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 26 products.
 

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

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

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    • 1 packet (15 nasturtium seeds)

    • Despatch: Within 1 days
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    • £2.99

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

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

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

Cosmos bipinnatus 'Sonata Series Mixed'

An award winning variety in a superb mixture of colours. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24") making it perfectly proportioned for sunny borders and containers. The 8cm (3") wide, daisy-like blooms of Cosmos 'Sonata Series Mixed' float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for a colourful bouquet. Cosmos 'Sonata Series Mixed' is particularly useful for exposed positions. Height: Up to 60cm (24"). Spread: 45cm (18"). More info
    • 1 packet (30 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Cosmos bipinnatus 'Sonata Series White'

A Fleuroselect Award Winning variety with purest white blooms. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24") making it perfectly proportioned for sunny borders and containers. The 8cm (3") wide, daisy-like blooms of Cosmos 'Sonata Series White' float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for an elegant bouquet. Cosmos 'Sonata Series White' is particularly useful for exposed positions. Height: Up to 60cm (24"). Spread: 45cm (18").
More info
    • 1 packet (100 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

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

Cosmos bipinnatus 'Antiquity'

A completely unique colour in Cosmos. Flowers are rich burgundy on opening and change to an antique bronze-salmon when ageing creating an attractive, two-toned effect. Very early flowering and floriferous all summer. Excellent for borders or containers.
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    • 1 packet (30 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

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

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.
More info
    • 1 packet (50 cosmos seeds)

    • Despatch: Within 1 days
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    • £2.99

Zinnia marylandica 'Zahara Sunburst'

Another great Zinnia from the popular Zahara range! Zinnia marylandica 'Zahara Sunburst' boasts particularly large red and yellow bicolour blooms for a bedding variety - the first of this colour to be available from seed! These compact, dwarf annuals are free-flowering, and show excellent garden performance along with good disease resistance. The perfect low maintenance bedding plant for containers, beds, borders and wildlife gardens, where they will attract plenty of butterflies to their nectar rich flowers. Height and spread: 40cm (16"). More info
    • 1 packet (15 zinnia seeds)

    • Despatch: Within 1 days
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    • £2.99