Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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 127 products.
 

Antirrhinum 'Axiom Series Mixed' F1 Hybrid

Snapdragon

The highest quality Antirrhinum we have ever trialed. Long, tall flower spikes, with a strong, upright habit in a magnificent formula mixture of seven stunning colours. Ideal for adding height to borders or as a long lasting cut flower. Height: 90-110cm (36-42in) More info
    • 1 packet (30 seeds)

    • Despatch: Within 3 days
    •  
    • £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

Cosmos sulphureus 'Polidor'

 Customer Rating

A bright, striking mixture of orange, lemon and red shades. The semi-double flowers, of medium size, are borne on bushy plants of fresh, fern-like foliage. Earlier to bloom than many other Cosmos.

More info
    • 1 packet (200 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
    •  
    • £2.99

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
    •  
    • £1.99

Cosmos bipinnatus 'Double Click Rose Bonbon'

Following the amazing success of Double Click Mixed, this is the first straightcoloured, high-quality, fully-double Cosmos from seed to be introduced! The spectacular, rose pom-pom flowers sit proudly on top of strong stems, making Double Click Rose Bonbon a 'must' for adding height to summer borders and an imposing and rarely-seen cut flower. Height: 60-90cm (2-3 feet).
More info
    • 1 packet (40 seeds)

    • Despatch: Within 3 days
    •  
    • £2.99

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 seeds)

    • Despatch: Within 3 days
    •  
    • £3.69

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
    •  
    • £1.49

Antirrhinum majus 'Reminiscent Mixed' F1 Hybrid

Snapdragon

  • RHS Perfect for Pollinators
With a fresh citrus fragrance and unusual upward facing flowers, this superb snapdragon is hard to resist. The pastel blooms are carried on compact, bushy plants, attracting bees and other pollinating insects. Antirrhinum majus 'Reminiscent Mixed' has a particularly long flowering period making this an ideal choice for wildlife borders, beds and containers. Height: 30cm (12"). Spread: 25cm (10").
More info
    • 1 packet (50 seeds)

    • Despatch: Within 3 days
    •  
    • £2.49

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.

More info
    • 1 packet (15 seeds)

    • Despatch: Within 3 days
    •  
    • £2.89

Aster 'Duchess Mixed'

Callistephus chinensis, China Aster

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

    • Despatch: Within 3 days
    •  
    • £2.89