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 179 products.
 

Marigold 'Scarlet Sophie'

Tagetes patula, French Marigold

Spectacular camellia-like blooms - uniquely different, the rich russet red flowers trimmed with gold change to flame red as the flower ages. Early and smothered with blooms all season. Recommended for beds, borders, pots, window boxes etc. Flowers all summer. Height: 25-30cm (10-12in).

Culinary note: The citrus tasting flowers have many uses, try them in salads, sandwiches or seafood dishes too. For more details about edible flowers click here.

More info
    • 1 packet (100 marigold seeds)

    • Despatch: Within 1 days
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    • £2.99

Gazania splendens 'New Day Mix' F1 Hybrid

Treasure Flower

A sensational blend of vibrant Gazania, bringing together all forms of colours and stripes in one fabulous mix. The short stems support large, wide blooms that open quickly and remain open for longer. Gazania splendens 'New Day Mix' are ideal for adding long lasting colour to summer bedding schemes and patio containers. These versatile plants will even tolerate windy coastal positions. Height and spread: 25cm (10"). More info
    • 1 packet (20 gazania seeds)

    • Despatch: Within 1 days
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    • £3.49

Osteospermum 'Glistening White'

Dimorphotheca pluvialis, African Daisy, Rain Daisy, Dimorphotheca annua

From the South African countryside comes this classic, silky, pure white flowering plant. For the front of the border in full sun it certainly lives up to its name with the flowers a pure glistening white throughout the day, and closing up each evening. The flowers are borne in great profusion over the whole plant, magnificent for the border, pots, patios and all sunny places. More info
    • 1 packet (80 osteospermum seeds)

    • Despatch: Within 1 days
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    • £2.99

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 mesembryanthemum seeds)

    • Despatch: Within 1 days
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    • £1.99

Phlox drummondii 'Starry Eyes'

Annual Phlox

 Customer Rating
  • Taller than normal phlox
Free-flowering in a wonderful array of colours, this half-hardy annual is a must for annual borders and cottage gardens. Each brightly coloured bloom has a unique star pattern and emits a light fragrance. Easy to grow and weather tolerant, the bushy, compact habit of Phlox 'Starry Eyes' makes it ideal for planting in drifts at the edge of borders and in annual beds, performing equally well in containers. Slightly taller than normal annual phlox plants, Phlox 'Starry Eyes' is perfect for cutting for a fragrant arrangement indoors. Height: 45cm (18"). Spread: 30cm (12").
More info
    • 1 packet (200 phlox seeds)

    • Despatch: Within 1 days
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    • £2.19

Phlox drummondii 'Moody Blues'

Annual Phlox

Free flowering in a beautiful range of attractive blue shades, this easy to grow, half hardy annual is a cottage garden classic. Phlox drummondii 'Moody Blues' has a compact bushy habit that makes it ideal for planting in loose drifts at the edge of borders, and performs equally well in containers. Annual Phlox also makes a delightful cut flower so you can enjoy it in your home too! Height: 25cm (10"). Spread: 30cm (12"). More info
    • 1 packet (175 phlox seeds)

    • Despatch: Within 1 days
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    • £1.99

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
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    • £4.49

Antirrhinum majus 'Double Madame Butterfly Mixed' F1 Hybrid

Snapdragon

A flower in an entirely new form. Its large completely double, azalea-shaped blooms provide a riot of colour and its reliability and impressiveness are borne out by rare award of an All-America and All-Britain Selections Bronze Medal. Ideal for borders, bedding and superb cut flowers. Flowers summer. Height: 69-90cm (24-36in) More info
    • 1 packet (60 antirrhinum seeds)

    • Despatch: Within 1 days
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    • £3.99

Petunia grandiflora 'Cascade Pink Orchid Mist' F1 Hybrid

 Customer Rating
A charming duet of soft pink and orchid mist, form this exclusive trailing petunia blend. Large double and semi-double blooms on cascading stems produced throughout summer. Excellent in baskets and containers. 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 (25 petunia seeds)

    • Despatch: Within 1 days
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    • £3.69

Nasturtium 'Troika Collection'

Tropaeolum

Sow directly into hanging baskets, window boxes and pots. This stunning nasturtium has been specially bred for containers, rewarding you with a glorious tumbling habit. They're so easy to grow, and will romp away all summer long with spotted blooms and marbled foliage. Mix it with your other favourite basket plants or plant it as a strong single specimen display.

This collection comprises 1 packet each of:
Nasturtium 'Troika' Orange
Nasturtium 'Troika'
Cream Height 25cm (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
    • 2 packets - 1 of each variety (60 seeds in total)

    • Despatch: Within 1 days
    • SAVE *59p  
    • £4.58 £3.99

Nicotiana x sanderae 'Sensation Mixed'

Tobacco Plant

 Customer Rating

A showy and compact variety with sweetly scented flowers which stay open all day in a brilliant range of colours. Recommended. Flowers summer to autumn. Height 60-90cm (24-36in).

More info
    • 1 packet (2000 nicotiana seeds)

    • Despatch: Within 1 days
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    • £0.69

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).
More info
    • 1 packet (50 laurentia seeds)

    • Despatch: Within 1 days
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    • £2.49