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 13 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
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    • £2.69

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
    •  
    • £3.39

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

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
    •  
    • £2.69

Antirrhinum nanum 'Dwarf Bedding Mixed'

Snapdragon

A glittering mixture in a wide range of colours. Their low and compact habit makes them an essential item for the smaller garden. More info
    • 1 packet (4500 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

Antirrhinum nanum 'Twinny Peach' F1 Hybrid

Snapdragon

One of the best new antirrhinum introductions for many years, Antirrhinum Twinny Peach is the first dwarf double F1 Hybrid variety available. Compact, bushy plants with many branching stems produce stunning double blooms in breathtaking peach shades. The blooms are so double and tightly closed that bees are unable to enter, which prolongs the flowering period in the garden and adds to the outstanding garden performance of Antirrhinum Twinny Peach. Simply stunning planted in borders or containers.
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £3.39

Zinnia marylandica 'Zahara Starlight Rose'

Truly spectacular 2010 AAS award-winning bedding plant! The pretty white flowers with an attractive pinky-rose centre are 6cm (2.5in) across when fully open. Bushy, dwarf plants flower freely and are so tolerant of such conditions as heat, humidity and drought that they were planted extensively in floral displays at the Beijing Olympics.

Non-stop-flowering Zinnia Zahara Starlight Rose follows on from the success of Zahara Yellow and will similarly attract beneficial insects, such as butterflies, to the garden. A real 'must' for borders this season!

More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
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    • £3.29

Antirrhinum majus 'Bronze Dragon'

Snapdragon

These eye-catching, bushy, dwarf plants have the darkest, almost black foliage we have ever seen on an Antirrhinum! Bred by Thompson & Morgan, Bronze Dragon looks almost as attractive before flowering as it does when smothered in its gorgeous, purple and white bicoloured blooms. Truly outstanding in borders or containers and can also boast very good rust resistance.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

Salvia splendens 'Red Arrow'

Scarlet Sage

An excellent all-rounder. Red Arrow produces lots of vivid red flowers set-off against deep green foliage and its excellent lateral branching habit makes it very effective in mass displays in beds, borders etc. Recommended also for window boxes, patio tubs, containers etc. Flowers summer. Height 28cm (11 in). More info
    • 1 packet (60 seeds)

    • Despatch: Within 3 days
    •  
    • £0.99

Aster 'Starlight Mixed'

Callistephus chinensis, China Aster

One of the best dwarf Asters! Intriguing spider-like flowers smother compact basal branched plants in attractive shades of blue, purple, scarlet and rose. Early to flower, adding a colourful display to borders or patio containers over a long flowering period. Height: 20cm (8in). More info
    • 1 packet (150 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Antirrhinum nanum 'Twinny Series Collection' F1 Hybrid

Snapdragon

These compact snapdragon plants produce heavily ruffled blooms in breathtaking pastel shades. With a bushy, branching habit, Antirrhinum nanum 'Twinny Series Collection' makes superb, long lasting summer bedding and adds a soft, feminine feel to patio containers. Collection includes Antirrhinum 'Twinny Appleblossom' F1 Hybrid and Antirrhinum 'Twinny Peach' F1 Hybrid. Height: 30cm (12”). Spread: 25cm (10”). More info
    • 2 x 1 packet (60 seeds in total)

    • Despatch: Within 3 days
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    • £4.99