Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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 59 products.
 

Nasturtium 'Phoenix'

Tropaeolum minus, Indian Cress

Curious split petals make the flame-like flowers of Nasturium ‘Phoenix’ particularly eye catching. Prolific and free flowering, the blooms are produced in abundance in beautiful fiery shades of gold, orange and red. Like all Nasturtiums, it’s easy to grow. Let its bushy stems spill from hanging baskets and window boxes or create a carpet of colour in beds and borders. Height: 30cm (12"). Spread: 35cm (14").

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

More info
    • 1 packet (25 nasturtium seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

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
    •  
    • £2.69

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

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

More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Nasturtium 'Rumba Mix'

Tropaeolum minus, Indian Cress

A vibrant colour combination of single and semi-double, red and peach flowers set above attractive dark green foliage. Nasturtium 'Rumba Mix' is easy to grow, creating a carpet of colour in beds, borders or containers where its lax habit tumbles over the edge, freely flowering all summer. Try growing Nasturtiums in the vegetable plot too and use the edible flowers and leaves to brighten salads. Height: 30cm (12"). Spread: 35cm (14").


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
    •  
    • £2.09

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

Begonia 'Apricot Shades'

Begonia x tuberhybrida 'Apricot Shades Improved' F1 Hybrid

 Customer Rating
A best seller, Begonia Apricot Shades is as versatile as it is beautiful! Large, cascading double blooms in sunshine shades of apricot and lemon will pour from your containers from July to October. These tuberous begonias will perform whatever the weather, in sun or semi shade. The trailing habit of Begonia Apricot Shades makes them ideal for hanging baskets, window boxes and flower pouches for a really impressive display that will light up even a shady corner. Height: 30cm (12Ó). Spread: 45cm (18Ó).

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

More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £3.99

Busy Lizzie 'Divine Mixed' (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
    •  
    • £4.29

Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid

Giant, fully double flowers of burgundy or plum veined, often more than 10cm (4in) across! Add to this its cascading habit and you have one of the very best basket and container plants creating a waterfall of pleated powderpuffs all summer long. Height: 23-30cm (9-12in). Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer.Click here to buy now. More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

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
    •  
    • £2.99

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
    •  
    • £2.49

Marigold 'Bonita Mixed'

Tagetes patula, French Marigold

A sparkling mixture of free flowering, large carnation-sized blooms. Superb for bedding. Height 12in.

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

More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99