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 53 products.
 

Dahlia variabilis 'Bishop's Children'

A fiery mix of such striking colour, yet with the innocent flower faces of Bishop's Children. Mid-height, and blends extremely well into borders. However, be warned that a colour eruption may occur! Spectacular in bedding and containers, and as a cut flower.Height: 60-75cm (24-30 inches). Planting distance 12-18 inches.
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.99

Zinnia elegans 'Purple Prince'

 Customer Rating

Outstanding in Thompson & Morgan trials, these robust plants show excellent garden performance, flowering over a long period and producing an abundance of fully double, deep pink-purple, dahlia-like flowers. This is a taller-than-usual variety of zinnia which will add colour and height to border displays as well as to cut flower arrangements. Zinnia Purple Prince will flower all summer until the first frosts, attracting bees and butterflies as well as the admiration of your neighbours!

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    • 1 packet (100 seeds)

    • Despatch: Within 3 days
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    • £1.99

Zinnia elegans 'Pop Art Golden & Red'

  • Fleuroselect Approved Novelty
This magnificent variety is a worthy winner of its Fleuroselect Novelty award. The large golden blooms, carried on tall stems, are flecked and splashed with intricate red markings, making each bloom completely unique. These long lasting zinnia flowers are particularly attractive to butterflies and make a superb cut flower too. Zinnia elegans 'Pop Art Golden & Red' is perfect for creating an eye catching splash of colour in beds and borders. Height: 60cm (24"). Spread: 30cm (12").
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    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

Dahlia variabilis 'Dwarf Mixed'

Vivid, large single and semi-double 8cm (3in) flowers. Neat, mound shaped bushes achieving a memorable main bedding display.
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    • 1 packet (75 seeds)

    • Despatch: Within 3 days
    •  
    • £2.69

Dahlia variabilis 'Pompone Mixed'

 Customer Rating

Almost 100% pompon. Height: 90-120cm (3-4ft).

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    • 1 packet (50 seeds)

    • Despatch: Within 3 days
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    • £2.99

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.

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    • 1 packet (25 seeds)

    • Despatch: Within 3 days
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    • £3.49

Dahlia variabilis 'Double Extreme'

Extremely attractive dwarf selection, producing a mass of high quality double and semi double flowers in an rich colour mixture, featuring some unique sunset shades. A stunning addition for beds, borders or containers, providing colour throughout the summer. Height: 45-60cm (18-24 inches). More info
    • 1 packet (25 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

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").
More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
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    • £3.29

Zinnia elegans 'Whirlygig Mixed'

Fill your beds and borders with these distinctly marked, brightly coloured, semi cactus-like blooms, each with contrasting petal tips. Zinnia elegans 'Whirlygig Mixed' is an outstanding garden performer, freely flowering throughout the summer. These vibrant zinnia flowers are ideal for attracting bees and butterflies to your garden and also make an attractive cut flower for a vase indoors. Height: 60cm (24”). Spread: 30cm (12”).
More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £1.99

Brachyscome iberidifolia 'Little Missy'

Swan River Daisy, Brachycome

Each pretty lilac blue, daisy-like bloom has a distinctive yellow central eye surrounded by a white halo. Brachyscome 'Little Missy' blooms over a long period, making it perfect for edging paths and borders or as an eye-catching container plant on a sunny patio. Height and spread: 25cm (10"). More info
    • 1 packet (200 seeds)

    • Despatch: Within 3 days
    •  
    • £2.19

Dahlia variabilis 'Redskin'

Very double, compact free-flowering with maroon to bronze-green foliage. A particularly good combination with marigolds. Height: 30-38cm (12-15in).
More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
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    • £0.99

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

Wonderful flowers - like incurved chrysanthemums. More info
    • 1 packet (250 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99