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 324 products.
 

Salvia 'Sahara Red'

Salvia splendens, Scarleyt Sage

This truly is an outstanding bedding salvia. We thought we had it covered with existing plants in our range, but the vigour and garden performance of Salvia 'Sahara Red' has truly amazed us. Vibrant red flowers are contrasted by perfectly dark green foliage and go on to out-perform all other red salvias with the longest flowering period. You're in for a treat with this easy grow summer essential. Height: 35cm (14"). Spread: 30cm (12"). More info
    • 1 packet (40 salvia seeds)

    • Despatch: Within 1 days
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    • £1.99

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: Some parts of these flowers are edible. 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 (300 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

Senecio cineraria 'Silver Dust'

Senecio maritimus, Senecio candicans, Cineraria maritima

A half hardy perennial best treated as a half hardy annual, this is a showy bedding plant producing a 20-25cm (8-10in) mound of finely divided silvery white foliage. Use it as an edging to the border, as feature plants or in pots.
More info
    • 1 packet (400 senecio seeds)

    • Despatch: Within 1 days
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    • £1.99

Zinnia elegans 'Envy Double'

Chartreuse-green unique colour, and suitable for semi-shaded sheltered sites. More info
    • 1 packet (100 zinnia seeds)

    • Despatch: Within 1 days
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    • £1.49 £0.99

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

Zinnia 'Zinderella Collection'

Zinnia elegans

The Zinnia 'Zinderella' Collection contains 1 packet each of Lilac and Peach. Zinderella Zinnias are real eyecatchers! ' Lilac' produces attractive lilac-pink blooms with contrasting dark centres, whilst 'Peach' produces orange blooms with cream and rose detailing and a strong central crest. Add height and interest to the middle of your garden borders by planting both varieties to create an orderly tiered display of blooms right through summer. Height: 90cm (36"). Spread 30cm (12"). More info
    • 2 packets - 1 of each colour (36 seeds in total)

    • Despatch: Within 1 days
    • SAVE £2.99  
    • £6.98 £3.99