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 51 products.
 
Lobelia pendula 'Monsoon'

Lobelia pendula 'Monsoon'

  • NEW in 2013
  • Attractive late summer bronze foliage
If you liked Lobelia ‘Crystal Palace’ then this trailing version is sure to appeal. With a vigorous cascading habit and masses of deep blue flowers, Lobelia ‘Monsoon’ is ideal for filling baskets and containers or spilling over low walls and rockeries. The bright green summer foliage matures to a rich shade of bronze as the autumn approaches for a spectacular late summer display. Height: 15cm (6"). Spread: 30cm (12"). More info
    • 1 packet (650 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.99
Marigold : Tomato Growing Secret

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 2 Days
    •  
    • £2.49
Marigold 'Dune Mixed'

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 2 Days
    •  
    • £1.99
Petunia X Hybrida Super Cascade Improved F1

Petunia x hybrida 'Super Cascade Improved' F1 Hybrid

 Customer Rating
The first fully integrated petunia mixture. For hanging baskets, containers and walls. The Super Cascades are much freer flowering and will cascade in 8 different colours - blue, white, pink, blush, cerise, salmon, scarlet and violet from a formula blending of seed. Weather tolerance, heat and wet, is excellent, they bloom from planting out to frost and have good drought tolerance. 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. More info
    • 1 packet (90 seeds)

    • Despatch: Within 2 Days
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    • £3.99
Mesembryanthemum Sparkles Mixed

Mesembryanthemum 'Sparkles Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

  Customer Rating

At last! A plant that not only tolerates, but positively thrives in dry, hot, sunny borders and rockeries! The succulent, fleshy-leaved plants cover the ground quickly, and become clothed in a rich carnival of colour all summer long.

 More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Mesembryanthemum Criniflorum Apricot Tutu

Mesembryanthemum criniflorum 'Apricot Tutu'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

Apricot Tu Tu creates a glowing display of gorgeous apricot, frilled blooms. A quick carpeting plant which will practically paint the ground in colour. Very tough and easily grown.

 More info
    • 1 packet (200 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.69
Osteospermum Sinuata African Sun

Osteospermum 'African Sun'

Dimorphotheca sinuata, African Daisy, Star of the Veldt, Dimorphotheca aurantiaca

Bushy, free-flowering plants, like a radiant sun with eye-catching golden yellow and vibrant orange bicoloured blooms. Stunning n containers as well as hot, dry borders, attracting bees and butterflies. Height: 30-45cm (12-18 inches).

 More info
    • 1 packet (80 seeds)

    • Despatch: Within 2 Days
    • SAVE £1.40  
    • £2.39 £0.99
Salvia Splendens Blaze Of Fire

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 2 Days
    •  
    • £2.29
Nasturtium 'Black Velvet'

Nasturtium 'Black Velvet'

Tropaeolum minus 'Black Velvet', Indian Cress

 A unique colour in Nasturtiums! Deepest velvety, red-black blooms in abundance above fresh green foliage on neat, dwarf plants. Sure to create an eyecatching display in borders or containers when accompanied by Milkmaid. Will grow in any well-drained soil in full sun.

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 2 Days
    •  
    • £2.69
Mesembryanthemum Criniflorum Magic Carpet Mixed

Mesembryanthemum criniflorum 'Magic Carpet Mixed'

Dorotheanthus bellidiformis, Livingstone Daisy, Ice Plant

  Customer Rating
Carpet like growth with leaves that appear to be sprinkled with ice crystals. Produces a glowing display in full sun on beds, borders, dry banks, rockeries, etc. More info
    • 1 packet (2600 seeds)

    • Despatch: Within 2 Days
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    • £1.99
Antirrhinum majus pumilum 'Magic Carpet' - Part of the Alan Titchmarsh Collection

Antirrhinum majus pumilum 'Magic Carpet' - Part of the Alan Titchmarsh Collection

Snapdragon
 
  • NEW in 2013
Antirrhinum 'Magic Carpet' - a summer ground cover to banish those weeds for good! A favourite when I was a child, I couldn’t get enough of the small ‘snapdragon’ blooms, opening and closing them like little puppets in my hand! Height and spread: 30cm (12"). More info
    • 1 packet (2400 seeds)

    • Despatch: Within 2 Days
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    • £1.69
Petunia Grandiflora Limoncello F1 Hybrid

Petunia grandiflora 'Limoncello' F1 Hybrid

The best ever yellow Petunia! Bushy, compact and free-flowering, with large wavy blooms in an attractive two tone creamy-yellow bicolour, resembling the delicious Italian liqueur. Adds a zest of lemon to borders or containers. Prefers a light, well drained soil in full sun. Height 20-25cm (8-10 inches). 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. More info
    • 1 packet (40 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49