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. For direct sowing take a look at our stunning range of hardy annual seeds.



We have found 20 products.
 

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 petunia seeds)

    • Despatch: Within 1 days
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    • £3.99

Lobelia erinus 'Cascade Mixed'

 Customer Rating

These trailing lobelia plants produce fountains of bloom in burgundy, violet, lilac and Cambridge blue, as well as a few bicolours! Lobelia 'Cascade' Mixed makes a sparkling addition to containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Trails to: 25cm (10"). Spread: 15cm (6").

More info
    • 1 packet (1000 lobelia seeds)

    • Despatch: Within 1 days
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    • £2.69

Nasturtium majus 'Cream Troika'

Tropaeolum

Enjoy this marvellous trailing nasturtium in your containers and baskets this season. It's easy to grow and will produce masses of beautiful cream flowers, delicately highlighted with spotted centres. The marbled foliage of Nasturtium 'Cream Troika' will also add further interest as it tumbles in abundance from baskets, reaching up to 1m (39inches) in length! It can also be used as groundcover to weave in amongst your other plants and create further interest. Height: 20cm (10"). Spread 100cm (39").

Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.29

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 (12"). Spread: 45cm (18").

Culinary note: Add the bright coloured petals to sandwiches or salads for a light lemon taste and crisp texture. For more details about edible flowers click here.

More info
    • 1 packet (15 begonia seeds)

    • Despatch: Within 1 days
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    • £3.99

Begonia x tuberhybrida 'Show Angels Mixed' F1 Hybrid

These exquisite begonias are the premier basket and container plant. With pendulous habit and an abundance of large, mostly fully double flowers, the selection contains some delightful picotees. They flower early, are uniform with vigour, and have good mildew resistance. Well worth the money! Height: 20-25cm (8-10in).

Culinary note: Add the bright coloured petals to sandwiches or salads for a light lemon taste and crisp texture. For more details about edible flowers click here.

More info
    • 1 packet (40 begonia seeds)

    • Despatch: Within 1 days
    •  
    • £0.99

Nasturtium 'Firebird'

Tropaeolum majus, Indian Cress

  • Stunning in baskets or containers
This eye-catching trailing Nasturtium is superb for hanging baskets where it will create neat cascades of fiery blooms, above unusual variegated foliage. Try growing Nasturtium 'Firebird' in baskets, window boxes and containers and watch it ignite your patio all summer long! The edible flowers are also great added to salads for a peppery kick. Trails to: 40cm (16").

Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.99

Antirrhinum pendula multiflora 'Chinese Lanterns' F1 Hybrid

Snapdragon

Trailing. A breeding triumph: cascading Antirrhinums! In a mixture of seven colours, including pure colours and bicolours, the "Snapdragon" flowers are borne on self branching, vigorous plants. Ideally made for hanging baskets, containers and window boxes. More info
    • 1 packet (20 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £0.99

Lobelia erinus 'Blue Cascade'

 Customer Rating
Freely branching plants are covered in myriads of bloom to create clouds of true blue lobelia flowers with a small white eye. Unsurpassable among trailing lobelias, 'Blue Cascade' makes a sparkling addition to containers, flower Pouches® and window-boxes. An easy to grow annual that is deservedly popular for its versatility and long flowering period. Height: 15cm (6"). Spread: 25cm (10").
More info
    • 1 packet (1000 lobelia seeds)

    • Despatch: Within 1 days
    •  
    • £2.29

Lobelia pendula 'Monsoon'

  • 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 lobelia seeds)

    • Despatch: Within 1 days
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    • £2.19

Bacopa cordata 'Snowtopia White'

Sutera cordata

  • Spectacular trailing habit

The trailing, evergreen stems of this half-hardy basket filler bear a smothering of snow white flowers throughout summer. Let bacopa plants tumble from mixed patio containers and baskets for a brilliant display throughout summer. Height: 15cm (6"). Spread: 45cm (18").


Please note: This seed is sold as a multi-seeded pellet for easy sowing into modules or Jiffy 7's to aid easy planting.

More info
    • 1 packet (10 bacopa pellets)

    • Despatch: Within 1 days
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    • £3.89

Nasturtium majus 'Orange Troika'

Tropaeolum

  • Unique trailing nasturtium

A vigorous trailing nasturtium with a neat compact habit. and vibrant orange flowers. Nasturtium 'Orange Troika' produces its colourful blooms above decorative marbled foliage so they will always be in full view. A stunning cascading variety for baskets and containers or used as a spreading groundcover in beds and borders. Height: 30cm (12"). Spread: 100cm (39").


Culinary note: The peppery flavour of the leaves and colourful flowers will enrich salads and the unripened seeds can used like capers – delicious combined with cream cheese or butter in canapés. For more details about edible flowers click here.

More info
    • 1 packet (30 nasturtium seeds)

    • Despatch: Within 1 days
    •  
    • £2.29

Petunia grandiflora pendula 'Lady Purple' F1 Hybrid

This genuinely cascading Petunia is smothered in bright purple-pink flowers, each with a black throat. Plants are only 15cm (6in) high and can spread up to 90cm (3ft), making them ideal candidates for all types of container and baskets. Non-stop flowering, even during mild frosts, gales and heavy rain, plants will quickly revive. Because plants are seed raised, you can grow with confidence, assured that there is no risk of virus. Awarded a Fleuroselect Quality Mark. 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 (20 petunia seeds)

    • Despatch: Within 1 days
    •  
    • £4.49