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.



We have found 19 products.
 

Rudbeckia hirta 'Prairie Sun'

Coneflower, Black-eyed Susan

 Customer Rating

An impressive debut for beds and borders, this unique new plant was awarded a Fleuroselect Gold Medal. The unusual blooms with central green cones and bright orange petals radiating back to lemon yellow, make dazzling cut flowers.

More info
    • 1 packet (25 seeds)

    • Despatch: Within 1 days
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    • £3.49

Zinnia marylandica 'Zahara Mixed'

  • Performs well in wetter British summers
Possibly the best mixture of dwarf bedding zinnias available for an exceptional garden performance. Enjoying hot dry conditions, but also thriving in wet British weather, this vividly colourful mix will flower all summer long. With a strong root system to aid transplanting, and good disease tolerance, Zinnia 'Zahara Mixed' is ideal for borders or containers. Height and spread: 45cm (18").
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    • 1 packet (15 seeds)

    • Despatch: Within 1 days
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    • £3.29

Rudbeckia hirta 'Toto'

Coneflower, Black-eyed Susan

Dwarf, compact plants which have plenty of strong side shoots and many rich golden-yellow blooms, each with a deep chocolate central cone. Early to flower over a long period and looking great in all types of weather. An ideal candidate for containers, bedding or grown in groups in the border. Flowers summer. Height: 25cm (10in).
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    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £2.99

Ageratum houstonianum 'Blue Danube' F1 Hybrid

Floss Flower

A large-flowered, vigorous variety of annual ageratum with powder-puff flower heads of soft, lavender blue. The fluffy, weather resistant blooms are particularly attractive to butterflies. With a dense, compact habit, Ageratum houstonianum 'Blue Danube' is perfect for adding texture and colour to bedding, borders and containers. Height: 20cm (8Ó). Spread: 25cm (10Ó).
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    • 1 packet (100 seeds)

    • Despatch: Within 1 days
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    • £3.39

Zinnia marylandica 'Zahara Starlight Rose'

Truly spectacular 2010 AAS award-winning bedding plant! The pretty white flowers with an attractive pinky-rose centre are 6cm (2.5in) across when fully open. Bushy, dwarf plants flower freely and are so tolerant of such conditions as heat, humidity and drought that they were planted extensively in floral displays at the Beijing Olympics.

Non-stop-flowering Zinnia Zahara Starlight Rose follows on from the success of Zahara Yellow and will similarly attract beneficial insects, such as butterflies, to the garden. A real 'must' for borders this season!

More info
    • 1 packet (15 seeds)

    • Despatch: Within 1 days
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    • £3.29

Dahlia variabilis 'Dandy Improved Mixed'

Cheery dwarf Dahlias are perfect for brightening up beds, containers and the front of borders. Dahlia variabilis ‘Dandy Improved Mixed’ is the result of years of selection to bring together the best range of colours and flower forms. These compact bedding Dahlias produce long lasting blooms that attract pollinating insects and make lovely cut flowers. Height: 60cm (24"). Spread: 45cm (18"). More info
    • 1 packet (80 dahlia seeds)

    • Despatch: Within 1 days
    •  
    • £1.99

Heliotrope 'Dwarf Marine'

Heliotropium, Cherry Pie, Heliotropium peruvianum

Once you've experienced the sweet, pungent scent, coming from Heliotrope, or 'cherry pie' as it is commonly called, on a still summer evening you won't want to be without it. Few plants can fill the air with such a heady fragrance as this. Marine is a royal purple, large flowered yet compact form with attractive, dark green foliage and bushy habit. Excellent for beds, borders and as a summer flowering pot plant. Flowers summer. Height 45cm (18in). More info
    • 1 packet (150 seeds)

    • Despatch: Within 1 days
    •  
    • £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

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.

More info
    • 1 packet (50 seeds)

    • Despatch: Within 1 days
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    • £2.39

Rudbeckia hirta 'Green Eyes'

Coneflower, Rudbeckia 'Irish Eyes', Black-eyed Susan

Unique, with pointed yellow petals and olive green eye. Well branched, good for cutting.
More info
    • 1 packet (500 seeds)

    • Despatch: Within 1 days
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    • £0.99

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 seeds)

    • Despatch: Within 1 days
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    • £2.79

Zinnia elegans 'Molino Mixed'

Fabulous well branched plants produce a profusion of open daisy-like flowers in a wonderful mix of clear, vibrant colours. Zinnia elegans ‘Molino Mixed’ is compact and bushy making it perfect for filling beds or plugging gaps in borders. The nectar rich blooms will attract plenty of pollinating insects to your garden, and make eyecatching cut flowers too. A superb variety offering excellent value and outstanding garden performance. Height and spread: 40cm (16"). More info
    • 1 packet (100 zinnia seeds)

    • Despatch: Within 1 days
    •  
    • £1.49