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 30 products.
 

Zinnia marylandica 'Double Zahara Strawberry'

Boasting an exceptionally long flowering period, we believe Zinnia 'Double Zahara Strawberry' to be the best double, dwarf Zinnia on the market. Large, fully double blooms in a vivid strawberry colour are produced in abundance on compact, low-growing plants. With good heat and drought tolerance and excellent disease resistance, these exciting annuals need little maintenance to put on a fabulous display. Height and spread: 45cm (18"). More info
    • 1 packet (12 zinnia seeds)

    • Despatch: Within 1 days
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    • £3.79

Cosmos bipinnatus 'Pied Piper Red'

The only separate colour available in the Sea Shells type, with fluted, shell-like petals of velvet crimson-red. The ferny foliage helps to make this a wonderful cut flower as well as a good back of border plant.
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    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
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    • £0.99

Salvia farinacea 'Fairy Queen'

Mealy Sage, Mealycup Sage

Unique breeding has brought us this very visually appealing Salvia. Bushy, compact plants bear multiple spikes of attractive blue and white bicoloured flowers on distinctive dark stems. Flowers all summer and continues through to October in borders or containers. Height: 35-45cm (14-18in).
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    • 1 packet (40 salvia seeds)

    • Despatch: Within 1 days
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    • £0.99

Nemesia strumosa 'KLM'

Cape Jewels

The top petals are rich blue in clear contrast to the lower petals' creamy whiteness. Lots of flowers, smaller than the large flowered strains, even in height 25cm (10in) and with universal appeal. Named after the Dutch airway KLM whose company colours are blue and white. An excellent companion to our red and white Nemesia Mello. Use it in beds, borders etc, to brighten up the garden or in tubs, planters, on the patio or even as a windowsill pot plant. Flowers summer. Height 25cm (10in.)

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    • 1 packet (400 nemesia seeds)

    • Despatch: Within 1 days
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    • £0.99

Rudbeckia hirta 'Cappuccino'

Coneflower, Black-eyed Susan

 Customer Rating

For a fabulous focal point in borders, plant this dazzling rudbeckia! Large 15cm (6in) diameter blooms in bright shades of rusty gold with contrasting darker centres will bloom all summer long. Vigorous, well-branched and heat tolerant plants will produce stunning semi-tall flowers which are perfect for cutting.

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    • 1 packet (50 rudbeckia seeds)

    • Despatch: Within 1 days
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    • £2.39

Morning Glory 'Split Personality'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

Dedicated breeding has helped create an exciting new flower shape, where many of the blooms are set as perfect stars due to gentle splits between the petals. These distinct flowers are magenta pink with a white centre. A splendid climber, ideal for trelliswork, fences, poles, etc.

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    • 1 packet (20 morning glory seeds)

    • Despatch: Within 1 days
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    • £0.69

Antirrhinum nanum 'Frosted Flames'

Snapdragon

 Customer Rating
The rich carnival of colour produced by this stunning Antirrhinum is perfectly foiled by the unusual, frosted foliage, making the plants a real talking point. Exceptional performance for the summer border.
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    • 1 packet (60 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £0.99

Laurentia 'Avant-Garde Blue' F1 Hybrid

Isotoma, Solenopsis axillaris

T&M's flower breeders have struck gold with the first ever F1 Hybrid Laurentia to be entered into the Fleuroselect trials. Both 'Avant-Garde Blue' and 'Pink' have the same uniform, vigorous plant habit and have earlier scented, star shaped blooms which are produced in abundance over a long flowering season. Your garden will be filled with colour all summer. Height: 25-30cm (10-12in).
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    • 1 packet (50 laurentia seeds)

    • Despatch: Within 1 days
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    • £2.49

Dahlia variabilis 'Sunny Reggae'

  • Colour combo like no other!
From reds through apricots and oranges, Dahlia 'Sunny Reggae' boasts a colour combination like no other! Exquisite semi-double flowers each have their own unique character, some with collars of small cream petals at their centre, others with blushed petals in contrasting colours. Free-flowering from July to October, these warm Dahlia flowers are highly attractive to bees and other pollinating insects. Bushy and compact, grow dwarf Dahlias in beds, borders or containers for a long and colourful summer display. Height: 50cm (20"). Spread: 40cm (16").
More info
    • 1 packet (40 dahlia seeds)

    • Despatch: Within 1 days
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    • £2.79

Cosmos bipinnatus 'Rubenza'

 Customer Rating
Wonderfully easy-to-grow plants which flower all summer until the first frosts. The dark, ruby-red blooms of Cosmos bippinatus Rubenza change to a lovely traditional rose red as they mature - their outstanding colour has earned them a Fleuroselect Novelty award. Cosmos bippinatus Rubenza shows excellent garden performance, especially planted in borders in drifts.
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    • 1 packet (60 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Cosmos bipinnatus 'Double Click Snow Puff'

The spectacular white, pom-pom flowers with a delicate hint of blushed pink of Cosmos Double Click Snow Puff sit on sturdy stems making this latest colour in the 'Double Click' series. Makes an excellent cut flower as well as adding height and interest to borders all summer.
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    • 1 packet (50 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Nasturtium 'Black Velvet'

Tropaeolum minus, 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: 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 (15 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.99