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 322 products.
 

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!

More info
    • 1 packet (100 zinnia seeds)

    • Despatch: By end of August 2015
    •  
    • £1.99

Antirrhinum pendula multiflora 'Chinese Lanterns' F1 Hybrid

Snapdragon

Trailing. A breeding triumph: cascading Antirrhinums! In a mixture of seven colours, including pure colours and bicolours, the "Snapdragon" flowers are borne on self branching, vigorous plants. Ideally made for hanging baskets, containers and window boxes. More info
    • 1 packet (20 antirrhinum seeds)

    • Despatch: By end of April 2016
    •  
    • £0.99

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 cosmos seeds)

    • Despatch: By end of October 2015
    •  
    • £2.99

Morning Glory 'Kniolas Black Night'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

An abundance of very attractive purple - black flowers with cerise throats, covering this very vigorous climber. Ideal planted in a sunny situation, up trellis or left to ramble amongst other climbers or shrubs. Climbs to 180-240cm (6-8ft). More info
    • 1 packet (30 morning glory seeds)

    • Despatch: By end of July 2015
    •  
    • £2.69

Antirrhinum nanum 'Frosted Flames'

Snapdragon

 Customer Rating
The rich carnival of colour produced by this stunning Antirrhinum is perfectly foiled by the unusual, frosted foliage, making the plants a real talking point. Exceptional performance for the summer border.
More info
    • 1 packet (60 antirrhinum seeds)

    • Despatch: By end of August 2015
    •  
    • £0.99

Cosmos bipinnatus 'Rubenza'

 Customer Rating
Wonderfully easy-to-grow plants which flower all summer until the first frosts. The dark, ruby-red blooms of Cosmos bippinatus Rubenza change to a lovely traditional rose red as they mature - their outstanding colour has earned them a Fleuroselect Novelty award. Cosmos bippinatus Rubenza shows excellent garden performance, especially planted in borders in drifts.
More info
    • 1 packet (60 cosmos seeds)

    • Despatch: By end of January 2016
    •  
    • £2.99

Petunia x hybrida 'Blueberry Lime Jam' F1 Hybrid

This designer petunia mixture brings together a stunning combination of lime green and midnight purple blooms. The spreading stems will quickly knit together to create superb ground cover. Grow Petunia 'Blueberry Lime Jam' in beds, borders and containers for a simply spectacular display that will flower throughout the summer until the first frosts. Height: 30cm (12"). Spread: 35cm (14"). More info
    • 1 packet (15 petunia seeds)

    • Despatch: By end of September 2015
    •  
    • £3.49 £0.99

Cosmos bipinnatus 'Sensation Mixed'

 Customer Rating

A tall, upright variety for the back of sunny borders. Cosmos 'Sensation Mixed' produces masses of daisy-like flowers above delicate ferny foliage throughout summer and autumn. The strong stems and long lasting flowers of this easy to grow annual make it perfect for cutting. This fabulous mix contains a superb range of colours including white, pink and carmine. Height: 120cm (47"). Spread: 60cm (24").

More info
    • 1 packet (200 cosmos seeds)

    • Despatch: By end of August 2015
    •  
    • £2.49

Begonia x tuberhybrida 'Scentsation Mixed' F1 Hybrid

The very first fragrant Begonia from seed! These vigorous plants produce wonderful, double to semi-double, pastel-coloured flowers and are stunning grown in individual pots or mixed containers. On damp mornings and sunny days, your garden will be filled with a delightful medley of fragrances from fresh lemon to a soft rose scent. This T&M New and Exclusive is sure to sell out, so place your order fast!

Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.

More info
    • 1 packet (50 begonia seeds)

    • Despatch: By end of September 2015
    •  
    • £0.99

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 rudbeckia seeds)

    • Despatch: By end of September 2015
    •  
    • £0.99

Morning Glory 'Milky Way'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

A glorious climber which is free flowering and self clinging. Spreading pure elegance wherever it should wander. Milky Way features the purest white blooms flanked by rich maroon striping. Vigorous and ideal for quick effect. Height: 120-180cm (4-6ft).

CAUTION : Seeds are very poisonous.

More info
    • 1 packet (25 morning glory seeds)

    • Despatch: By end of December 2015
    •  
    • £0.69

Ageratum houstonianum 'Timeless Mixed'

Floss Flower

A classic mix of Floss Flowers in gentle shade soft pink, white and blue. The weather resistant, powder puff blooms are supported on tall stems that make this half hardy annual just perfect for cutting. Ageratum houstonianum 'Timeless Mixed' is ideal for filling gaps in borders, adding height and texture to informal planting schemes. A lovely addition to cottage gardens and wildlife borders. Plant it with Bupleurum for a particularly eye catching combination. Height: 50cm (20"). Spread: 30cm (12"). More info
    • 1 packet (100 ageratum seeds)

    • Despatch:
    •  
    • £0.99
    • Out of stock