice to grow African or French marigolds of a certain type to repel white fly on tomatoes in greenhouses or outdoors. It has also been found that the tomatoes grow better and bear more fruit with marigolds around them.

 

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 (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Marigold 'Dune Mixed'

Tagetes erecta, African Marigold

From the best of British breeding this outstanding African marigold offers amazing garden and container performance, in an eye-catching mixture of yellow, gold and orange. The flowers of this superb annual have a unique petal formation which prevents excessive water being held in the blooms, making them extremely weather resistant. Superb value for money, Marigold 'Dune Mixed' is the best open-pollinated marigold available! Height and spread: 30cm (12”). More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.19

Nasturtium 'Whirlybird Mixed'

Tropaeolum majus, Indian Cress

Low mounds covered with a mass of bloom. The semi-double flowers are carried well above the foliage and face upwards so all are visible. Mixture of cherry, rose, gold, mahogany, orange, scarlet, tangerine and cream. Ideal for bedding, borders, tubs, containers etc. Flowers can be cut for unusual floral decorations.

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

More info
    • 1 packet (25 seeds)

    • Despatch: By end of June 2014
    •  
    • £1.99

Nasturtium 'Milkmaid'

Tropaeolum majus, Indian Cress

An almost white Nasturtium, featuring delicate blooms in captivating moonlit shades, the closest to white ever. Use this soft contrast in your beds, borders and containers for continuous summer colour. Easy to grow in a range of situations.

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

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

Aster 'Milady Mixed'

Callistephus chinensis, China Aster

Excellent for bedding , these plants are robust, bushy and very wilt resistant. Well formed, globular, weather resistant flowers in blue, pink, rose, rose-red and white are produced over a long period. Useful as a summer flowering pot plant, for window boxes etc. More info
    • 1 packet (150 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Salvia splendens 'Blaze of Fire'

Scarlet Sage, Salvia splendens 'Fireball'

One of the most famous summer annual bedding plants, long flowering, early flowering, compact and neat. It is a frost tender annual. Ideal for bedding and edging. Other excellent sites are windowboxes and tubs. Flowers summer. Height 30cm (12in).
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49